Keysight Technologies 34959A Service Manual page 47

Calibration Procedures 3
In this manual, the direct ABus connection is the one described. Connections for
the ABus connector are shown below.
Use shielded twisted pair PTFE insulated cables to reduce settling and
NOTE
noise errors. Connect the shield to the source LO output.
PTFE is a registered trademark of E.I. du Pont de Nemours and Company.
Keysight 34980A Service Guide 47