Product Overview; 42841A Bias Current Source; Operation Limitations - Keysight E4980A User Manual

Bias Current Interface

Product Overview

Product Overview

42841A Bias Current Source

The 42841A is a DC bias current source for use with the E4980A/AL (with
Option 002 Bias Current Interface). All measurement setups, including the DC
current bias, can be set from the E4980A/AL front panel.

Operation Limitations

Some E4980A/AL functions have the following limitations when used with the
42841A and the 42842A/B.
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Turn off all the power switches of the 42841A and E4980A/AL when
connecting or disconnecting any connection involving 42841A and
E4980A/AL.
The 42842C bias current test fixture cannot be used with the E4980A/AL.
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Option 001, Internal DC Bias is disabled.
DC Bias test signal voltage (V) is disabled.
Test signal voltage monitor (VDC MON) is disabled.
Test signal current monitor (IDC MON) is disabled.
Auto bias polarity control function (BIAS POL) cannot be set to AUTO.
Measurement range is only 10  and 100 .
Cable length setting applies only to the 1 m setting.
Keysight E4980A/AL User's Guide