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Single Chip FM Radio circuit

2018-05-02 04:28  
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Single Chip FM Radio

Description.

Here is a compact low costFM radio circuitusing IC TDA 7000. This circuit is designed as per the data sheet and the result is excellent.Ideal for all category of electronic enthusiasts.

The TDA7000 is a monolithic integrated circuit for monoFM portable radios,where a minimum on peripheral components is crucial. The IC TDA 7000 has a Frequency-Locked-Loop system with an intermediate frequency of 70 kHz. The intermediate frequency selectivity is achieved by active RC filters. The only function which needs alignment is the resonant circuit for the oscillator, thus selecting the reception frequency. Spurious reception is avoided by means of a mute circuit, which also eliminates too noisy input signals. Special steps are taken to meet the radiation requirements.

FM Radio Circuit Diagram with Parts List.FM Radio Circuit

Notes

For L1 and L2 wind 5 turns of 0.6 mm enameled Copper wire on a 4 mm dia plastic former.For antenna use a 50mm long insulated copper wire.IC TDA 7000 can withstand up to 10 V supply voltage.But I recommend 6V.Use an 8 Ohm speaker or Headphone at the audio output.

We have more Radio Circuits with us, which you may like to read:

1. AM Receiver Circuit

2. Low Cost AM Radio

3. FM Transmitter using UPC1651

4. Simple Radio Circuit

5. Antenna Tuner Circuit


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