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Step 2: Final Step

Use a heatsink to enclose the circuit mount this on a 9v battery clip. Tune over the radio till u get an aduio output on your mobile. For best result use android phones. This circuit provides a clear audio output before testing it on a android use a high signal radio to find the perfect band tune the presets to get a required band as almost the entire fm band is filed with stations. For the antenna use a small 5cm copper wire . This whole circuit cane also be soldered board less on to a 9v battery clip. But use the heat sink to keep the circuit in one piece . If you don't get a signal check for the connections try changing the coil .
 
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