234 Keysight NFA Series Noise Figure Analyzers Service Guide
Front End Control Troubleshooting
A15 Front End Control Description
The table below describes the connector location and the final destinations of
the RF signal, switch control logic or bias voltage.
Table 6-1 A15 Connectors and Destinations
A15 Connector
Designation
Description
Destination
EFEC-Lite EFEC
N/A J900 Narrowband I.F. Out To A2
N/A J901 Wideband I.F. Out To A3
N/A J902 322.5 MHz I.F. In From A13
N/A J1100 Aux I.F. Out To Rear Panel
N/A J1300 Switched I.F. Filter Out Reserved for future use
J700 J700 Low Band Switch Logic Out To A11
J800 J800 Mechanical Attenuator Logic Out To A9 & A10
J301 J301 Sweep Out Reserved for future use
J102 J102 R.F. Front End Logic Out To A13
J302 J302 Preselector Tune Out N/A (test point only)
J300 J300 YTF Bias Control Out To A12
N/A J802 Low Noise Bypass Switch Logic Out Reserved for future use
J100 J100 Motherboard Connector From A8
To Next Page
Loading...
Need help?
General
