AR 500S1G2z5A Operating And Service Manual
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AR 500S1G2z5A Operating And Service Manual

Rf broadband amplifier
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Operating and
Service Manual
500S1G2z5A
Model
10046961
Part Number
Serial Number
160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 866-859-0582 • www.arworld.us

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  • Page 1 Operating and Service Manual 500S1G2z5A Model 10046961 Part Number Serial Number 160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 866-859-0582 • www.arworld.us...
  • Page 3 REGULATION (EC) 1907/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 18 December 2006 concerning the Registration, Evaluation, Authorization and Restriction of Substances of Very High Concern Chemicals (SVHC) Supporting documentation is held by AR RF/Microwave Instrumentation’s Quality department in Pennsylvania, United States. Place of issue:...
  • Page 5 Instructions for European EMC Conformity WARNING It is the responsibility of the user of this equipment to provide electromagnetic shielding, filtering and isolation which is necessary for EMC compliance to Directive 2014/30/EU. The equipment must therefore be operated in a shielded area which provides a sufficient level of attenuation to meet the radiated emissions and immunity specifications.
  • Page 7 The caution symbol denotes a potential hazard. Attention must be given to the statement to prevent Your AR equipment may have more than one power supply cable. Use damage, destruction, or harm. only approved power cable(s). If you have not been provided with a Dangerous voltages are present.
  • Page 8 EQUIPMENT CONTAINING LASERS risk of serious injury due to unsafe AR Field Probes (FL/PL Series) and Field Analyzers (FA product handling should be a fundamental Series) are Class 1 laser products containing embedded consideration every user.
  • Page 9 Zur Vermeidung von Personen- oder Sachschäden gilt BEVOR SIE DAS GERÄT ANSCHLIESSEN es, die Hinweise zu beachten. Ihre AR-Ausrüstung hat möglicherweise mehr als ein Stromversorgungskabel. Gefährliche elektrische Spannungen sind vorhanden. Verwenden Sie nur zugelassene Stromkabel. Falls Sie kein Stromkabel oder Höchste Vorsicht ist geboten.
  • Page 10 Die meisten Geräte müssen während des Versands, der Montage und des Gebrauchs LASER-INFORMATION transportiert werden. Jeder Nutzer sollte sich AR - Feldsonden (FL/PL-Serie) und Feldanalysatoren (FA-Serie) über das Risiko von schweren Verletzungen sind Laserprodukte der Klasse 1 mit eingebetteten Klasse-4- durch unsachgemäße...
  • Page 11 électrode de mise à la Votre équipement AR peut disposer de plus d’un câble d’alimentation terre de protection. électrique. Utilisez uniquement un ou des câbles d’alimentation approuves.
  • Page 12 éliminer le risque injustifié de blessures causées par le levage est fournie par les méthodes de travail de NIOSH (publication Les sondes de champ AR (série FL/PL) et les analyseurs de n° 94-110) disponibles sur : champ (série FA) sont des produits laser de classe 1 contenant des lasers intégrés de classe 4.
  • Page 13 Er zijn gevaarlijke elektrische spanningen aanwezig. Wees uiterst voorzichtig. VOOR HET OPZETTEN VAN DE STROOM Uw AR-apparatuur kan meer dan een netvoedingskabel bezitten. Gebruik alleen goedgekeurde netvoedingskabel(s). Koopt een Wijst op een terminal aan die bedoeld is voor aansluiting netvoedingskabel die is goedgekeurd voor gebruik in uw land als u...
  • Page 14 APPARAAT DAT LASERS BEVAT distributie, de assemblage en het gebruik moeten worden behandeld, moet het risico AR-terreinsondes (FL/PL-serie) en terreinanalysatoren (FA- op ernstig letsel als gevolg van een serie) zijn laserproducten van klasse 1 met ingesloten onveilige behandeling van het product een klasse 4-lasers.

  • Page 15: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS ....................i GENERAL INFORMATION ................1 General Description ....................1 Specifications ......................1 Power Supplies ....................... 1 Protection Circuits ....................2 Installation ......................2 1.5.1 Location ........................2 1.5.2 Power ........................2 OPERATING INSTRUCTIONS ................ 9 General ........................
  • Page 16 Low or No Power Output (DC Tests) (Schematic 10046924) ......37 4.3.8 Low or No Power Output (RF Test) (Schematic 10044523) ....... 38 FIGURES Model 500S1G2z5A Front Panel ................. 10 Model 500S1G2z5A Rear Panel ................11 Menu Map ......................13 Typical Response at -20dBm Input and 0dBm Input ........... 38 Typical Response: Input A4-Front Panel RF Output ...........

  • Page 17: General Information

    (EMI) susceptibility testing, as well as usage as a driver for frequency multipliers and high-power amplifiers. The Model 500S1G2z5A can be operated locally by using the unit’s front panel controls, or remotely by using the unit’s IEEE-488, RS-232 interface, USB, or Ethernet interface.

  • Page 18: Protection Circuits

    Select an operating location that will permit air to circulate freely around the amplifier’s cabinet. The Model 500S1G2z5A utilizes air cooling and should be located where the normal flow of air into or exiting from the unit will not be restricted, diverted, or re-circulated through the unit itself; in particular, the flow of warm air exiting the rear of the amplifier should not be impeded.
  • Page 19 Specifications Features 500S1G2z5A The Model 500S1G2z5A is a solid-state, self- of the amplifier. The DCP uses a color LCD contained, air-cooled, broadband amplifier touch screen display to indicate the operate  500 watts CW designed for applications where instantaneous status and fault conditions if an over- ...
  • Page 20 CENELEC EN 61010-1 RoHS DIRECTIVE 2011/65/EU PRIMARY POWER: 100-240 VAC, 50/60Hz, 2250 watts maximum EXPORT CLASSIFICATION: EAR99   CONNECTORS: RF Input: N female RF Output: 7/16 female Ordering Options Contact your AR RF/Microwave Instrumentation Sales Associate for specific model configuration pricing.
  • Page 21 Page 3 Graphs 500S1G2z5A  500 watts CW  1.0GHz–2.5GHz...
  • Page 22 Page 4 Graphs 500S1G2z5A  500 watts CW  1.0GHz–2.5GHz...
  • Page 23 Page 5 Envelope Drawing 500S1G2z5A  500 watts CW  1.0GHz–2.5GHz To order AR Products, call 215.723.8181. For an applications engineer call:800.933.8181. Direct to Service call: 215.723.0275 or email: service@arworld.us For Faxing Orders:866.859.0582 (Orders Only Please) info@arworld.us Approved for public release by AR RF/Microwave Instrumentation...

  • Page 25: Operating Instructions

    RF stages, when the chassis temperature reaches approximately 70°C. Normal operation can be resumed after the chassis temperature drops below 70° C. CONTROL AND INDICATOR FUNCTIONS The Model 500S1G2z5A’s front panel is shown in Figure 2-1; the unit’s rear panel features are detailed in Figure 2-2. 2.2.1...

  • Page 26: Power Switch

    Model 500S1G2z5A 2.2.2 POWER Switch The momentary POWER switch turns the main power to the amplifier on and off. The status of the green light-emitting diode (LED) in the switch indicates whether the amplifier’s power is on or off. The main power supply fans are active when power is on.

  • Page 27: Main Power

    Model 500S1G2z5A 2.2.3 Main Power The Main Power circuit breaker is located on the rear panel of the amplifier. Figure 2-2. Rear Panel Features 2.2.4 RF ON/OFF The RF ON/OFF touch screen button toggles the amplifier from a Standby to an Operate mode. The status of the function is indicated on the display as RF ON or RF OFF.

  • Page 28: Digital Control Panel (Dcp) Operations

    Model 500S1G2z5A DIGITAL CONTROL PANEL (DCP) OPERATIONS The operations described in this section assume that the user is performing these operations from the amplifier’s front panel with the Keylock Switch in the LOCAL position. Remote control using a personal computer is available when the Keylock Switch is set to REMOTE. Refer to Section 2.5.5 for information on remote operation.

  • Page 29: Menu Map

    Model 500S1G2z5A Figure 2-3. Touch Panel Display Menu Map Values shown on screens are for illustration only. Rev A...

  • Page 30: Rf Gain Control

    Model 500S1G2z5A 2.3.1 RF GAIN Control The RF GAIN control is used to adjust the input attenuator of the preamplifier-leveler module. This control simply adjusts the output power level for a fixed input power level. To adjust the RF Gain, press the Select button from the Main Menu and then press the RF Gain button in the subsequent menu.

  • Page 31: Safety Interlock Connector

    Model 500S1G2z5A 2.4.4 Safety Interlock Connector The safety interlock connector interface provides for external safety switch interlocks that will prevent the amplifier from entering or being placed in the Operate mode unless an external connection is made. A connection between Pins 1 and 8 must be completed to operate the amplifier.

  • Page 32: Rs-232 Communication

    Model 500S1G2z5A 2.6.1.1 Setting the IEEE-488 (GPIB) Address The IEEE-488 device address can be set to any number between 1 and 30. This selection is made by navigating to the GPIB address selection screen. To get there from the Main Menu, touch the User menu button followed by the I/O menu button and finally the GPIB menu button.

  • Page 33: Fiber-Optic Communication

    This port can be used in conjunction with either an AR model IF7000 RS-232 to Fiber-Optic Interface (1200 to 9600 baud only) or an AR model IF7001 USB to Fiber-Optic Interface (19200 baud only). Note that these devices use SMA connectors so a fiber-optic cable is needed with ST connectors on one end and SMA connectors on the other.

  • Page 34: Usb Communication

    Lantronix Ethernet devices. This list of found devices will include any connected AR Ethernet devices. By selecting one of the connected devices from the list, its IP address and subnet mask can be changed along with a number of other settings.

  • Page 35: Remote Commands

    Model 500S1G2z5A 2.6.6 Remote Commands If a command or query is unrecognized it is echoed back out the port it came in on. • • All commands and queries are terminated with a Line Feed character. A Line Feed character is indicated by <LF> in subsequent command and query definitions.
  • Page 36 Model 500S1G2z5A 2.6.6.1 Power On/Off This command controls the power on/off state of the amplifier. Syntax: POWER:x Parameters: State(x): OFF = power off ON = power on Response Format: None (No query for this command) Example: To turn the power on, send the following command: POWER:ON<LF>...
  • Page 37 Model 500S1G2z5A 2.6.6.4 Mode Select This command sets the ALC mode of the amplifier. Syntax: MODE:x Parameters: Mode(x): MANUAL = Set to Manual mode PULSE = Set to Pulse mode* ALC<space>INT = Set to ALC Internal mode ALC<space>EXT = Set to ALC External mode*...
  • Page 38 Model 500S1G2z5A Example: To set the RF Gain to minimum, send the following command: LEVEL:GAIN0<LF> To set the RF Gain to 50%, send the following command: LEVEL:GAIN50<LF> To set the ALC Response Time to max, send the following command: LEVEL:RESP7<LF>...
  • Page 39 Model 500S1G2z5A 2.6.6.8 Machine State This query reads the RF gain, detector gain, ALC threshold, and ALC response time of the amplifier. Syntax: MSB? Parameters: None Query only (always requires a ? character) Response Format: RF<space>GAIN=x, DT<space>GAIN=x, THRES=x, RESP=y<LF> Value(x):...
  • Page 40 Model 500S1G2z5A 2.6.6.9 State Query to find the state of the amplifier. Syntax: STATE? Parameters: None Response Format: STATE=<space>xyza<LF> Where: x, y, z, and a are each an ASCII character representing a hexadecimal character. They can be 0 to 9 or A to F.
  • Page 41 Model 500S1G2z5A Example: To read the state, send the following query. STATE?<LF> Response: STATE=<space>8301<LF> (Remote Mode, Power On, RF OFF, and Manual Mode) 2.6.6.10 Forward Power Query to get the forward power. Syntax: FPOW? Parameters: None Response Format: FPOW=x<LF> Where: x = 0 to 99999 Values are corrected and linearized.
  • Page 42 Model 500S1G2z5A 2.6.6.12 RF Gain Query to get the RF gain. Syntax: RFG? Parameters: None Response Format: RFG=<space>x<LF> Where: x = 0000 to 0100 Example: To find out the RF gain of the amplifier, send the following query: RFG?<LF> RFG=<space>0075<LF>...
  • Page 43 Model 500S1G2z5A 2.6.6.14 Operating Hours (RF On) Query to get the RF On operating hours. Syntax: Parameters: None Response Format: OH=x<LF> Where: x = 0 to 100000 Units are Hours. Values can be up to six digits in length. Leading zeros are read as spaces.
  • Page 44 Model 500S1G2z5A 2.6.6.16 AC Power-On Defaults Default settings that are applied at AC mains power-on can be changed by adding the following prefix to select commands. Syntax: DEFAULT: Compatible commands: Level Adjust LEVEL:GAIN LEVEL:DET (Not available on all models) LEVEL:THR...

  • Page 45: Theory Of Operation

    3. THEORY OF OPERATION INTRODUCTION The Model 500S1G2z5A RF amplifier consists of a 1.0–2.5 GHz RF amplifier assembly. The RF amplifier assembly consists of a Pre-Amplifier (Pre-Amp), two Driver Quad Amplifiers (Driver Amp), a two-way splitter, two four-way splitters, (8) S1G2z5 Final Quad Amplifiers, an 8-way combiner and a Directional Coupler.

  • Page 46: A4 Two-Way Splitter

    Model 500S1G2z5A The bias board provides the gate and drain voltages for RF FETs Q1 and Q2. The gate voltages are generated by a control loop consisting of current monitors U1, U6 and op amps U2, U7. The output voltage of U2 or U7...

  • Page 47: Power Supplies (Ps1, Ps2, Ps3 )

    Model 500S1G2z5A POWER SUPPLIES (PS1, PS2, PS3 ) PS1 is a multiple output supply. PS1 has a +5 volt, standby supply for the A12 Control/Fault board and the A14 Interface board used for the remote interfaces. The -15V is supplied to the A1 Pre-Amp and the A9 Regulator Assembly.
  • Page 48 Model 500S1G2z5A Rev A...

  • Page 49: Maintenance

    4. MAINTENANCE GENERAL MAINTENANCE INFORMATION The Model 500S1G2z5A requires very little maintenance since it is a relatively simple instrument. It is built with etched circuit wiring and solid-state devices that will ensure long, trouble free life. However, should trouble occur special care must be taken in servicing to avoid damage to the devices or the etched circuit board.

  • Page 50: Troubleshooting

    GaN HEMTs and other ESD-sensitive devices. Troubleshooting the Model 500S1G2z5A in a logical manner can speed the solution to a problem. The settings of potentiometers (pots), capacitors (caps), or other variables should not be disturbed until other problems have been eliminated.

  • Page 51: General - Reading Faults

    The digital control panel of the 500S1G2z5A indicates the output power from the 500 S1G2z5A and the power reflected back to it. If the reflected power is very high, with respect to the forward power, this could indicate that the output coax cable is defective or that the load being driven has a high VSWR.

  • Page 52: Interlock Fault (Schematic 10046924)

    RF energy when these doors are opened. NOTE: The Model 500S1G2z5A is shipped with a mating connector, which has a jumper between Pins 1 and 8, installed in the rear panel interlock connector. The unit will not operate unless the interlock circuit is closed.

  • Page 53: Low Or No Power Output (Dc Tests) (Schematic 10046924)

    4.3.7 Low or No Power Output (DC Tests) (Schematic 10046924) All indicators on the Model 500S1G2z5A are normal, the front panel display reads RF On, and the cooling fans are operating. 1. Check the position of the RF Gain control—is it set to maximum gain? 2.

  • Page 54: Low Or No Power Output (Rf Test) (Schematic 10044523)

    1. The Model 500S1G2z5A’s typical gain response at 0 dBm input and -20 dBm input is shown in Figures 4-1 and 4-2. The actual gain may vary considerably from that shown in Figure 4-1 but should be ≥ 61.0 dBm.

  • Page 55: Typical Response: Input A4-Front Panel Rf Output

    Model 500S1G2z5A 2. Remove the coaxial cable from the output of the A3 Driver Amplifier to the input of the A4 Two-Way Splitter. The typical response from the input of the Two-Way Splitter RF OUTPUT connector on the unit’s front panel is shown in Figure 4-2.

  • Page 56: Typical Two-Way Splitter Insertion Loss

    Model 500S1G2z5A 5. A typical Two-Way Splitter Insertion Loss is shown in Figure 4-4. The unused ports must be terminated when checking the insertion loss. Figure 4-4. Typical Four-Way Splitter Insertion Loss 6. A typical 8-Way Combiner Combined Port Return Loss is shown in Figures 4-5. The unused ports must be terminated when checking the Insertion Loss.

  • Page 57: Typical A2, A3 Driver Module Response

    Model 500S1G2z5A 7. The typical response for the A2 and A3 Driver Module Amplifiers is shown in Figure 4-6. Figure 4-6. Typical A2, A3 Driver Module Response NOTE: The A1 Pre-Amplifier’s response may differ considerably—particularly in flatness—from the typical responses shown in the Figure 4-7.
  • Page 58 Model 500S1G2z5A Rev A...
  • Page 59 These modules are not field-repairable and should never be opened outside of AR’s Microelectronics Lab. The modules in these product lines have a security label on two sides of the modules between the housing and lid/cover. If the security label is removed and or cut, the warranty of the module will be voided.

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