Agilent Technologies E4417A User Manual

Troubleshooting 6
E4416A/E4417A Power Meters Service Guide 123
Figure 6-6 Troubleshooting Guide - TTL Inputs (continued)
A
B
Did power
meter channels
zero?
Apply TTL logic 1 level to RJ45 connector. pin 5 wrt
pin 8. Apply TTL logic 0 pulse to RJ45 connector
pin 6 wrt pin 8. See User’s Guide chapter 2 for timing.
Did Channel A
CAL?
Is the
meter single or
dual channel?
Apply TTL logic 1 level to Rmt I/O connector pin 5 wrt pin 8.
Apply TTL logic 0 pulse to Rmt I/O connector pin 6 wrt pin 8.
See User’s Guide chapter 2 for timing.
Did Channel B
CAL?
No fault found with Channel B TTL Input selection.
Check user application/implementation.
No fault found with Channel A Input Zero/CAL
selection. Check user application/implementation.
End
Single
Yes
Dual
Yes
No
No
No
Yes
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Agilent Technologies E4417A Specifications

General

Brand	Agilent Technologies
Model	E4417A
Category	Measuring Instruments
Language	English