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Posts tagged A673

Stereo Power Amplifier

68W Power Amplifier schematic   68W Stereo Power Amplifier using TR A673, C828, C1213, D438, B560, TIP31 and TIP32

PWM Controller IC

PWM Controller IC Circuit and schema using MAX17000A on VDDQ, VTT, and VTTR The MAX17000A is a PWM controller IC which provides complete power solutions in notebook DDR, DDR2, and DDR3 memory. This consists of step-down controller, source-sink LDO regulator, and reference buffer are required to generate VDDQ, VTT, and VTTR rail. PWM Controller IC

NOISE REDUCTION PROCESSOR circuit

NOISE REDUCTION PROCESSOR circuit DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 The KA2271 is a monolithic integrated circuit designed for use in Dolby* B-type reduction systems. FEATURES Few external components Low quiescent circuit current (Typ Iccq=4.3mA) High crosstalk rejection ratio. Built-in NR-switch, REC/PB-switch. Recommended supply voltage: Vcc=8V~16V.

Power Supply soft start

How to start power supply ? and slow start power supply ? Power Supply soft start Circuit diagram design How to start power supply ? and slow start power supply ?

Audio Amplifier Circuit using MC1741 and TR

Audio Amplifier Circuit using MC1741 and TR

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