Troubleshooting Analyzer Options - Agilent Technologies 8590 Series Service Manual

Analyzer Options and Block Diagrams

Troubleshooting Analyzer Options

Troubleshooting Analyzer Options
This section provides information to aid in troubleshooting options
installed in the 8590 Series analyzers.
Tracking Generator 8590L, 8591C, and
8591E Option 010, 011
Refer to
overview of operation for the tracking generator and its connection to
the standard analyzer.
The signals present on the W33 wire harness at A7A1J7 are detailed in
Table 10-2
Table 10-2 Tracking Generator Control Signals at A7A1J7
A7A1J7
Connector Wire Color
Pin
1 Brown
2
3 Orange
4 Yellow
5 Green
6 Blue
7 Violet
8 Gray
9 White
10 Black
11 White/Brown
12 White/Red
408
Figure 10-1, Tracking Generator Block Diagram, for an
and on Figure
W33 Mnemonic
MOD_DRIVE
No Connection
D1
G1
D2
G2
ATN_30
+15_X3
ATN_20
+15VF
ATN_10
+15 VF
10-1.
Modulator drive voltage
Drain voltage (−.5 to −2.0V)
Gate 1 bias voltage (5.4 V)
(−0.5 to −2.0 V)
Drain voltage (−.5 to −2.0V)
Gate 2 bias voltage (5.4 V)
(−0.5 to −2.0 V)
Control for 30 dB attenuator step
Switched +15 VF
Control for 20 dB attenuator step
+15 VF for Amplifier/Detector
Control for 10 dB attenuator step
+15 VF for Attenuator
Signal Description
Chapter 10