Circuit Project Electronic

TX300 300mW FM Transmitter by BC549
Friday, October 10th, 2008

Here it is a brand new TX300 FM transmitter. The amplifier has exactly the same architecture as TX500 with the difference that TX300 has only one stage variable VHF amplifier. It is a cute schematic that was made for all of you who wanted something even simpler than TX500 and with not as many necessary [...]

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Simple Square wave Generator by BC549
Thursday, August 14th, 2008

Three switchable frequencies: 100Hz, 1KHz, 10KHz
1.5V battery operated, minimum parts counting
Read more : Simple Square wave Generator by BC549

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