This SMD FM transmitter has an operating frequency of about 80 to 115MHz. Under reasonable circumstances you will be able to receive its signal at a distance of about 200 meters. Although it is low-power, it might be illegal in your part of the planet. Here's the circuit: Depending on the electret microphone you use, you might have to tweek R4 to set the gain of the pre-amplifier. Depending on the Q of the LC-part (usually not very good when using off-the-shelf SMD parts) you may also have to re-bias the end stage of the circuit. You can download the PCB design here (only 2.5Kb). It's a double-sided PCB in CorelDraw 3.0 format (zip compressed). Stereo Coder Pemancar FM (dari berbagai sumber) A small FM transmitter.
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3 komentar:
Waduh hobbi juga elektronik pemancar. Siip deh, jalan-jalan cari yang sehobi, sukses selalu
Salam,
Iman
pemancartv.com
Tnx brow....
mas salam kenal dan kalau boleh bisa kirimin data yg jelas + skema + layout pcb encodernya............trm kasih. agus.temy.gunawan.bloem@gmail.com
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