Sunday, August 24, 2014
BH1417 PLL FM Stereo Transmitter
Another vital feature of this IC is that the transmission frequency can be set employing a 4 channel DIP switch. The IC can be powered from something between 4 to 6V DC and has an output power around 20mW. At full output power the circuit consumes only 20mA and has a channel separation of 40dB. There are 14 potential preset transmission frequencies, starting from 88.7MHz and incrementing in steps of 0.2MHz that can be selected using the DIP switch. The PLL circuitry of the IC is so precise that theres practically no frequency drift.
Labels:
bh1417,
fm,
pll,
stereo,
transmitter
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