Bc548 Amplifier Circuit Diagram. This will drive easily a signal to a power amplifier. Bc548 is an npn epitaxial silicon transistor.
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Bc548 is a npn transistor so the collector and emitter will be left open when the base pin is held at ground and will be closed when a signal is provided to base pin. Transistors work as an amplifier in the active region or linear region. This preamplifier circuit with two transistors.
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The frequency response is from 70 hz 45 khz at 3 db. Howtomake01 howtomake simple audio amplifier bc548 transistor. Simple preamplifier circuit using bc548 transistors. Smallest amplifier circuit using bc548 very common and cheap transistor for more info check facebook page if u really like this video than like subscribe.