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Agilent Technologies 8753ET Service Guide

Agilent Technologies 8753ET
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3-52 Chapter 3
Adjustments and Correction Constants
Source Spur Avoidance Tracking Adjustment
Source Spur Avoidance Tracking Adjustment
Required Equipment and Tools
Analyzer warm-up time: 30 minutes.
This adjustment optimizes tracking between the YO (YIG oscillator) and the cavity
oscillator when they are frequency offset to avoid spurs. Optimizing YO-cavity oscillator
tracking reduces potential phase-locked loop problems.
1. Mate the adapter to the BNC cable and connect the BNC connector end to AUX INPUT
on the analyzer’s rear panel. Connect the BNC center conductor alligator-clip to A11
TP10 (labeled φ ERR); the shield clip to A11 TP1 (GND) as shown in Figure 3-24.
Figure 3-24 Location of A11 Test Points and A3 CAV ADJ Adjustments
2. Press .
3. Press
.
4. Press .
5. To make sure that you have connected the test points properly, adjust the CAV ADJ
potentiometer while observing the analyzer display. You should notice a change in
voltage.
Description HP/Agilent Part Number
BNC alligator clip adapter 8120-1292
BNC-to-BNC cable 8120-1840
Antistatic wrist strap 9300-1367
Antistatic wrist strap cord 9300-0980
Static-control table mat and ground wire 9300-0797
Preset Center 400 M/µ Span 50 M/µ
System
ANALOG BUS ON
Meas
ANALOG IN Aux Input
11 x1
Format
MORE
REAL
Scale Ref 10 k/m
MARKER
→
REFERENCE

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Agilent Technologies 8753ET Specifications

General IconGeneral
BrandAgilent Technologies
Model8753ET
CategoryMeasuring Instruments
LanguageEnglish

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