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Posts tagged ब्रॉडबैंड

Schematic diagram for a broadband QRP SWR metering circuit and SSB TRANSCEIVER 80M / 40M boster filter IF Radio

A schematic diagram for a broadband QRP SWR metering circuit for use in a QRP antenna tuner. One could simply hold a momentary DPDT switch down and watch the LED while tuning the capacitors of the antenna tuner for minimum or zero light.

Energy Meter circuit

Energy Meter circuit using ADE7756AN, PIC6F62BA, LM2940CT-5, 1N4004, STP30NE06L

Drives 10 LEDs

The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs

Aiphone intercom systems – 60W Intercom circuit Using Transformer

Aiphone intercom systems – 60W Intercom circuit Using Transformer Parts R1 ………………………… 5K6 R2,5,9 …………………….. 100 R3 ………………………… 47K R4 ………………………… 470K R6 ………………………… 12K R7 ………………………… 68K R8 ………………………… 33 R10 ……………………….. 56 R11 ……………………….. 1K5 R12,13 …………………….. 1K R14,15 …………………….. 0,22/ 5W R16 ……………………….. 3K C1,4,5 …………………….. 104pF C2,3 ………………………. 47uF/16V C6 ………………………… […]

Basic Audio Amplifier Circuit

STK058 24w Basic Audio Amplifier Circuit 24Watt Per Channel Stereo Amplifier. High power amplifiers were not my thing but when I realized that music from …………… STK058 24w Audio Amplifier Circuit A simple 24 watt audio amplifier The solderless breadboard makes it easy to experiment with additions to the audio circuit. decided that it was time […]

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