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Archives for USB charger battery

USB charger battery

USB charger battery USB charger schematic diagram for li-on battery using LM3525, LM3622, DTA1432KA USB port is a great power source for charging a single cell li-on battery. … cell li-on battery charger. LM3525, LM3622, DTA1432KA is used as the controller.

Police siren circuit

Police siren circuit using BC547, 555 Police siren circuit using BC547, 555 IC1 555 RV1 1MΩ Q1  BC547 Q2  BC547 R2  1K Ω R3  1K Ω R5  330 Ω R6  680 Ω R7  680 Ω RV2 50K Ω RV3 50K Ω C1  33 µF C2  10 µF C3  1 µF C3  1 µF C4  1 […]

25W FM DSP transmitter

Booster 25W FM DSP transmitter using 2SC1971

Satellite TV Receivers

Satellite TV Receivers Circuit 2.7GHz Frequency Synthesizer For Satellite TV Using TD7626F and TD7626FN Satellite TV circuit Using TD7626F and TD7626FN

bass treble mid-range

Bass treble mid range audio circuit without power supply

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