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⚡ Circuit Lab
BJT circuits with live simulation — built with tscircuit + SPICE
Circuits
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Common Emitter Amplifier
Classic NPN amplifier — voltage gain stage with base bias and emitter degeneration
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BJT Switch
NPN transistor as a digital switch driving an LED
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Current Mirror
Matched NPN pair — Q2 mirrors the reference current through Q1
BJTs in this lab
NPN transistors (2N2222-class) with SPICE simulation. All circuits are defined as tscircuit TSX and rendered from circuit-json.
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