HP 85662A Troubleshooting And Repair Manual page 189

Spectrum analyzer if-display section
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The following program is useful in troubleshooting problems related to the dynamic operation
of the Summing Amplifiers, Sample and Hold, and Integrators. It draws a line from the lower
left corner of the display to the upper right corner and then back to the lower left.
Key in the following:
Instrument Preset
TRACE B
0 Hz
1026 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1056Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2048 Hz
1056Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 5. Reference Voltages
Comments
WRITE:
DSPL ADRS
WRITE:
Vector Command
..X,Ypair 1
..X,Ypair 3
..Ski p Page
DSPL ADRS
WRITE

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