Why do we use VCC in amplifier circuit?


cannot perform or operate devices without power, think know it.thank you.
dc voltage operate electronic device or circuit.such electronic devices mentioned above amplifier therefore applies phenomenon.the symbol dc voltage vcc of elcetronic circuit , therefore,the vcc have mentioned above dc voltage bjt amplifier wthout not operate amplifier.
note:it noted that, in elctronics, ciruits requires(99%) dc(viz: dc biaing) operate. if wish clamp input or output , can clamp application of diodes, capcitors, trasistors....(for please check application of diodes,capacitors,transistors,...... or clamping cicuits).

actually referring amplifier circuit, dc voltage supply, ie, vcc bjt amplifier circuit, how circuit besides clamping input wave form?


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