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HP 8568B Installation And Verification Manual

Spectrum analyzer includes option 001, option 400, option 462, and option 857
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  • Page 1 Agilent Technologies. We have made no changes to this manual copy. The HP XXXX referred to in this document is now the Agilent XXXX. For example, model number HP8648A is now model number Agilent 8648A.
  • Page 2 Installation and Verification Manual HP 8568B Spectrum Analyzer Includes Option 001, Option 400, Option 462, and Option 857 HP Part No. 08568-90119 Printed in USA September 1993...
  • Page 3 Notice. The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
  • Page 4 Certification Hewlett-Packard Company certifies that this product met its published specifications at the time of shipment from the factory. Hewlett-Packard further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology, to the extent allowed by the Institute’s calibration facility, and to the calibration facilities of other International Standards Organization members.
  • Page 5 Assistance Product wmintenance agreements and other customer assistance agreements are available for Hewlett-Rzckard products. Pbr any assistance, contact pour nearest Hewlett-Fbckard Sales and Service Ome. Safety Notes The following safety notes are used throughout this manual. Familiarize yourself with each of the notes and its meaning before operating this instrument.

  • Page 6: General Safety Considerations

    General Safety Considerations Warning Before this instrunwnt is switched on, make sure it has been properly grounded through the protective conductor of the ac power cable to a socket outlet provided with protective earth contact. Any interruption of the protective (grounding) conductor, inside or outside the instrument, or disconnection of the protective earth terminal can result in personal injury.
  • Page 7 This indicates text displayed on the instrument’s Screen Text screen. HP 8568B Included with the HP Model 8568B spectrum analyzer are manuals: Documentation The Installation and Verification, the Operating and Programming Manual, and the Performance Tests and Adjustments Manual. Description...

  • Page 8: Table Of Contents

    - l Introducing the HP 8568B ....Safety ..... . .
  • Page 9 ..... . . 3-16 HP-IB Interface Functions ....3-16 Environmental .
  • Page 10 Humidity ..... . 3-16 ....3-16 Operation .
  • Page 11 Program Operation ....HP-IB Addresses ....
  • Page 12 Figures l-l. HP 8568B with Accessories Supplied ..... . 1-2. AC Power Cables Available ... .
  • Page 13 5 - 4 5-3. Equipment Summary ....5 - 9 5-4. HP-IB Addresses ... . Contents-6...

  • Page 14: General Information

    Refer to Chapter 5 for Operation Verification. Introducing the HP 8568B ......l-2 Safety .

  • Page 15: Introducing The Hp 8568B

    Various power cables are available to connect the HP 8568B to the types of AC power outlets unique to specific geographic areas. See Figure l-2.

  • Page 16: L-L. Hp 8568B With Accessories Supplied

    I F - D i s p l a y S e c t i o n R F S e c t i o n Figure l-l. HP 8568B with Accessories Supplied HP Part Number Description Type N (m) to BNC (f) connector 1250-0780...

  • Page 17: Ac Power Cables Available

    CABLE PLUG CABLE FOR USE PLUG TYPE * * Hy;A;T DESCRIPTION LENGTH COLOR I N C O U N T R Y NUMBER a.4 ( I N C H E S 250V S t r a i g h t * BS1363A 8 1 2 0 - 1 3 5 1 G r e a t Britoln, 2 2 9 ( 9 0 )

  • Page 18: Accessories Available

    Accessories Available A number of accessories are available from Hewlett-Packard to help you configure your HP 8568B for your specific needs. The HP 8447D preamplifier provides a Preamplifiers minimum of 26 dB gain from 100 kHz to 1.3 GHz to enhance measurements of very low-level signals.

  • Page 19: Options

    (19 inch) spacing. The heavy-duty slides are designed specifically to support the weight of the HP 8568B. Because of the weight of the HP 8568B, approximately 50 kg (112 lbs), the use of this option is recommended. Option 010 is also available as a kit (HP part number 5062-6407).

  • Page 20: Instruments Covered By This Manual

    3341A were compatable with MIL-STD 462A/B/C (impulse bandwidth). Option 857 The HP 8568B Option 857 is used in EMC receiver applications. This option provides the cumulative log fidelity and absolute amplitude performance necessary for EMC receivers to meet their system specs.
  • Page 21 The letter identifies the country in which the instrument was manufactured. The five-digit suffix is a sequential number and is different for each instrument. Whenever you list the serial number or refer to it in obtaining information about your instrument section, be sure to use the complete number, including the full prefix and the suffix.

  • Page 22: Calibration Cycle

    Calibration Cycle To ensure that the HP 8568B meets the specifications listed in Chapter 3, the operation verification listed in Chapter 5 should be performed every 6 months. HP-IB Address The instrument is shipped with the HP-IB address preset to 18 (ASCII Selection 2R).

  • Page 23: Electrostatic Discharge Information

    Electrostatic Electrostatic discharge (ESD) can damage or destroy electronic Discharge components. Therefore, observe the following precautions: Information Be sure that all instruments are properly earth-grounded to prevent buildup of static charge. Before connecting any coaxial cable to an instrument connector for the first time each day, momentarily short the center and outer conductors of the cable together.

  • Page 24: Static-Safe Accessories

    Static-Safe Accessories able l-l. Static-Safe Accessories HP Fart Description Number Order the following through any Hewlett-Packard Sales and Service Office 9300-0797 Set includes: 3M static control mat 0.6 m x 1.2 m (2 ft x 4 ft) and 4.6 cm (15 ft) ground wire. (The wrist-strap and wrist-strap cord are not included.

  • Page 25: Routine Maintenance

    The inside surface of the glass CRT shield is coated with a thin metallic film that can be easily damaged. To clean the glass CRT shield, use thin-film cleaner (HP part number 8500-2163) and a lint-free cloth. To clean the inside surface of the display glass, remove the glass CRT shield using the following procedure: 1.

  • Page 26: Cleaning The Rf Section's Fan Filter

    “Electrostatic Discharge Information” in this chapter. 2. Disconnect the ac line power from the instrument sections. Place the HP 8568B upside down on the work surface so that the bottom of the RF section is facing up. General Information l-13...
  • Page 27 3. Using a screw driver, remove the two bottom RF section rear panel bumpers. See callouts 1 in Figure l-6. T O P D O W N Figure 1-6. Removing the Bottom Cover 4. Back out screw 2 (Figure l-6) causing the cover to unseat from the front frame.

  • Page 28: Location Of Al5 Controller Assembly

    5. Remove the cover from the Al5 controller assembly. See Figure l-7. A l 5 C O N T R O L L E R A S S E M B L Y Figure l-7. Location of Al5 Controller Assembly General Information 1-15...
  • Page 29 B a t t e r y (A15BTl) Figure 1-8. Location of Battery on Al5 Controller Assembly 7. Replace the battery with a new one (HP part number 1420-0331). Be sure to install the battery with the polarity shown in Figure l-8.
  • Page 30 13. Set the LINE switch to STANDBY and then to ON. The HP 8568B should power up normally, without any flags displayed on the CRT. 14. Set the LINE switch to STANDBY and remove the power cable from the rear of the RF section.

  • Page 31: Ordering Information

    Within the USA, Hewlett-Packard can supply parts through a direct System mail order system. Advantages of using the system are as follows: w Direct ordering and shipment from the HP Support Materials Organization in Roseville, California. No maximum or minimum on any mail order. (There is a minimum...

  • Page 32: Returning The Instrument For Service

    Returning the The instrument may be shipped in environments within the following Instrument for limits: Service Temperature ......-40 “C to + 75 “C Humidity .

  • Page 33: Factory Packaging Materials For Each Section

    . Figure l-9. Factory Packaging Materials for Each Section ‘Ihble 1-2. F&tory Packaging Materials Item Description Qty HP Part Number Outer Box 921l-4487 2 I n n e r B o x 5180-2320...

  • Page 34: Other Packaging

    Other Packaging Caution Instrument damage can result from using packaging materials other than those specified. Never use styrene pellets as packaging materials. They do not adequately cushion the instrument or prevent it from shifting in the carton. They cause instrument damage by generating static electricity.

  • Page 35: Sales And Service Offices

    Sales and Service Hewlett-Packard Sales and Service Offices provide worldwide support Offices for Hewlett-Packard products. To obtain servicing information or to order replacement parts, contact the nearest Hewlett-Packard Sales and Service Office listed in Able l-3. In any correspondence, always provide essential information, which includes model numbers, serial numbers, or assembly part numbers.
  • Page 36 ‘Ihble 1-3. Hewlett-Packard Sales and Service Offices US FIELD OPERATIONS EUROPEAN OPERATIONS INTERCON OPERATIONS HEADQUARTERS HEADQUARTERS HEADQUARTERS Hewlett-Packard S.A. Hewlett-Packard Company Hewlett-Packard Company 3495 Deer Creek Rd. 19320 Pruneridge Avenue 150, Route du Nant-d’Avri1 Cupertino, CA 95014, USA 12 17 Meyrin 2/Geneva Palo Alto, California 94304-1316 (800) 752-0900 Switzerland...

  • Page 37: Installation

    From the Front Panel ......2-20 From the HP-IB Bus ......2-20 From the HP-IB Address Switch .
  • Page 38 Warning F’ailure to ground the instrument properly can result in personal injury. Before turning on the HP 8568B, you must connect its protective earth terminals to the protective conductor of the main power cable. Insert the main power cable plug only into a socket outlet that has a protective earth contact.

  • Page 39: Preparation For Use

    The instrument should be protected from temperature extremes which might cause condensation within the instrument. Power Requirements The HP 8568B requires a power source of 100, 120, 220, or 240 Vat + 5% -lo%, 50-60 Hz. Power consumption for the instrument sections combined is less than 650 VA.

  • Page 40: To Install Standard Instruments

    To Install Standard 1. Place the RF section right-side up on a level work surface. Instruments 2. Place the IF-Display section on top of the RF section, offset far enough forward to allow the RF section hooks to engage the IF-Display section frame when slid back.

  • Page 41: Voltage Selector Board And Fuse

    L i n e V o l t a g e S e t t i n g C a r d F u s e Figure 2-2. Voltage Selector Board and Fuse 8. On each power-line module, check the voltage selector card for the proper ac line voltage.
  • Page 42 11. Connect the ac line power cords. 12. If the HP 8568B will be remotely controlled, refer to “To Set the HP-IB Address” in this chapter. 13. When you turn your instrument on for the first time, you should perform the verification tests in Chapter 5.

  • Page 43: Removing The Handles And Trim

    To Install Option Option 908 contain the necessary hardware to mount the HP 8568B 908 and 913 without handles in a rack of 482.6 mm (19 in) spacing. Option 913 mounts the HP 8568B with handles. Instruments 1. Remove the front-handle trim from each side of the RF and IF-Display sections.

  • Page 44: Removing The Information-Card Tray

    3. The information-card tray located on the bottom of the RF-Display section requires a space of approximately 2 cm below the instrument when rack mounting. See callout 1 in Figure 2-4. (No filler strip is provided.) If you wish to remove the information-card tray, remove the feet and tilt stands.

  • Page 45: Attach The Rack Mount Flanges

    4. On each instrument section, attach the rack mount flange (and front handles for Option 913) using the three M4x0.7~16 pan-head screws provided in the kit. See Figure 2-5. R A C K M O U N T Figure 2-5. Attach the Rack Mount Flanges 5.

  • Page 46: Voltage Selector Board And Fuse

    6. On each instrument section, slide open the power module’s fuse door (located on the rear panel). See Figure 2-6. Push the fuse-pull lever to the left. Remove the fuse. Note Although Figure 2-6 shows the two instrument sections connected together, they will be mounted separately in the rack.

  • Page 47: Rear-Panel Cable Connections

    SLOW amperes SLOW HP part number 2 110-0007 HP part number 2 110-0007 9. Insert the correct fuse, and push the fuse-pull lever into its normal right-hand position. 10. Bolt each instrument section into the rack from its rack mount flange.
  • Page 48 13. Connect the ac line power cords. 14. If the HP 8568B will be remotely controlled, refer to “To Set the HP-IB Address” in this chapter. 15. When you turn your instrument on for the first time, you should perform the verification tests in Chapter 5. Refer to the HP8568B...

  • Page 49: Removing The Handles And Trim

    To Install Option Option 010 mounts the HP 8568B on slides in a rack of 482.6 mm 010 Instruments (19 in) spacing. (Option 010 also contains adapters for mounting in non-HP racks.) 1. Remove the strap handle on the IF-Display section’s left side panel.

  • Page 50: Removing The Information-Card Tray

    5. The information-card tray located on the bottom of the RF-Display section requires a space of approximately 2 cm below the instrument when rack mounting. See callout 1 in Figure 2-9. (No filler strip is provided.) If you wish to remove the information-card tray, remove the feet and tilt stands.

  • Page 51: Attaching The Rack Handles And Flanges

    “./p ,..’ Figure 2-10. Attaching the Rack Handles and Flanges 10. Connect cable W31 between IF-Display section 52 and RF section J6. See Figure 2-l 1. 11. Connect cable W30 between IF-Display section Jl and RF section w 3 7 Figure 2-l 1.

  • Page 52: Voltage Selector Board And Fuse

    12. Determine the ac line voltage to be used. 13. On each instrument section, slide open the power module’s fuse door (located on the rear panel). See Figure 2-12. Push the fuse-pull lever to the left. Remove the fuse. C a r d Fuse L i n e V o l t a g e S e t t i n g Figure 2-12.

  • Page 53: Attaching The Inner-Member Brackets

    IF-Display Section RF Section 100/120 2 amperes FAST BLO 2 amperes FAST BLO HP part number 2110-0002 HP part number 2110-0002 220/240 1 ampere SLOW BLO 1 amperes SLOW BLO HP part number 2110-0007 HP part number 2110-0007 16. Insert the correct fuse, and push the fuse-pull lever into its normal right-hand position.

  • Page 54: Slide Adapter For Non-Hp System Rack Cabinets

    Using hole pattern “B,” see Figure 2-14, attach one adapter bracket to the front of each outer slide mount, using two M4x0.8~12 flat-head screws and nuts per bracket. Figure 2-14. Slide Adapter for Non-HP System Rack Cabinets 2-18 Installation...
  • Page 55 Retighten the adapter brackets. 20. Connect the ac line power cords. 21. If the HP 8568B will be remotely controlled, refer to “‘Ib Set the HP-IB Address” in this chapter. 22. When you turn your instrument on for the first time, you should perform the verification tests in Chapter 5.

  • Page 56: To Set The Hp-Ib Address

    HP-IB address and stores the new address value in RAM memory. From the HP-IB Bus To enter a new address via the HP-IB bus, refer to the KSP command in the HP 8568B Operating and Programming Manual. From the HP-IB...

  • Page 57: Removing The Bottom Cover

    1. Disconnect the ac line cord from the RF section. 2. Using a screw driver, remove the two RF-section rear panel bumpers. See callout 1 in Figure 2-15. T O P D O W N Figure 2-15. Removing the Bottom Cover 3.

  • Page 58: Location Of Al5 Controller Assembly

    11111 (decimal 31). This is a special code which commands the instrument to use the last input address (stored in memory) either from the front panel or from HP-IB. You can reset the switch to correspond to the binary equivalent of any desired decimal value indicated in Iable 2-l.

  • Page 59: Address Switch (Shown In Factory Preset Position)

    Note Observe that although 2’ is the far-right digit in Table 2-1, 2’ is represented by the far-left segment of the address switch. = L o g i c 1 = L o g i c 0 Figure 2-17. Address Switch (Shown in Factory Preset Position) Installation 2-23...

  • Page 60: Address Switch Set To

    = L o g i c 1 = L o g i c 0 ( A l w a y s s e t at l o g i c 1 ) A2, A l H P - I B A D D R E S S Figure 2-18.
  • Page 61 ‘Ihble 2-l. Decimal and Binary Address Codes Decimal Value S-Bit Binary Equivalen 00000 00001 00010 00011 00100 00101 00110 00111 01000 01001 01010 01011 01100 01101 01110 01111 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110...

  • Page 62: Specifications Introduction

    Specifications Introduction Unless noted, all specifications are for AUTOCOUPLED FUNCTION operation. Where specifications are subject to minimization with the error-correction routine, corrected limits are given unless noted. Nominal values provide useful, but nonwarranted, information about functional performance. Frequency Measurement Range 100 Hz to 1500 MHz through two RF inputs: 100 Hz to 1500 MHz dc coupled, and 100 kHz to 1500 MHz ac coupled.

  • Page 63: Readout Accuracy

    Readout Accuracy Span 2100 Hz *(2% of frequency span + frequency reference error x tune frequency + 10 Hz) in AUTO resolution bandwidth after adjusting FREQ ZERO at stabilized temperature, and using the error-correction function, (KSW). Add 30% of the resolution [SHIFT] [ FREQUENCY SPAN bandwidth setting if error correction is not used.

  • Page 64: Frequency Count

    Frequency Count Displays the frequency of the signal on whose response the marker is positioned. The marker must be positioned at least 20 dB above the noise or the intersection of the signal with an adjacent signal, and more than four divisions up from the bottom of the display. Counter resolution is normally a function of frequency span, but may be specified directly using ISHIFT_] (YJ Frequency Count Accuracy...

  • Page 65: Resolution Bandwidth (Option 462 6 Db Bandwidths)

    Resolution Bandwidth (Option 462 6 dB Bandwidths) 6 dB bandwidths of 10 Hz to 3 MHz in 1, 3, 10 sequence. Bandwidth may be selected manually or coupled to frequency span (AUTO mode). 6 dB Bandwidth Accuracy* Bandwidths Accuracy 3 MHz f20% 30 Hz to 1 MHz flO%...

  • Page 66: Stability

    Stability Residual FM <3 Hz peak-to-peak in 110 seconds, span ~100 kHz, resolution bandwidth 530 Hz, video bandwidth 530 Hz. Spectral Purity Noise Sidebands Sideband Level (1 Hz BW) Offset from Carrier -90 dBc/Hz 300 Hz - 100 dBc/Hz 3 kHz - 107 dBc/Hz 30 kHz Power-Line-Related Sidebands...

  • Page 67: Amplitude

    Amplitude Measurement Range Measurement range is the total amplitude range over which the analyzer can measure signal responses. The low value is determined by sensitivity (10 Hz resolution bandwidth and 0 dB input attenuation), and the high value by damage level. Amplitude Measurement Range - 135 dBm to + 30 dBm Displayed Values...

  • Page 68: Reference Lines Accuracy

    Reference Lines Equals the sum of reference level accuracy plus the scale fidelity Accuracy between the reference level and the reference line level. Dynamic Range Spurious Responses For total signal power of c-40 dBm at the input mixer of the analyzer, all image and out-of-band mixing responses, harmonic and intermodulation distortion products are >75 dB below the total signal power for input signals 10 MHz to 1500 MHz, >70 dB below the total...

  • Page 69: Gain Compression

    Residual Responses * Frequency Range Residual Responses 500 Hz to 1500 MHz c-105 dBm *With 0 dB input attenuation and no input signal. Gain Compression ~0.5 dB for signal levels s-10 dBm at the input mixer. Average Noise Level (Sensitivity) Displayed Average Noise * Tuning Range...

  • Page 72: Amplitude Uncertainty

    ‘lhble Footnotes l Requires executing the error-correction function ([GiK] after stabilization at new ambient temperature. IFREQUENCY SPAN Otherwise, typical amplitude drift may be ho.05 dB/‘C (at -10 dBm reference level, 10 dB input attenuation and 1 MHz resolution bandwidth.) ’ COUPLED FUNCTION not required as long as MEAS UNCAL message is not displayed.

  • Page 73: Marker

    Marker The marker is a bright dot placed upon the display trace and is positioned horizontally by the DATA controls. The marker amplitude and frequency are displayed continuously. Frequency Accuracy Accuracy Marker Normal Same as center frequency accuracy + frequency span accuracy between marker and center frequency.

  • Page 74: Inputs

    Inputs INPUT #l Zonnector BNC female, front panel, fused 100 Hz to 1500 MHz, dc coupled ?requency Xange Maximum Input Continuous power: +30 dBm from 50 D source. Mixer protected by diode limiter. Pulse power: 5100 W, 10 ps pulse width with 250 input attenuation (50 dBm peak power to input mixer).

  • Page 75: Outputs

    >+4 dBm +27 dBm (l/2 W) total power into 50 Q Maximum Safe Reverse Level Options All specifications are identical to the standard HP 8568B, except as noted below. 75 B Input Impedance, INPUT #1 Option 001 BNC female, front panel, not...

  • Page 76: 400 Hz Power Line Frequency Operation, Option

    400 Hz Power Line Power Line Related Sidebands Frequency Operation, Option 400 >75 dB below peak of a CW signal. Residual Responses * Frequency Range Residual Response 500 Hz to 52.5 kHz c-95 dBm >2.5 kHz to 1500 MHz <-lo5 dBi7 *With 0 dB input attenuation and no input signal.

  • Page 77: General

    General HP-IB Interface SHl, AHl, T6, L4, SRI, RLl, PPO, DCl, DTl, Cl, C2, C3, C28, E2 Functions Environmental Temperature Operation: 0 “C to 55 “C Storage: -40 “C to 75 “C Note Increased internal temperatures may result if the rear-panel air filters are not cleaned regularly.
  • Page 78 Radiation emitted by this instrument is less than 0.5 mR/hr at a distance of five (5) centimeters from the surface of the cathode-ray tube. The x-ray radiation primarily depends on the characteristics of the cathode-ray tube and its associated low-voltage and high-voltage circuitry.

  • Page 79: Warm-Up Time

    Warm-Up Time F’requency Reference From a cold start (no line power connected to HP 8568B), the following conditions apply: ~72 hours to meet aging rate specification after <24-hour off period. ~30 days to meet aging rate specification after indefinite off period.

  • Page 80: Dimensions

    Dimensions ( A l l o w 1 0 0 mm, 4 i n c h ( A l l o w 1 0 0 mm, 4 i n c h c l e a r a n c e a t r e a r p a n e l c l e a r a n c e a t r e a r p a n e l f o r i n t e r c o n n e c t c a b l e s .

  • Page 81: Characteristics

    Characteristics Note Supplemental characteristics are intended to provide information useful in applying the instrument by giving typical, nonwarranted, performance parameters. Frequency Resolution 73 20 ; 4 c w 5C 1 6 C 100 MHz 1 MHz 1 0 MHz 1 kHz 1 0 kHr 1 0 0 kHz 10 Hz...

  • Page 82: Stability

    Stability Drift Because the analyzer frequency is corrected on retrace, drift occurs only during the period of one sweep. This drift is in addition to frequency reference error due to aging. Drift (per Minute of Sweep Frequency Span Time) * <lO Hz 5100 kHz <lOO Hz...

  • Page 83: Amplitude

    Amplitude Average Noise Level M a x i m u m I n p u t L e v e l +30 dBm ( 1 w a t t ) - 5 0 - 6 0 - 8 0 + - 9 0 F-loo - 1 1 0 - 1 2 0...

  • Page 84: Residual Responses

    Residual Responses Residual responses are signals generated by the analyzer independent of input signals. Residual Responses * Frequency Range Residual Responses 100 Hz to 500 Hz c-105 dBm* * 500 Hz to 1500 MHz c-105 dBm * With 0 dB input attenuation and no input signal. * * Except for line-related residuals and LO feedthrough skirt (in the 100 Hz to 110 Hz range), typically c-100 dBm.

  • Page 85: Inputs

    Inputs RF INPUTS SWR* Tune Frequency 100 Hz to 500 MHz to 500 MHz 1500 MHz Input #l <1.5:1 <2.0: 1 Input #2 <1.5:1 <1.5:1 *>lO dB input attenuation Isolation Typically >85 dB isolation between inputs. Emission Typically c-75 dBm (0 dB input attenuation) VIDEO INP Connector BNC female, rear panel...

  • Page 86: Freq Reference (In)

    Rise Time ~75 ns <75 ns <30 ns Recorder Outputs Outputs to drive all current HP X-Y recorders using positive pencoils or TTL penlift input. keys calibrate the recorder SWEEP LOWER LEFT UPPER RIGHT and VIDEO outputs with 0,O and 10,l V respectively, for adjusting X-Y recorders.

  • Page 87: Video

    VIDEO Detected video output (before A-D conversion) proportional to vertical deflection of the CRT trace. Connector BNC female, rear panel Amplitude 100 mV/div from 0 to 1 V Impedance 5475 62 nominal PENLIFT I Connector BNC female, rear panel 0 V from 10 Q source + 15 V from 10 kfl source 2 1.4 MHz IF OUTPUT Connector BNC female, rear panel...

  • Page 88: If Out

    -11 dBm nominal with 10 dB input PROBE POWER (front panel) Voltage + 15 Vdc, -12.6 Vdc 150 mA maximum. each Current Probe Compatibility HP 1121A (use only with with Input #2) HP 1120A HP 85024A HP 10855A Preamnlifier General Acoustic Noise Emission/ This instrument is in conformance with the “German Regulation...

  • Page 89: Function Descriptions

    Function Descriptions Sweep Characteristics Free Run Sweep triggered by internal source. Line Sweep triggered by power line frequency. Video Sweep triggered by detected waveform of input signal at adjustable level; signal must be 20.5 div peak-to-peak. For sweeps of 10 ms and less (zero span) the signal must have >40 Hz rate.

  • Page 90: Cathode Ray Tube

    A/B traces may be output; CRT labels and graphics may be input. LCL: Returns analyzer to local control, if not locked out by controller. Service Request: (SHIFT] OLIN) (KSr) calls an HP-IB request for service. 4-10 Characteristics...

  • Page 91: Operation Verification

    Program Operation ........HP-IBAddresses ........
  • Page 92 Resolution Bandwidths must not be performed and the following manual tests must be performed: 6 dB Resolution Bandwidth Accuracy Test 6 dB Resolution Bandwidth Selectivity Test The manual tests are located in the HP 8568B rt?rfommnce Zests and Adjustments Manual. 5-2 Operation Verification...
  • Page 93 18. Cal Output Amplitude Accuracy HP 436A, Option 022 HP 8482A ‘ Alternate sources are: HP 83620A, HP 83623A, HP 83650A, HP 8340A/B, and 8341A/B. i Option 462 6 dB Bandwidth instruments must be manually tested. See note. Operation Verification 5-3...

  • Page 94: Tests Not Performed

    Miscellaneous Cables and Adapters * HP 98624A HP-IB Interface is needed for dual-bus systems. 300 K of free memory is required for the test program. tAlternate sources are: HP 83620A, HP 83623A, HP 8340A/B, and HP 8341A/B. 5-4 Operation Verification...

  • Page 95: Test System Configuration

    BASIC 6.2 or higher. The program operates on either a single or dual HP-IB computer system. For a dual bus system it is also necessary to have an HP 98624A HP-IB Interface to connect the HP 8568AB to the computer separately from the test equipment.

  • Page 96: L. Dual Bus (Mts) System Connection

    B U S t o M T S S y s t e m S e l e c t C o d e B U S t o U n i t U n d e r T e s t (HP8568B) S e l e c t C o d e Figure 5-l.

  • Page 97: Program Loading

    GRAPH HPIB ERR (not required but recommended) w BASIC 6.2 or higher must be installed in the HP 362 or HP 382. For additional computer configuration instructions, refer to the Installation Reference manual included with the HP BASIC language system.
  • Page 98 CRT. Next, the program checks to verify that each piece of test equipment responds at its designated HP-IB address. The user is prompted with a list of test equipment that does and does not respond, and is offered...

  • Page 99: Hp-Ibaddresses

    ‘Ihble 5-4 lists the default assigned addresses and test equipment. For dual bus systems the select code for the test equipment is 7 and the select code for the instrument under test is 8. (The address for the HP 8568A/B under test is 818.) In single bus systems, the select code for the test equipment is 7, and the select code for the instrument under test is 7.

  • Page 100: Error Messages

    Error Messages Self-explanatory error messages are incorporated into the Operation Verification program to assist you in identifying errors. ‘I&t Descriptions The following test descriptions list the Specifications, Related Performance Test, and Test Description for each test performed by the Operation Verification program. The specifications listed below are those of each Operation Verification test and are uncorrected (where applicable).

  • Page 101: Input Attenuator Switching Uncertainty

    1. Input Attenuator Switching Uncertainty 1. Input Attenuator Switching Uncertainty Specification f 1 .O dB over 10 to 70 dB range Related Performance Input Attenuator Switching Uncertainty Test Test Description A signal source of known amplitude is connected to the spectrum analyzer and the analyzer is adjusted for a reference.

  • Page 102: If Gain Uncertainty

    2. IF Gain Uncertainty Specification 0.0 dBm to -55.9 dBm ......f0.6 dB -56.0 dBm to -129.9 dBm ..... . hl.0 dB Related Performance IF Gain Uncertainty Test Test...

  • Page 103: Scale Fidelity (Log)

    3. Scale Fidelity (Log) 3. Scale Fidelity (Log) Specification 5 *l.O dB max. over 0 to 80 dB display < f 1.5 dB max. over 0 to 90 dB display Related Performance Amplitude Fidelity Test Test Description The specification listed is for cumulative error. Only cumulative error is measured in this procedure.

  • Page 104: Scale Fidelity (Linear)

    4. Scale Fidelity (Linear) Specification 413% of Reference Level Related Performance Amplitude Fidelity Test Test Description A signal source of known amplitude is connected to the spectrum analyzer and the analyzer is adjusted for a reference. The signal source is stepped down from -10 dB to -30 dB in 10 dB steps and the amplitude of the displayed signal measured using the marker function.

  • Page 105: Log Scale Switching Uncertainty

    5. Log Scale Switching Uncertainty 5. Log Scale Switching Uncertainty Specification 310.5 dB Related Performance Log Switching Uncertainty Test Test Description A signal source of known amplitude is connected to the spectrum analyzer and the analyzer is adjusted for a reference in the 1 dB per division log scale.

  • Page 106: Resolution Bandwidths

    6. Resolution Bandwidths Specification Bandwidth 10 Hz to 3 MHz; *20% kHz to 1 MHz; flO% Amplitude (Referenced to 1 MHz amplitude) MHz; fl.O dB 1 MHz to 100 Hz; f0.5 dB Hz; AO.8 dB 10 Hz; f2.0 dB Selectivity (60 dB/3 dB Ratio) MHz to 100 kHz;...

  • Page 107: Impulse And Resolution Bandwidths

    7. Impulse and Resolution Bandwidths (Opt. 462 Impulse Bandwidth) 7. Impulse and Resolution Bandwidths (Opt. 462 Impulse Bandwidth) Specification 3 MHz; &20% Bandwidth 1 MHz to 1 kHz; &20% 300 Hz to 10 Hz; +50%, -0% Amplitude 3 MHz; fl.O dB 1 MHz to 100 Hz;...

  • Page 108: Line Related Sidebands

    8. Line Related Sidebands Specification 85 dB below the peak of a CW signal (Option 400: ~75 dB) Related Performance Line Related Sidebands Test Test Description A signal source is connected to the spectrum analyzer input and the necessary front-panel control settings made for the test. The harmonics of the line frequency are calculated, the front-panel controls to view the frequencies, and measure the amplitude of the signal at each of the frequencies.

  • Page 109: Residual Fm

    9. Residual FM 9. Residual FM Specification Less than 3 Hz peak-to-peak for sweep time 510 s; span ~100 kHz; resolution bandwidth 530 Hz, video bandwidth 530 Hz. Related Performance Residual FM Test Test Description A signal source is connected to the spectrum analyzer input and the required front panel control settings are made as stated in the specification.

  • Page 110: Rf Gain Uncertainty

    10. RF Gain Uncertainty Specification RF gain uncertainty due to second LO shift: fl.O dB (uncorrected) Related Performance RF Gain Uncertainty Test Test Description A signal is connected to the spectrum analyzer’s SIGNAL INPUT and the analyzer front panel controls set to view the signal. The 2nd LO is shifted up.

  • Page 111: Sweep Time Accuracy

    11. Sweep Time Accuracy 11. Sweep Time Accuracy Specification Sweep time 1100 s ....... 4110% f20% Sweep time >lOO s .

  • Page 112: Average Noise Level

    12. Average Noise Level Specification Displayed: < - 135 dBm for frequencies > 1 MHz, <- 112 dBm for frequencies 11 MHz but >500 Hz with 10 Hz resolution bandwidth, 0 dB input attenuation, 1 Hz video filter. Related Performance Average Noise Level Test Test Description...

  • Page 113: Residual Responses

    HP-IB and digital storage clocks. Operation Verification 5-23...

  • Page 114: Frequency Span Accuracy

    14. Frequency Span Accuracy Specification For spans >l MHz; f(2% of the actual frequency separation, + 0.5% of span setting) For span 51 MHz; f(5% of the actual frequency separation, + 0.5% of span setting) Related Performance Frequency Span Accuracy Test Test Description A stable signal source is connected to the spectrum analyzer and the...

  • Page 115: Frequency Response

    15. Frequency Response 15. Frequency Response Specification INPUT #l f 1 .O dB, 100 Hz to 500 MHz (2 10 dB RF Attenuation) ~tl.5 dB, 100 Hz to 1500 MHz (210 dB RF Attenuation) INPUT #2 fl.O dB, 100 kHz to 1500 MHz (210 dB RF Attenuation) Related Performance Frequency Response Test Test...

  • Page 116: Second Harmonic Distortion

    16. Second Harmonic Distortion Specification For mixer level s-30 dBm: 100 Hz to 10 MHz ......<-60 dBc >lO MHz .

  • Page 117: Third Order Intermodulation Distortion

    17. Third Order Intermodulation Distortion 17. Third Order Intermodulation Distortion Specification Intercept is greater than +5.0 dBm from 100 kHz to 10 MHz and greater than + 10 dBm from 10 MHz to 1500 MHz. Related Performance Harmonic and Intermodulation Distortion Test Test Description Two signals with 10 kHz and 1 MHz separation are applied to the first...

  • Page 118: Calibrator Output Amplitude Accuracy

    18. Calibrator Output Amplitude Accuracy Specification -10 dBm, 310.2 dB Related Performance Calibrator Output Amplitude Accuracy Test Test Description The power sensor is connected to the spectrum analyzer CAL OUTPUT and the power is measured. 5.28 Operation Verification...

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