Table of Contents
iv
2715 Spectrum Analyzer Service Manual
Figure 3-17: Timing Diagram for a Typical Write to the Control
Register
3-50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-18: Timing Diagram of a Typical Sweep for the Horizontal
Tracking A/D Converter
3-51
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-19: Sequence of Events When Writing Data to the
Waveform Memory
3-54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-20: How a Vertical Scan is Performed
3-56
. . . . . . . . . . . . . . . . .
Figure 3-21: The Display of a Single Vector of a Waveform
3-57
. . . . . . .
Figure 3-22: A Single Column of Character Dots
3-57
. . . . . . . . . . . . . . . .
Figure 3-23: Vertical Output Integrator
3-58
. . . . . . . . . . . . . . . . . . . . . . .
Figure 3-24: Microprocessor Block Diagram
3-61
. . . . . . . . . . . . . . . . . . .
Figure 3-25: Microprocessor Counter System (CPU)
3-62
. . . . . . . . . . . . .
Figure 3-26: Front Panel Block Diagram
3-83
. . . . . . . . . . . . . . . . . . . . . .
Figure 3-27: How the Debounce Circuit Reacts to Key Closure
3-85
. . . .
Figure 3-28: Power Supply Primary Block Diagram
3-88
. . . . . . . . . . . . .
Figure 3-29: Display Amplifiers Block Diagram
3-91
. . . . . . . . . . . . . . . .
Figure 4-1: 3rd Order IM Test Setup (25 MHz Separation)
4-17
. . . . . . .
Figure 4-2: Harmonic Distortion Test Equipment Setup
4-18
. . . . . . . . . .
Figure 4-3: 1 dB Compression Point Test Setup
4-20
. . . . . . . . . . . . . . . . .
Figure 4-4: Accessory Connector (J103)
4-22
. . . . . . . . . . . . . . . . . . . . . . .
Figure 4-5: Test Equipment Setup for Checking Return Loss
4-28
. . . . .
Figure 4-6: Test Signal on Video Line 17
4-32
. . . . . . . . . . . . . . . . . . . . . . .
Figure 4-7: Video Gating Check Waveform (NTSC Illustrated)
4-34
. . . .
Figure 4-8: IF Gating Check Waveform (NTSC Illustrated)
4-35
. . . . . .
Figure 5-1: Instrument Bottom View
5-5
. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5-2: Display Storage Board Adjustment Locations
5-13
. . . . . . . .
Figure 5-3: Properly Adjusted Checkerboard Pattern
5-14
. . . . . . . . . . .
Figure 5-4: Locked 2nd LO and 5 MHz Bandpass Filter
Adjustments
5-16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5-5: Phase Lock CFC Module Adjustment and Test Point
Locations
5-17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5-6: Log Board Adjustment and Test Point Locations
5-21
. . . . .
Figure 5-7: CAL Level Adjustment on Reference Oscillator Board
5-26
.
Figure 5-8: RF Option Adjustment Locations
5-28
. . . . . . . . . . . . . . . . . .
Figure 5-9: Variable Resolution Module Adjustment Locations
5-29
. . . .
Figure 5-10: Flatness adjustment test setup (all instruments
except Option 50)
5-34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Содержание 2715
Страница 4: ......
Страница 16: ...Service Safety Summary xii 2715 Spectrum Analyzer Service Manual ...
Страница 152: ...Theory of Operation 3 94 2715 Spectrum Analyzer Service Manual ...
Страница 254: ...Adjustment Procedures 5 66 2715 Spectrum Analyzer Service Manual ...
Страница 292: ...Options 7 4 2715 Spectrum Analyzer Service Manual ...
Страница 436: ...Replaceable Electrical Parts 8 144 2715 Spectrum Analyzer Service Manual ...
Страница 438: ...Diagrams 9 2 2715 Spectrum Analyzer Service Manual ...
Страница 445: ...Replaceable Mechanical Parts 2715 Spectrum Analyzer Service Manual 10 7 1 2 3 4 5 6 7 8 9 10 11 12 Figure 10 1 Cabinet ...
Страница 463: ...Replaceable Mechanical Parts 2715 Spectrum Analyzer Service Manual 10 25 1 2 3 4 5 6 7 8 9 Figure 10 6 Accessories ...
Страница 464: ...Replaceable Mechanical Parts 10 26 2715 Spectrum Analyzer Service Manual ...
Страница 468: ......
Страница 474: ...Service Safety Summary vi 2715 Spectrum Analyzer Service Manual ...
Страница 481: ...9 5 2715 Spectrum Analyzer Service Manual 2715 1 RF ATTENUATOR A18 ...
Страница 483: ...9 7 2715 Spectrum Analyzer Service Manual 1 1ST CONVERTER A16A1 2715 ...
Страница 485: ...2715 Spectrum Analyzer Service Manual 9 9 1 RF INPUT A16A2 2715 ...
Страница 487: ...9 11 2715 Spectrum Analyzer Service Manual 1 YIG BUFFER AMPLIFIER A17 2715 ...
Страница 489: ...9 13 2715 Spectrum Analyzer Service Manual 2715 1 1ST LO INTERFACE A19A1 ...
Страница 490: ...2715 Spectrum Analyzer Service Manual 9 14 ...
Страница 491: ...9 15 2715 Spectrum Analyzer Service Manual 2715 2 1ST LO A19 ...
Страница 493: ...9 17 2715 Spectrum Analyzer Service Manual Figure 1 9 A12A1 Phaselock CFC back ...
Страница 495: ...9 19 2715 Spectrum Analyzer Service Manual PHASELOCK CFC BOARD SIGNAL INTERCONNECT A12A1 2715 0 ...
Страница 496: ...2715 Spectrum Analyzer Service Manual 9 20 ...
Страница 497: ...9 21 2715 Spectrum Analyzer Service Manual 2715 PHASELOCK CFC A12A1 1 ...
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Страница 499: ...9 23 2715 Spectrum Analyzer Service Manual 2715 2 PHASELOCK CFC A12A1 ...
Страница 500: ...2715 Spectrum Analyzer Service Manual 9 24 ...
Страница 501: ...9 25 2715 Spectrum Analyzer Service Manual PHASELOCK CFC A12A1 2715 3 ...
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Страница 507: ...9 31 2715 Spectrum Analyzer Service Manual 2715 6 PHASELOCK CFC POWER SUPPLY A12A1 ...
Страница 509: ...9 33 2715 Spectrum Analyzer Service Manual 2715 1 HF VCO A12A2 ...
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Страница 515: ...9 39 2715 Spectrum Analyzer Service Manual SIGNAL INTERCONNECT RF MOTHER BOARD A14 0 2715 ...
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Страница 527: ...2715 Spectrum Analyzer Service Manual 9 51 2715 0 SIGNAL INTERCONNECT A28 VIDEO DEMOD BOARD ...
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Страница 529: ...2715 Spectrum Analyzer Service Manual 9 53 2715 1 A28 DEMOD 1 VIDEO DEMOD BOARD NOT USED ...
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Страница 534: ...2715 Spectrum Analyzer Service Manual 9 58 ...
Страница 535: ...2715 Spectrum Analyzer Service Manual 9 59 SIGNAL INTERCONNECT A11 DIGITAL OPTIONS BOARD 0 2715 ...
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Страница 537: ...2715 Spectrum Analyzer Service Manual 9 61 1 MICROPROCESSOR BUS INTERFACE DIGITAL OPTIONS BOARD A11 2715 ...
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Страница 539: ...2715 Spectrum Analyzer Service Manual 9 63 2715 2 PHASE LOCKED LOOP EPROM AND NVRAM A11 DIGITAL OPTIONS BOARD ...
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Страница 541: ...2715 Spectrum Analyzer Service Manual 9 65 REAL TIME CLOCK AND RS232 INTERFACE DIGITAL OPTIONS BOARD A11 3 2715 ...
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Страница 543: ...2715 Spectrum Analyzer Service Manual 9 67 4 VIDEO GATING LOGIC AND GPIB INTERFACE DIGITAL OPTIONS BOARD A11 2715 ...
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Страница 545: ...2715 Spectrum Analyzer Service Manual 9 69 2715 IF GATE A11 DIGITAL OPTIONS BOARD 5 ...
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Страница 569: ...9 93 2715 Spectrum Analyzer Service Manual Figure 1 24 A7 Log Amp back ...
Страница 571: ...9 95 2715 Spectrum Analyzer Service Manual 2715 LOG AMP BOARD A7 SIGNAL INTERCONNECT 0 ...
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Страница 573: ...9 97 2715 Spectrum Analyzer Service Manual 2715 LOG AMP BOARD A7 NOT USED 1 ...
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Страница 583: ...9 107 2715 Spectrum Analyzer Service Manual 2715 A7 LOG AMP BOARD 6 ...
Страница 585: ...9 109 2715 Spectrum Analyzer Service Manual 0 A21 SIGNAL INTERCONNECT REFERENCE OSCILLATOR BOARD 2715 ...
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Страница 589: ...9 113 2715 Spectrum Analyzer Service Manual 2715 2 REFERENCE OSCILLATOR A21 ...
Страница 591: ...9 115 2715 Spectrum Analyzer Service Manual Figure 1 28 A10 Microprocessor back ...
Страница 593: ...9 117 2715 Spectrum Analyzer Service Manual 0 SIGNAL INTERCONNECT A10 MICROPROCESSOR BOARD 2715 ...
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Страница 595: ...9 119 2715 Spectrum Analyzer Service Manual CLOCK CPU AND INTERRUPT CONTROLLER MICROPROCESSOR BOARD A10 1 2715 ...
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Страница 597: ...9 121 2715 Spectrum Analyzer Service Manual RAM A10 MICROPROCESSOR BOARD 2 2715 ...
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Страница 599: ...9 123 2715 Spectrum Analyzer Service Manual ROM A10 MICROPROCESSOR BOARD 3 2715 ...
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Страница 601: ...9 125 2715 Spectrum Analyzer Service Manual 2715 CONTROL A10 MICROPROCESSOR BOARD 4 ...
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Страница 603: ...9 127 2715 Spectrum Analyzer Service Manual 5 FREQUENCY COUNTERS MICROPROCESSOR BOARD A10 2715 ...
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Страница 607: ...9 131 2715 Spectrum Analyzer Service Manual COUNTER INPUT SELECT MICROPROCESSOR BOARD A10 7 2715 ...
Страница 608: ...2715 Spectrum Analyzer Service Manual 9 132 ...
Страница 609: ...9 133 2715 Spectrum Analyzer Service Manual CONNECTORS AND DECOUPLING A10 MICROPROCESSOR BOARD 8 2715 ...
Страница 613: ...9 137 2715 Spectrum Analyzer Service Manual 1 2715 SIGNAL INTERCONNECT A9 DISPLAY STORAGE BOARD ...
Страница 614: ...2715 Spectrum Analyzer Service Manual 9 138 ...
Страница 615: ...9 139 2715 Spectrum Analyzer Service Manual NOT USED NOT USED NOT USED 2 CONNECTORS A9 2715 DISPLAY STORAGE BOARD ...
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Страница 617: ...9 141 2715 Spectrum Analyzer Service Manual ADDRESS DECODING AND DATA BUFFERING A9 2715 DISPLAY STORAGE BOARD 3 ...
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Страница 619: ...9 143 2715 Spectrum Analyzer Service Manual CONTROL REGISTERS A9 4 2715 DISPLAY STORAGE BOARD ...
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Страница 621: ...9 145 2715 Spectrum Analyzer Service Manual 2715 5 A9 HORIZONTAL TRACKING A D CONTROL DISPLAY STORAGE BOARD ...
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Страница 623: ...9 147 2715 Spectrum Analyzer Service Manual 2715 6 A9 VERTICAL DATA PROCESSING AND NVRAM DISPLAY STORAGE BOARD ...
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Страница 635: ...9 159 2715 Spectrum Analyzer Service Manual 12 A9 MISCELLANEOUS DISPLAY STORAGE BOARD 2715 ...
Страница 637: ...9 161 2715 Spectrum Analyzer Service Manual 2715 SIGNAL INTERCONNECT A6 FRONT PANEL BOARD 0 ...
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Страница 639: ...9 163 2715 Spectrum Analyzer Service Manual SWITCH MATRIX A6 FRONT PANEL BOARD 2715 1 ...
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Страница 641: ...9 165 2715 Spectrum Analyzer Service Manual OUTPUT SHIFT REGISTERS AND POTS A6 FRONT PANEL BOARD 2715 2 ...
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Страница 643: ...9 167 2715 Spectrum Analyzer Service Manual GRAY CODE AND SERVICE REQUEST ACKNOWLEDGE A6 FRONT PANEL BOARD 2715 3 ...
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Страница 645: ...9 169 2715 Spectrum Analyzer Service Manual INPUT SHIFT REGISTERS AND LEDS A6 FRONT PANEL BOARD 2715 4 ...
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Страница 649: ...2715 Spectrum Analyzer Service Manual 9 173 A5 2715 SIGNAL INTERCONNECT SWEEP BOARD 0 ...
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Страница 651: ...2715 Spectrum Analyzer Service Manual 9 175 VIDEO BUFFERING A5 2715 SWEEP BOARD 1 ...
Страница 652: ...9 176 2715 Spectrum Analyzer Service Manual ...
Страница 653: ...2715 Spectrum Analyzer Service Manual 9 177 2715 VIDEO TRIGGER A5 SWEEP BOARD 2 ...
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Страница 655: ...2715 Spectrum Analyzer Service Manual 9 179 2715 A5 SERIAL CONTROL REGISTER SWEEP BOARD 3 ...
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Страница 657: ...2715 Spectrum Analyzer Service Manual 9 181 2715 SWEEP RAMP GENERATOR SWEEP BOARD A5 4 ...
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Страница 665: ...2715 Spectrum Analyzer Service Manual 9 189 0 SIGNAL INTERCONNECT POWER SUPPLY BOARD A15A1 ...
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