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Posts tagged mic

PRE AMP MIC

PRE AMP MIC 3 TR USING BC550C BC556 BC546 PRE AMP MIC 3 TR USING BC550C BC556 BC546 R1_____________ 1K5 R2_____________ 220K R3_____________ 18K R4_____________ 330R R5_____________ 39K R6_____________ 56R R7,R10_________ 10K R8_____________ 33K R9_____________ 150R R11____________ 6K8 R12,R13________ 100R R14____________ 100K C1_____________ 220nF 63V C2_____________ 220pF 63V C3_____________ 1nF 63V C4,C7__________ 47µF 50V C5,C6__________ […]

5 BAND Audio GRAPHIC EQUALIZER

5 BAND Audio GRAPHIC EQUALIZER AMPLIFIER using KA2223 5 BAND Audio GRAPHIC EQUALIZER AMPLIFIER using KA2223 The KA2223 is a monolithic integrated circuit consisting of an operational amplifier with five resonant circuits and a active filter, an it is suitable for radio-cassette tape recorders, car stereos or music center audio systems. FEATURES Tone control with […]

Simple Audio Indicator TAA300

Simple Audio Indicator TAA300 very simple audio oscillator electronic project can be designed using IC TAA300 This circuit is intended to indicate the power output level of any audio amplifier. Simple circuit to power your 9 vol

Schematic Delay

Electronic Schematic Base band Delay Line using TDA4661 Baseband Delay Line using TDA4661 Electronic Schematic Base band Delay Line using TDA4661 General Description The TDA4661 is an integrated baseband delay line circuit with one line delay. It is suitable for decoders with colour-difference signal outputs (R-Y) and (B-Y) Features Two comb filters, using the switched-capacitor […]

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 […]

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