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Audio amplifier pcb LM391

How to make stereo sound Audio Audio amplifier pcb LM391 ? Audio amplifier circuit using LM391

PCB circuit

Audio PCB circuit for Cellphone using TEA2025 Phone circuit and Audio circuit using TEA2025

How to make SWR measuring Transmitter output Power

How to make SWR measuring Transmitter output Power? SWR is not difficult to make, although the circuit is very simple SWR SWR but it has the function of the transmitter output power measured with any accuracy, and how to add components to SWR SWR-PWR schema. If you change the resistor values increase the componint that […]

sound system equipment

sound system equipment sound system equipment Audio Mixer circuit diagram Using FET This simple circuit mixes two or more channels into one channel (eg. stereo into mono). Parts R1, R3 10K Pot R2, R4 100K 1/4 W Resistor R5 6.8K 1/4 W Resistor C1, C2, C3 0.1uF Capacitor Q1 2N3819 Junction FET MISC Wire, Shielded […]

professional home theater installation

professional home theater installation professional home theater installation professional home theater installation

Power adapter circuit

Power adapter circuit Power adapter circuit +9V using TIP31, BC182 Power adapter circuit Power adapter circuit

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