Agilent Technologies 856290216 service manual Introduction, Adjustment Procedures

2

Adjustment Procedures

Introduction

This chapter contains information on automated and manual adjustment procedures. Perform the automated procedures using the HP 85629B test and adjustment module (TAM). Never perform adjustments as routine maintenance. Adjustments should be performed after a repair or performance test failure. Refer to Table 2-l to for which adjustments to perform.

Automated Procedures

Using the TAM

Front End Cal (adjustment)

Manual Procedures

1.High Voltage Power Supply Adjustment

2.Display Adjustment

3.IF Bandpass Adjustment

4.IF Amplitude Adjustments

5.DC Log Amplifier Adjustments

6.Sampling Oscillator Adjustment

7.YTO Adjustment

8.LO Distribution Amplifier Adjustment

9.Frequency Response Adjustment

10.Calibrator Amplitude Adjustment

11.10 MHz Reference Adjustment-OCXO

12.10 MHz Reference Adjustment-TCXO (Option 103)

13.Demodulator Adjustment

14.External Mixer Bias Adjustment

15.External Mixer Amplitude Adjustment

16.YIG-Tuned Filter/Mixer (RYTHM) Adjustment

17.16 MHz PLL Adjustment

18.600 MHz Reference Adjustment

Note	Before performing any adjustments, allow the spectrum analyzer to warm up
	for at least 5 minutes.

Adjustment Procedures 2-1