Agilent Technologies 35670-90066 manual Channel 3 Adjustmnt Cmrr

Agilent 35670A	Adjusting the Analyzer
	To adjust common mode rejection

For the optional four channel analyzer, do the following to adjust common mode

Grejection:

•Set the power switch to off ( O ).

•Connect the BNC(f)-to-minigrabber adapter to the BNC cable. Connect both minigrabber clips (signal and ground) to A5 TP8 and the BNC connector to the analyzer’s CH 1 connector.

•Set the power switch to on ( I ).

•Press the following keys:

[ System Utility ] [ MORE ]

[ SERVICE TESTS ] [ ADJUSTMTS ]

[ CHANNEL 1 ADJUSTMNT ] [ CMRR ]

Wait for the analyzer to set up the adjustment. The analyzer is ready when the adjustment message appears on the screen.

•While monitoring the Y: value, adjust A2 R43 in the lower slot for a minimum marker value.

•Disconnect the BNC cable from the analyzer’s CH 1 connector and connect to the CH 2 connector.

•Press the the following keys:

[ Rtn ]

[ CHANNEL 2 ADJUSTMNT ] [ CMRR ]

Wait for the analyzer to set up the adjustment. The analyzer is ready when the adjustment message appears on the screen.

•While monitoring the Y: value, adjust A2 R43 in the upper slot for a minimum marker value.

•Disconnect the BNC cable from the analyzer’s CH 2 connector and connect to the CH 3 connector.

•Press the the following keys:

[ Rtn ]

[ CHANNEL 3 ADJUSTMNT ] [ CMRR ]

Wait for the analyzer to set up the adjustment. The analyzer is ready when the adjustment message appears on the screen.

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