LM358 100 Times Gain Signal Amplifier Op-amp

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onboard LM358 chip       2,100 gain of circuit design       3, onboard 10K adjustable resistance, you can adjust the magnification       4, on-board power indicator       5, the chip has been drawn primarily pin can be directly input and output signals       6, Operating Voltage: …
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PAM8403 Digital Power Amplifier 2*3W Class-D

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Model:PAM8403 Power:Low Power Super size:1.85*2.11 cm Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise, two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers, the output power large, full of energy, good sound quality. …
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TDA2030 Audio Amplifier Single Supply Module

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TDA2030A audio amplifier circuit, often using V-5-pin single in-line plastic package structure. The integrated circuit is widely used in car stereo receiver tape recorders, medium-power audio equipment, with small size, large output power, distortion and other characteristics. And has an internal protection circuit. Features: onboard TDA2030A audio power amplifier chip mono 18W amplifier circuit design …
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