Agilent Technologies 8753ET Service Guide

10-30 Chapter 10
Service Key Menus and Error Messages
Service Key Menus
Node 14 Vbb Ref (ECL reference voltage level)
Perform step A11 and then press
.
The trace should be a flat line across the entire operation frequency range within 0.3 V
(one division) of the reference value. Vbb Ref is used to compensate for ECL voltage drift.
Figure 10-9 Analog Bus Node 14
Meas
ANALOG IN
14 x1 Scale Ref 0.3 x1
REFERENCE VALUE
−1.2
9
x1

Agilent Technologies 8753ET Specifications

General

Brand	Agilent Technologies
Model	8753ET
Category	Measuring Instruments
Language	English