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Performance Verification
2715 Spectrum Analyzer Service Manual
4-23
Performance requirement is 10% over the center eight divisions.
H Test equipment required:
Time Mark Generator
1. Recall default power up settings by pressing UTIL 1 1.
2. Connect the Time Mark Generator to the RF INPUT.
3. Connect the Time Mark Generator Trigger Output to J102, (EXT TRIG) on
the rear panel of the Spectrum Analyzer.
4. Enable external triggering by pressing SWP/TRIG 2.
5. Set the Time Mark Generator controls for 50 ms time marks, and turn off the
Spectrum Analyzer video filter.
6. Select the following settings on the Spectrum Analyzer:
FREQUENCY 10 MHz
REFERENCE LEVEL --30 dBm
SPAN/DIV ZERO
RESOLUTION BW 300 kHz
7. It may be necessary to set the Horizontal position potentiometer on the rear
panel to align the marks with the graticule. Be sure to return the potentiome-
ter to its original position when done.
8. Check the accuracy of the 2 s to 1 ms sweep timing range by applying
appropriate markers for each sweep setting. The error should not exceed
±4 minor divisions measured over the center 8 divisions.
9. Turn off the DISPLAY STORAGE for the 50 s and faster sweep settings
and reset RESOLUTION BW to 5 MHz.
10. Disconnect the Time Mark Generator from the RF INPUT.
Performance requirements are:
Internal: 1 division or more of signal
External: 1. 0 V peak minimum.
H Test equipment required:
Function Generator
1. Recall default power up settings by pressing UTIL 1 1.
Sweep Rate and A ccuracy
Triggering