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Posts tagged vdc power supplies

Variable Power Supplies

Variable Power Supplies circuit using 2N3906, LM317, LM337, LM324, MJ2955, 7805, 2N3055, 2N3905 Parts: P1_500R P2_10K R1,R2_2K2 R3_330R R4_150R R5_1R C1_3300µF C2_1µF D1,D2_1N5402 D3_5mm Q1_BC182 Q2_BD139 Q3_BC212 Q4 _2N3055 T1_220V Primary, This Variable Power Supplies circuit has a current limit feature, in case there is a short circuit or other problem places. Here’s a circuit […]

Higher brightness variable circuit

Higher brightness variable circuit using LM334Z, BC558

Infrared Motion Detector schema diagram

Infrared Motion Detector electronic circuit schematic diagram Using TR 2N2222, SY32PT    

45W Audio Amplifier Circuit using STK055

45W Audio Amplifier Circuit using STK055

Circuit diagram 2.45 GHz Bluetooth applications

Circuit diagram 2.45 GHz Bluetooth applications This paper presents segmented current steering CMOS digital-to-analog converter, the design is intended to RF transmitter at 2.45 GHz Bluetooth applications. Source current 2.45 GHz Bluetooth design strategy based on a 2.45 GHz Bluetooth scheme, variable repeatedly adapted to 2.45 GHz Bluetooth simple, minimizing area and power consumption, and […]

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