Introduction
Automated adjustment and diagnostic software is required to provide
some of the spectrum analyzer adjustments. The software also provides
automated diagnostics for troubleshooting. Instructions for using these
programs are included in this chapter. The 8564E/8565E
Adjustment/Diagnostic Software is essential for proper adjustment of
an 8564EC or 8565EC spectrum analyzer.
Never perform adjustments as routine maintenance. Adjustments
should be performed after a repair or performance test failure. For
information on which adjustments to perform, see Table 2-1 on page 51.
Where both a manual and an automated adjustment number are shown
for a given adjustment, either the manual OR the automated
adjustment may be performed.
Some of the adjustments must be done manually. The manual
adjustment procedures can be found in Chapter 3 of this service guide.
The following lists identify all of the automated and manual
adjustment procedures:
Automated Adjustments
1. Initial Information ......................................................... page 63
2. LO Frequency ............................................................... page 64
3. YTO FM Coil ................................................................ page 66
4. LOMA Adjustments ..................................................... page 68
5. 3rd Amp/2nd IF Align ................................................... page 71
6. Cal Out Adjustment ...................................................... page 72
7.
Front End Cal ................................................................ page 73
8.
IF Bandpass Poles ......................................................... page 74
9.
IF Amplitude .................................................................. page 75
10. DC Log Adjustments ................................................... page 76
1
1. Sampling Oscillator ...................................................... page 78
Ma
nual Adjustments
1. IF Bandpass Adjustment
2. IF Amplitude Adjustments
3. DC Log Amplifier Adjustments
4. Sampling Oscillator Adjustment
5. YTO Adjustment
6. Calibrator Amplitude Adjustment
7. 10 MHz Reference Adjustment — OCXO
8. 10 MHz Reference Adjustment — TCXO (Option 103)
9. Demodulator Adjustment
10. External Mixer Bias Adjustment
11. External Mixer Amplitude Adjustment
12. 600 MHz Reference Adjustment
48
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