Agilent Technologies 35670-90066 •Set the oscilloscope as follows, •Set the power switch to off O

Models: 35670-90066

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•Set the oscilloscope as follows:

Adjusting the Analyzer

Agilent 35670A

To adjust the ADC gain, offset and reference

 

Set the oscilloscope as follows:

Channel 1

Volts/Div

20 mV/div

 

Offset

0V

 

Coupling

1 Mac

Channel 2

Volts/Div

500 mV/div

 

Offset

0V

 

Coupling

1 Mac

Time Base

Time/Div

1.0 ms/div

 

Sweep

Triggered

Trigger

Source

Channel 2

 

Level

500 mV

 

Slope

Positive

 

Mode

Edge

Display

Mode

Repetitive

 

Averaging

On

 

No. of Avg.

8

 

Screen

Single

Remove the cable from A5 P4. Connect a jumper from A5 TP8 to A5 TP300.

Press [ Preset ] while setting the power switch to on ( I ).

Press the following keys:

[System Utility ] [ MORE ]

[ SERVICE TESTS ] [ ADJUSTMTS ]

[ ADC ADJUSTMNT ]

[ SECOND PASS GAIN ]

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

Adjust A5 R407 for a flat trace on the oscilloscope.

Set the power switch to off ( O ).

Disconnect the capacitive load and connect the 1:1 oscilloscope probe directly to the oscilloscope input. Attach the probe to A5 TP402 and the probe ground clip to the instrument chassis.

Change the set up for the oscilloscope as follows:

Channel 1

Volts/Div

115 mV/div

 

Coupling

1 Mdc

Channel 2

Coupling

1 Mdc

Time Base

Time/Div

500 ms/div

Display

Averaging

off

 

Display time

2.00 s

Set the power switch to on ( I ).

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Page 256
Image 256
Agilent Technologies 35670-90066 manual •Set the oscilloscope as follows, •Set the power switch to off O