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Wireless Headphones Receiver Circuit

The wireless headphones receiver presented is an standard application of ZN415 produced by Ferranti ( short wave receiver). ZN415 assures a quality reproduction, has a 1.5 V battery alimentation and contains a MA detector and audio amplifier.

The current consumption is < 5mA, L1 has 40 turns, 0.2 Ø copper and 20mm Ø ferrite. C1 is adjuted with an non metal screw, the reception frequency of this wireless headphone receiver is between 1.7MHz and 3.4MHz – shortwave receiver.

This wireless receiver is to be used with this wireless headphones transmitter.

Wireless headphones schematic

wireless headphones receiver

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