current gain

current gain

[′kər·ənt ‚gān]
(electronics)
The fraction of the current flowing into the emitter of a transistor which flows through the base region and out the collector.
References in periodicals archive ?
The effects of inner loop current gain coefficient P, actuator delay and suspension current perturbation on static stability are studied, and it can be concluded as follow.
The current [i.sub.1] is copied to the output section with a current gain factor k, thus
Figure 4(a) showed the gain simulation results, where the set of solid curves represent the current gain [H.sub.21] values and the set of open curves represent the unilateral power gain U values, from which the cut-off frequency [f.sub.t] and the maximum oscillation frequency [f.sub.max] can be extracted.
The current gain calibration is simultaneously performed with the same method of the gain calibration.
367 and 6038B provide a regime of substantive and procedural requirements that must be met to apply the subchapter C rules to avoid current gain recognition in connection with an outbound transfer.
Extrinsic current gain [[absolute value of [H.sub.21]].sup.2] and unilateral power gain U for [V.sub.ds] = 80 mV and [V.sub.ds] = 240 mV at peak [f.sub.T] are presented in Figure 4.
At the heart of this new device, ST's advanced double-metal planar base island technology enables the 3STL2540 to maintain consistently high current gain (hFE) of at least 100 over a wide output-voltage range from 0.2 to 10V and a temperature range from -30degC to 150degC, offering the industry's lowest conduction losses for this type of device.
In turn, the increase in recombination rate degrades the current gain. Many studies of displacement damage mechanisms in bipolar transistors have indicated that the common-emitter current gain degrades through the introduction of recombination centers.
The current gain relies on the scaling factor of the four basic current mirrors M1-M3 and M4-M6.
On the basis of the MBE technology, the high current gain Darlington transistor, with a wide bandgap emitter having a very high current gain, obtained by implementing the concept of the heterojunction to increase the current gain of the Darlington transistor using 4H- SiC with a bandgap of 3.2 eV for the emitter and 3C-SiC with a bandgap of 2.2 eV for the base and the collector regions, has been introduced [4].

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