TDA7000 FM Radio Receiver Circuit

Posted on Feb 5, 2014

The TDA7000 is a monolithic integrated circuit for mono FM portable radios or receivers where a minimum on peripheral components is important (small dimensions and low costs). The IC has an FLL (Frequency-Locked-Loop) system with an intermediate frequency of 70 kHz. The i. f. selectivity is obtained by active RC filters. The only function which needs alignment is the resonant circuit for the oscillator, thus

TDA7000 FM Radio Receiver Circuit
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selecting the reception frequency. Spurious reception is avoided by means of a mute circuit, which also eliminates too noisy input signals. Special precautions are taken to meet the radiation requirements.

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