We love re-purposed consumer gear. This project uses a cheap, discontinued cellphone gadget to create a Raspberry Pi controlled FM radio transmitter. The Sony-Ericsson MMR-70 radio transmitter ...
Radio World Buyer’s Guide articles are intended to help readers understand why their colleagues chose particular products to solve various technical situations. This month’s articles focus on ...
This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transistor BF200 (T2), a driver built around transistor ...
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