Table Of Contents - HP 4935A Operating And Service Manual

Model 4935A
S e c t i o n T i t l e
I. GENERAL INFORMATION
l-l. Introduction.. ................................................... l - l
l-3. General Description.. ..................................... l - l
l-5. Instrument Identification.. ............................. l-1
l-7. Specifications.. ................................................. l - l
l-9. Safety Considerations.. .................................. .1-4
1-12. Related Manuals.. ........................................... l-4
1-14. User Repair.. ................................................... l-4
1-16. Options and Accessories.. .............................. l-4
1-19. Warranty.. ...................................................... ..l- 4
1-21. Recommended Test Equipment.. ................. l-4
l-23. Battery Operation (0pt.s 001 & 003) .......... l-6
Charging The Batteries.. ........................... l-6
l-26.
Operating Temperature.. ......................... l-6
l-29.
II. Installation
2-l. Introduction.. .................................................. .2-l
2-3. Initial Inspection.. .......................................... .2-l
2-6. Preparation for Use.. ..................................... .2-l
2-7. Power Requirements.. ................................... .2-l
2-9. Line Voltage Selection.. ................................. 2-l
2-11. Power Cable.. ................................................. .2-2
2-13. Operating Environment.. .............................. .2-2
2-16. Storage a n d Shipment.. ................................. .2-2
2-17. Environment.. ........................................... .2-2
2-19. Instrument Packaging ................................... .2-2
III. Operation
3-l. Introduction .................................................... .3-l
3-3. Self Check ....................................................... .3-l
3-5. Error Messages.. ............................................ .3-l
3-7. Operating Instructions .................................. .3-6
3-9. Measurements ................................................ .3-7
3-10. Measurement Principles ............................... .3-17
3-12. Input-Output Switching ................................ .3-17
3-19. Level and Frequency Measurements.. ........ .3-18
3-21. 1000 H z Loss.. ................................................ .3-18
3-24. Frequency Shift .............................................. .3-18
3-26. Attenuation Distortion.. ................................ .3-18
3-30. SF Skip ............................................................ .3-19
3-32. Message Circuit Noise Measurements.. .... ..3-19
3.40. Noise Measurements ..................................... .3-22
3-42. Noise-with-Tone (Notched Noise) .............. .3-22
3-45. Signal-to Noise Measurement.. .................... .3-22
TABLE OF C:ONTENTS
P a g e S e c t i o n
3-48. Signal Frequency Interference .................... .3-24
3-52. Impulse Noise.. .............................................. .3-24
3-55. Noise-to-Ground Measurement.. ................ .3-25
3-59. Peak-to-Average Ratio Measurement.........3-2 5
IV.
4-l. Introduction ................................................... .4-l
4-3. Equipment Required.. .................................. .4-l
4-5. Test Record ................................................... .4-l
4-7. Self Check ...................................................... .4-l
4-9. Performance Verification.. ........................... .4-l
4-12. Performance Tests.. ...................................... .4-2
4-13.
4-14.
4-15.
4-16.
4-17.
4-18.
4-19.
4-20.
4-21.
4-22.
4-23.
4-24.
4-25.
V.
5-l.
5-3. Safety Considerations.. ................................. .5-l
5-5. Equipment Required.. .................................. .5-l
5-6.
5-9. Adjustment Locations.. ................................. .5-l
5-11. Adjustments.. ................................................. .5-2
5-13.
5-14.
5-15. Receiver Adjustments.. ................................. .5-5
5-17. Notch Filter Adjustments.. ........................... .5-7
5-18. Al3 P/AR Filter and Latch
5-19.
T i t l e
PERFORMANCE TESTS
Transmitter Flatness At + 10Dbm.. ........ .4-2
Transmitter Flatness a t -40dBm.. .......... .4-4
Receiver Accuracy at
Autorange Test.. ...................................... .4-10
Filter Tests.. ............................................. .4-11
Impulse Noise Dac Test.. ..................... .4-14
Count Limit Test.. ................................... .4-16
Termination Impedance Test.. .............. .4-17
Hold Tone Dropout Detector Test........4-19
Hold Circuit Test .................................... .4-20
Distortion T e s t ........................................ .4-21
P/Ar Test.. .............................................. .4-25
Noise-To-Ground(Std. dc Opt. 001)....... .4-26
ADJUSTMENTS/CALIBRATIONS
Introduction ................................................... .5-l
Instrument Access.. ................................. .5-l
t
Supply Adjustments ...................................... .5-3
Output Level & Transmit
Monitor Loop Adjustments.. ................. .5-4
Hold Circuit Adjustments.. .................... .5-9

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