Simple radio circuit Diagram

Already  Free Circuit Diagrams 4u has given you many radio circuit diagrams this is also a simple radio circuit.You don't want to supply extra power for this circuit this circuit is powered up with radio signals.The parts are mentioned bellow


 D1: 1N34 germanium diode
J1: 1/4-inch, 2-conductor headphone jack   
 C1: 1000 pF mica or disc ceramic trimmer
C2: 40 to 500 pF trimmer capacitor
C3: 365 pF variable capacitor
L1: 35 feet of 22-gauge enamel wire.

#  Note:    Try to test this circuit doing changes for the coil then you can get best result 

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