Active load — Free Electronics Illustration

Electronics

Active load

Compact black circuit-schematic symbol for an active load implemented with a transistor rather than a resistor. Show a transistor-based current-source-like load element suitable for amplifier stages, using clean integrated-circuit style line art. The symbol should include a standard transistor form with drain-source or collector-emitter load path, a gate or bias connection indicating active-device control, and two main connection terminals at top and bottom for insertion as a load branch above or below a gain device. Emphasize that this is an electronic load implemented by an active device, potentially current-source or current-mirror based, not a passive resistor.

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