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Archives for October, 2014

Cell phone power supply schematic using 723 and 7812

Cell phone power supply schematic 2 – 7V 6/8A using 723, 7812, Tip 142, BD 139 Cell Phone Charger and Adapter Applications. This product is universal, portable and a rechargeable power for Power Bank Cell phone power supply schematic 2-7V 6-8A using 723 and 7812 Block diagram of Linear Regolated power supply. This simple usb cellphone […]

12 volt Battery Charger Circuit using LM301A and LM350

Battery Charger Circuit using LM301A, LM350

Audio power amplifier circuit

  Audio power amplifier circuit 140W Audio power amplifier circuit using 2N3569, 2N3055, MPS6533, 2N4355 140 W Audio power amplifier circuit How to Select the Best Audio Amplifier for Your Design What is a Class D audio amplifier? What is a Class C amplifier? How does an audio amplifier circuit work? How does a Class […]

audio beep Circuit

Hi-Fi Headphone Amplifier Circuit

Hi-Fi Headphone Amplifier Circuit The following page contains detail information on how to design a headphone amplifier circuit diagram which has low output impedance Hi-Fi Circuit using NE5534, OPA2604, MJE340, BD139, BD140, MJE350

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