Symmetricom 5071A, Сборка и сервисное обслуживание

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1. Performance Tests – Verifying Specifications
Test Record
2
Test Record
The results of the Operational Verification, complete Performance Tests, and
RS-232 Verification can be recorded on a copy of the Performance Test
Record, located at the end of this chapter.
Equipment Required
Equipment required for the performance tests in this chapter is listed in the
following table. Any equipment that satisfies the critical specification listed in
the table may be substituted for the recommended model(s). (The
performance test and diagnostic procedures assume the use of the listed
equipment.)
If operational verification or full-performance tests are being performed, use
the test equipment called out on this page and the appropriate test
cables/adapters listed on page 6.
If diagnostic troubleshooting is required, use the test equipment called out on
this page, page 5, and the appropriate test cables/adapters listed on page 6.
Table 1-1. Recommended Test Equipment
Instrument Required Characteristics Use Model
General-Purpose
Oscilloscope At least 100 MHz bandwidth
Input: 1 M
Ω
OV, T HP/Agilent
54600A
Spectrum Analyzer Frequency Range Span: 0 to 40 MHz
Measurement Resolution 1 kHz/Div.
Center Frequency Accuracy: 1 PPM P, T HP/Agilent
3585A/B
Linear Phase
Comparator Input Frequency Range: 5 to 10 MHz
Input Level (50
Ω
): 1 Vrms
Output: 0 to +1 Vdc
Output Linearity: Proportional from
0 to 360 degrees phase
P HP/Agilent
K34-59991A
Strip Chart Recorder Paper Movement: 1 inch/hour
Input Range: 0 to +1 Vdc
Full Scale Range: +1 Vdc
Full Scale Resolution: 50 minor divisions P No
Recommendation