FM Radio IC TDA7000 Schematic

Sunday, August 2nd, 2020 - Radio Frequency

FM radio receiver circuit is an FM receiver made by IC TDA7000. The circuit uses IC TDA7000 FM receiver can be supplied with a DC voltage of 2 volts DC to 12 volts DC. FM radio receiver circuit includes a series of simple because it uses the TDA7000 IC. IC TDA7000 IC is designed specifically as an FM receiver. IC TDA7000 is an FM tuner that uses a system of FLL (Frequency-Locked-Loop) to the IF frequency of 70 KHz. Complete schematic FM radio receiver using the TDA7000 IC can be seen in the following figure.

FM Radio IC TDA7000 Schematic

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Fm radio receiver circuit uses a simple TDA7000 IC because the IC TDA7000 has to have the FM receiver as follows.

  • RF input stage
  • Mixer
  • Local oscillator
  • IF amplifier / limiter
  • Phase demodulator
  • Mute detector
  • Mute switch

FM radio circuit use IC TDA7000 as shown above can receive a radio frequency emission from a radio transmitter with a frequency range from 70 MHz reception up to 120 MHz. FM radio receiver circuit use IC TDA7000 has a high selectivity for tuning the system using the TDA7000 IC technology FLL (Frequency-Locked-Loop) with a degree of selectivity is controlled by the RC circuit. FM radio receiver circuit by IC TDA7000 has a current consumption is low enough so that the range of 8 mA can be operated with batteries for a long time. Audio output signal from the FM receiver circuit TDA7000 IC is still mono, to get stereo-quality audio signal to be added stereo demodulator circuit.

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