The Broadcast Electronic
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470-580 MHz UHF TV Transmitter
TV transmitter circuit is working on the UHF channell, 470-580 MHz frequency channel 21-34. This transmitter can radiate as far as 30-100 meters by using a cable 10-20 cm. TV transmitter requires supplies voltage of 9-15 Volt. However, you can also use a 9v batteries. This is an important …
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VHF Video Transmitter for Camera
This is a simple video transmitter that can radiate as far as 50 meters. This video transmitter can be used with the camera as a source. You can view them on VHF channel analog TV. Supply voltage to the transmitter can use 9V battery. Transistor components that are used for a video transmitter is …
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RF Spectrum Analyzer
Below is a two part project for an RF Spectrum Analyzer from QST Magazine. Even if you don't build the project there's some great information in here regarding RF filters, mixers, oscillators and more. Spectrum Analyzer (Part One) A mong the many measurement tools sought by the amateur experimen …
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Audio Limiter/Compressor for Electret Desk Microphones
This electronic circuit is audio limiter compressor specifically designed to use with very low-cost electret desk microphones. Overcomes the heavy attack/decay problems with diode rectifier VOGAD circuits. A TL074 IC was used with a dual supply of +/-5v Note the lack of rectifier diodes in the …
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150 WATT FM AMPLIFIER BASED SD1407
This FM amplifier is originally designed by Broadcast Warehouse, based transistor SD1407 with redrawn schematic and redesigned pcb. You can drive the FM amplifier with maximum 1 watt input for 150 watts output. Working frequency of this fm amplifier is 88-108 MHz VHF band II and Pow …
The Broadcast Electronic
