Related Manuals for HP 3320B
Summarization of Contents
OPERATING AND SERVICE MANUAL
CERTIFICATION
Certifies that the instrument was thoroughly tested and inspected to meet published specifications.
WARRANTY AND ASSISTANCE
Details the warranty against defects in materials and workmanship, and available service contracts.
SECTION I GENERAL INFORMATION
I-1. INTRODUCTION.
General information about the Model 3320A/B Frequency Synthesizer, including specifications and identification.
I-3. SPECIFICATIONS.
Lists the critical specifications governed by tolerances for the Model 3320A/B.
I-6. DESCRIPTION.
Explains the Hewlett-Packard Model 3320A/B Frequency Synthesizer's capabilities and features.
I-9. OPTIONS.
Lists the nine available options that increase the flexibility of the 3320A/B instruments.
001: 75 ohm output
Provides a high stability reference oscillator for increased frequency accuracy and stability.
002: Reference Crystal Oven
Offers a high stability reference oscillator for improved frequency accuracy and stability.
003, 004: Parallel BCD Remote Control
Enables remote programming using an 8-4-2-1 BCD code for controlling functions.
006: 100 Hz and 10 Hz Ranges
Adds two lower frequency ranges for greater resolution in low-frequency output.
007: GPIB Remote Control
Utilizes a seven-line data bus for remote control of all instrument functions.
I-12. ACCESSORIES SUPPLIED.
Lists accessories that are included with the 3320A/B instrument.
I-14. ACCESSORIES AVAILABLE.
Lists accessories that can be purchased for the 3320A/B.
I-16. INSTRUMENT AND MANUAL IDENTIFICATION.
Information on identifying the instrument and the manual, including serial number prefixes and part numbers.
SECTION II INSTALLATION
2-1. INTRODUCTION.
Provides information and instructions for the installation and shipping of the Model 3320A/B Frequency Synthesizer.
2-3. INITIAL INSPECTION.
Outlines procedures for inspecting the instrument for physical damage and electrical order upon receipt.
2-5. POWER REQUIREMENTS.
Details the power requirements for operating the instrument and how to set the voltage switch.
2-7. GROUNDING REQUIREMENTS.
Explains the importance of grounding the instrument for personnel safety.
2-10. ENVIRONMENTAL REQUIREMENTS.
Specifies the operating and storage temperature ranges for the Model 3320A/B.
2-12. REPACKAGING FOR SHIPMENT.
Provides general guidance for repackaging the instrument for shipment.
2-18. INTERFACING.
Information and instructions for interfacing the instrument with external systems.
2-19. Remote BCD Options.
Details the requirements for digital remote control options using BCD code.
2-22. Remote GPIB Option.
Explains the use of the GPIB remote control option for managing information flow.
SECTION III OPERATING INSTRUCTIONS
3-1. INTRODUCTION.
Provides necessary information for the operation of the Model 3320A/B Frequency Synthesizer.
3-3. CONTROLS, INDICATORS AND CONNECTORS.
Briefly describes each control, indicator, and connector, referencing descriptive paragraphs.
3-5. FRONT PANEL OPERATION.
Contains information for setting frequency, amplitude, and leveling, including remote programming.
3-7. Frequency.
Details how frequency is determined by range, vernier, and frequency controls.
3-9. Amplitude.
Explains how the output amplitude is adjusted on the 3320A and 3320B models.
3-12. Leveling.
Describes the function of the LEVELING control for optimizing frequency response.
3-14. REMOTE BCD PROGRAMMING.
Explains how the 3320A Option 003 and 3320B Option 004 can be remotely programmed using BCD code.
3-16. Remote Enable.
Describes the REN signal input that controls the remote/local mode of operation.
3-18. 3320B Amplitude.
Details the 16 signal inputs that control the amplitude digits and sign.
3-20. Frequency.
Explains the signal inputs that control the frequency digits and overrange.
3-22. Vernier.
Describes the signal input and controls for vernier in/out and vernier frequency.
3-24. Range.
Explains the signal inputs that control the range switch position.
3-26. Leveling.
Details how the LEVELING signal input controls the leveling mode of operation.
3-28. Delay and Response.
Discusses signal inputs that control the delay and response time of the 3320A/B.
3-31. The delay sequence...
Explains how the delay sequence is started and controlled by external inputs.
3-34. Remote GPIB Programming.
Explains how the 3320B Option 007 permits remote operation via the GPIB bus system.
3-58. REFERENCE CRYSTAL OVEN.
Describes the Option 002 standard instrument with an oven-controlled reference crystal oscillator.
SECTION IV THEORY OF OPERATION
4-1. INTRODUCTION.
Explains the theory of operation for the 3320A/B, including general and functional block descriptions.
4-3. GENERAL DESCRIPTION.
Provides a general description of the Model 3320A/B Frequency Synthesizer's features and capabilities.
4-5. Options available...
Lists options that increase the flexibility of the 3320A/B.
4-6. SIMPLIFIED BLOCK DIAGRAM.
Presents a simplified block diagram illustrating the instrument's basic sections.
4-8. The 3320A/B can be divided into four basic sections...
Divides the 3320A/B into four main sections: controller, frequency, amplitude, and reference.
4-9. Controller Section.
Explains the controller section's role in processing information for frequency and amplitude control.
4-11. Frequency Section.
Details how the 3320A/B signal is developed in the frequency section using a VTO and range dividers.
4-13. Amplitude Section.
Explains how the amplitude section is applied to the frequency section and translated down in frequency.
4-15. Reference Section.
Describes the two frequency references used in the 3320A/B: the 20 MHz Reference Oscillator and the Vernier Oscillator.
4-17. FUNCTIONAL BLOCK DESCRIPTION.
Provides a functional block description broken into four parts: frequency, amplitude, controller, and reference sections.
4-19. Controller Section.
Provides a functional block description of the various controller sections used in the 3320A/B synthesizers.
4-41. Frequency Section.
Explains the frequency section's composition, including BCD controlled VTO and range dividers.
4-43. The output frequency...
Discusses the output frequency variability based on vernier control position.
4-44. VTO, Phase-Lock Circuitry.
Details the VTO's phase-locking mechanism using a BCD signal and a 10 kHz reference.
4-46. Range Dividers.
Explains how the output signal is applied to range dividers depending on the range control position.
4-49. Amplitude Section.
Describes the 3320A amplitude setting and its application to a modulator.
4-51. 3320B Amplitude.
Details the 3320B amplitude range and control by programmable digits and attenuator.
4-53. The Leveling circuitry...
Explains the leveling circuitry, which consists of a thermopile and comparator.
4-56. Reference Section.
Describes the reference section, consisting of two voltage controlled crystal oscillators.
4-58. REFERENCE CRYSTAL OVEN.
Describes the Option 002 standard instrument with an oven-controlled reference crystal oscillator.
4-60. Vernier Oscillator.
Explains the vernier oscillator's function in varying the output frequency digits.
4-62. UNIQUE CIRCUITS.
Discusses unique circuits within the instrument, such as the thermopile circuitry.
4-63. 3320B Thermopile Circuitry.
Details the thermopile circuitry used in the 3320B's leveling control.
4-66. AC/DC Converter.
Explains the AC/DC converter's function in monitoring output signals and protecting components.
SECTION V MAINTENANCE
5-1. INTRODUCTION.
Provides information necessary for the maintenance of the Model 3320A/B Frequency Synthesizer.
5-3. TEST EQUIPMENT.
Lists the test equipment required for the maintenance of the 3320A/B.
5-5. PERFORMANCE TESTS.
Outlines performance tests to compare the 3320A/B's specifications with those listed in Table 1-1.
5-7. Frequency Accuracy, Vernier Out.
Details the performance test for frequency accuracy when the vernier control is in the out position.
5-9. Frequency Accuracy, Vernier In.
Describes the performance test for frequency accuracy when the vernier control is in the in position.
5-11. Harmonic Distortion.
Details the test procedure to ensure the instrument meets harmonic distortion specifications.
5-13. Spurious.
Outlines the performance test for spurious signals, ensuring they are within specified limits.
5-15. Signal to Phase Noise.
Details the performance test for signal to phase noise, ensuring it meets specifications.
5-17. Amplitude Accuracy, Absolute.
Describes the performance test for absolute amplitude accuracy as listed in Table 1-1.
5-19. Frequency Response, 0.01 Hz - 10 Hz.
Details the performance test for frequency response from 0.01 Hz to 10 Hz.
5-21. 3320B Frequency Response, 10 Hz - 13 MHz.
Outlines the performance test for frequency response from 10 Hz to 13 MHz.
5-23. 3320B Attenuator Accuracy, 10 kHz.
Describes the performance test for attenuator accuracy at 10 kHz.
5-25. 3320B Attenuator Frequency Response.
Details the performance test for the output attenuator frequency response.
5-27. ADJUSTMENT PROCEDURES.
Provides a complete procedure for adjusting the instrument if it fails performance tests.
5-29. Power Supply.
Details the procedure for setting the +15 Vdc supply and checking other DC supplies.
5-31. Reference Oscillator.
Describes the adjustment procedure for the 20 MHz Reference Oscillator and Phase Lock circuitry.
5-33. VTO Linearity.
Outlines the adjustment procedure to set the VTO for linear output over the frequency range.
5-35. Vernier.
Details the adjustment procedure for setting the Vernier Oscillator for a 10 kHz swing.
5-37. Amplitude Reference.
Describes the adjustment procedure for setting the DC reference level from the D/A Converter.
5-39. Carrier Balance.
Details the adjustment procedure for the mixer's output of minimum carrier feed through and maximum common mode rejection.
5-41. Amplitude.
Outlines the adjustment procedure for the amplitude section and proper output voltage.
5-43. Harmonics, 3320B.
Describes the procedure to set the harmonic level of the 3320B output signal to a minimum.
5-45. Leveling, 3320B.
Details the adjustment procedure to set the 3320B output signal for equal AC levels when switching leveling modes.
5-47. Transient Response, 3320B.
Describes the adjustment procedure for the 3320B Leveling loop transient response.
5-49. GENERAL MAINTENANCE INFORMATION.
Provides information on front panel removal, disassembly, and positioning cam information.
5-51. Front Panel Removal.
Details the procedure for removing the front panel of the 3320A/B.
5-55. Front Panel Assembly.
Provides information for assembling the 3320A/B front panel.
5-57. Impedance Cam Settings.
Explains the procedures for proper positioning of the impedance cams.
SECTION VI REPLACEABLE PARTS
6-1. INTRODUCTION.
Contains information for ordering replacement parts, including reference designators and part numbers.
6-3. Miscellaneous parts...
Lists miscellaneous parts at the end of Table 6-1.
6-4. ORDERING INFORMATION.
Provides instructions on how to obtain replacement parts by addressing orders to local Hewlett-Packard offices.
6-6. NON-LISTED PARTS.
Outlines the information required to obtain a part that is not listed in the manual.
SECTION VII CIRCUIT DIAGRAMS
7-1. INTRODUCTION.
Provides troubleshooting information and circuit diagrams for the 3320A/B Automatic Synthesizer.
7-3. TROUBLESHOOTING.
Information designed to eliminate needless unrelated checks when locating instrument malfunctions.
7-5. SCHEMATIC DIAGRAMS.
Shows detailed circuits of the 3320A/B, including critical components and their values.
7-7. The schematic diagrams...
Details the schematic diagrams, showing critical components and their values, and all available options.
7-9. Panel Interface A20; 3320A Standard, Options 001, 002, 006.
Shows the panel interface for the 3320A Standard model with specific options.
7-10. Panel Interface A21; 3320B Standard, Options 001, 002, 006.
Illustrates the panel interface for the 3320B Standard model with specific options.
7-11. BCD Frequency Control P/O A23, 3320A Option 003, 3320B Option 004.
Details the BCD frequency control P/O A23 for 3320A Option 003 and 3320B Option 004.
7-13. BCD Amplitude Control A24B, 3320B Option 004; Invertor A24A, 3320A Option 003.
Explains the BCD amplitude control for 3320B Option 004 and the invertor for 3320A Option 003.
7-17. GPIB Latches A25, 3320B Option 007.
Shows the GPIB latches for the 3320B Option 007.
7-19. N Counter A2.
Details the N Counter A2 circuit, including its components and connections.
7-20. Amplitude Reference A11, 3320B.
Shows the Amplitude Reference A11 circuit for the 3320B.
7-21. Range Divider A4, 3320A/B; Range Divider A5, 3320A/B Standard; Range Divider A6, 3320A/B Option 006.
Illustrates the Range Divider circuits for different models and options.
7-23. Mixer Preamp A10.
Shows the schematic for the Mixer Preamp A10 circuit.
7-24. Power Amplifier A12A, 3320A.
Provides the schematic for the Power Amplifier A12A in the 3320A.
7-25. Power Amplifier A14, Attenuator A15; 3320B.
Shows the schematic for Power Amplifier A14 and Attenuator A15 in the 3320B.
7-26. Modulator A9A, 3320A.
Provides the schematic for the Modulator A9A in the 3320A.
7-28. Detector A12B, 3320B.
Shows the schematic for the Detector A12B in the 3320B.
7-29. Amplitude Reference A11, 3320B.
Details the Amplitude Reference A11 circuit for the 3320B.
7-30. 20 MHz Reference Oscillator A8, Reference Phase Lock P/O A7.
Shows the schematic for the 20 MHz Reference Oscillator A8 and Phase Lock P/O A7.
7-31. Vernier Reference Oscillator A1, Reference Phase Lock P/O A7.
Provides the schematic for the Vernier Reference Oscillator A1 and Phase Lock P/O A7.
7-32. Power Supplies; A16A, A17A, 3320A; A16B, A17B, 3320B.
Shows the schematic for the power supplies for both 3320A and 3320B models.
7-33. Wiring Diagram.
Illustrates the overall wiring diagram of the instrument.
SECTION VIII BACKDATING
8-1. INTRODUCTION.
Contains information for ordering replacement parts, including reference designators and part numbers.
8-3. INSTRUMENT SERIAL NUMBER SEQUENCE.
Explains the instrument serial number sequence and how changes are keyed.
8-5. CHANGE 1, FOR SERIAL NUMBERS 1121A-00110 AND BELOW (3320A), 1122A-00120 AND BELOW (3320B).
Details component changes for earlier serial numbers of the 3320A and 3320B models.
8-7. CHANGE 2, 3320B.
Lists changes specific to the 3320B model, including component modifications and circuitry updates.
8-9. CHANGE 3, 3320B.
Describes changes designed to improve the 3320B's harmonic distortion and incorporate circuitry.
8-11. CHANGE 4, FOR SERIAL NUMBERS 1138A-00135 AND BELOW (3320A), 1139A-00200 AND BELOW (3320B).
Specifies component changes for specific serial number ranges of the 3320A and 3320B.
8-13. CHANGE 5, FOR SERIAL NUMBERS 1138A-00135 AND BELOW (3320A), 1139A-00250 AND BELOW (3320B).
Details component changes for specific serial number ranges of the 3320A and 3320B.
8-16. In Table 6-1 and Figure 7-28...
Provides information on component changes for specific serial number ranges of the 3320B.
8-17. CHANGE 7, FOR SERIAL NUMBERS 1138A-00185 AND BELOW (3320A), 1139A-00540 AND BELOW (3320B).
Specifies component changes for specific serial number ranges of the 3320A and 3320B.
8-19. CHANGE 8, FOR SERIAL NUMBERS 1139A-00590 AND BELOW (3320B).
Details component changes for specific serial number ranges of the 3320B.
8-21. CHANGE 9, FOR SERIAL NUMBERS 1138A-00275 AND BELOW (3320A), 1319A-00690 AND BELOW (3320B).
Specifies component changes for specific serial number ranges of the 3320A and 3320B.
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