Manuals >Reference >Agilent EEHEMT1 Model Equations
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Output Charge and Delay

Agilent EEHEMT1 uses a constant output capacitance specified with the parameter CDSO. This gives rise to a drain-source charge term of the form

The drain-source current described previously, is delayed with the parameter TAU according to the following equation:

In the frequency domain, only the transconductance is impacted by this delay and the familiar expression for transconductance is obtained

ym = gm • exp(-j • • TAU)
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