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Archives for July, 2015

Stereo Power Amplifier

68W Power Amplifier schematic   68W Stereo Power Amplifier using TR A673, C828, C1213, D438, B560, TIP31 and TIP32

Static Voltage Stabilizer circuit

Regulator Negative Bias Supply 424V to 600V DC, -42V DC

Electronics Schematic Diagram Infrared motion detector

Electronics Schematic Diagram Infrared motion detector PIR325 sensor has two sensing elements connected in a voltage bucking configuration. This arrangement cancels signals caused by vibration, temperature changes and sunlight. A body passing in front of the sensor will activate first one and then the other element whereas other sources will affect both elements simultaneously and […]

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 […]

600Hz Filter for Digital driver

600Hz Filter for Didital driver and Power Supply using TL072

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