A MOSFET device is said to as having a short channel when the channel length is the same order of magnitude as the depletion-layer widths (XdD, XdS) of the source and drain junction. Short channel is the length of the depletion channel between the source and drain.
What does transconductance mean?
- The performance of a bipolar transistor or field-effect transistor is expressed by its transconductance (FET).
- When all other elements are maintained equal, a device may often produce a greater gain (amplification) the larger the transconductance number for that device.
- Transconductance, which is also sporadically referred to as mutual conductance, is an electrical property that links the current flowing through a device's output to the voltage across its input.
- Resistance's opposite is conductance. The AC equivalent of transconductance is called transmittance.
- Certain electrical components have a characteristic called transconductance.
- Transconductance is the ratio of the current change at the output port to the voltage change at the input port.
- Conductance is the reciprocal of resistance. It's abbreviated as gm.
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