Fm Transmitter Circuit Pdf. Generally the fm transmitter uses vhf radio frequencies of 87 5 to 108 0 mhz to transmit receive the fm signal. Fm radio transmitter circuit board the basic difference between am radio and fm radio is included in their names.
Stereo fm transmitter using ba1404 ic this is a stereo fm transmitter circuit using an ic from rohmm semiconductors named ba1404 which is a monolithic ic and has a built in stereo modulator fm modulator rf amplifier circuitries. Low power radio broadcasting by james r. Drift will be 18 36 khz at the antenna.
Fm tracking transmitter it is nothing but a 555 timer tone generator at the audio input.
Fm transmitters example assume fc drift 40 ppm degree 40 x 5 1 204hz. You can get a condenser microphone unit in low price. Here we have adapted the same formula by first amplifying the audio signal generating a carrier signal using an oscillating and then modulating the carrier signal with the amplified audio signal. Generally the fm transmitter uses vhf radio frequencies of 87 5 to 108 0 mhz to transmit receive the fm signal.
