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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 […]

Universal Laptop Power Supply

Universal Laptop Power Supply using LM741 and 2N3055

Dual Audio Power Amplifier circuit

Dual Audio Power Amplifier circuit using KA2209 Dual Audio Power Amplifier circuit using KA2209 Bridge Audio Power Amplifier circuit using KA2209

60W Audio Amplifier Circuit STK4392

60W Audio Amplifier Circuit STK4392 Class G/H headphone amplifiers. No compromise to power/performance on Sanyo Amplifiers ISO 9001 certified, full warranty

stk audio ic 60W

stk audio ic 60W 60W AF Amplifier With STK-0060II circuit diagram

555 timer MCT2E opto-coupler

The main components used are 555 timer MCT2E opto-coupler The main components used are 555 timer MCT2E opto-coupler

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