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Posts tagged B55138ZX

Touch switch circuit for PC board

Touch switch circuit for PC board using B5584ZX, B55138ZX, 74HC14

High voltage op amp

high voltage op amp using UA741 The op-amp UA741 is wired to operate in three frequency ranges- high, medium and low. The circuit is designed such that the circuit produces +/-20 dB boost or attenuation for 50Hz,1KHz and 10Khz by varying POT’s R2. The maximum amplification for any of these bands at maximum supply voltage […]

Electronic Component LA4440

18W Audio Amplifier circuit using LA4440 Electronic Component 18W Audio Amplifier circuit using LA4440

Audio power amplifiers

Audio power amplifier circuit is used AN7112

80 Metre Direct Conversion Receiver

80 Metre Direct Conversion Receiver using MPF102, LM386, BC548

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