This is an old revision of this page, as edited by Xcentaur (talk | contribs) at 04:07, 27 October 2007 (→Common-Emitter: img format + rm unneccessary img). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 04:07, 27 October 2007 by Xcentaur (talk | contribs) (→Common-Emitter: img format + rm unneccessary img)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)The load line of a transistor circuit shows the voltage-current characteristic (V-I Graph) of that particular circuit or configuration, over a range of Base currents. As the Collector-Emitter Voltage (VCE) varies from zero to its maximum value, the current at the Collector varies accordingly. It must be noted that this is the dc load line for the circuit for a fixed load. The saturation current and cutoff voltage determine the intersections of the graph on the Y and X axes respectively. Intersections of the base voltage curves with the IC-VCE graph indicate realistic operating conditions for those base currents.
Load lines for common configurations
Common-Emitter
The given load line diagram is for the Common emitter configuration.
The load line diagram illustrates all possible values of collector current (IC) and the collector voltage (VCE in this case) for a given load resistor (RC).
References
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