FREE CIRCUIT DIAGRAMS 4U: Simple radio circit diagram

Free Electronic Circuits,Schematic Diagram,Circuit Diagrams

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Electronic Circuit,Schematic Diagram,Circuit Diagrams

electronic circuit, circuit diagram, circuit schematic, schematic diagram, electronic diagram, audio, amplifier, power supply, guitar effect, current loop, current limiter, video, receiver, transmitter, transceiver, transistor, radio frequency, rf, active filters, digital, analog circuit, pwm, micro controller Free download

Friday, May 13, 2011

Simple radio circit diagram

some persons asked simple radio circuit diagrams.Here you can see very simple circuit diagram.When I tested this my first time I enjoyed very much.When the signals are coming you can here some sounds like ne ne nee nic nee nee nee nee.so test this and enjoy.

Note:

# Don't use more than 4.5V

# Build this on a pcb

#If the signals don't come move the main coil here and there then you can here some sounds.

# Firstly this circuit was designed by Elmer G. Osterhoudt in the early 30's

7 comments:

Nipuna said...: This is a bit confusing. Can u help me?
Where would the + and - terminals from the power source be connected?
How many turns should be on the coil?
Is the coil tapped in the middle as the diagram suggests? thanks; June 16, 2011 9:40 AM
Zam said...: 1) Yes this is taped at the middle( after turning 1/3 )

2) According to the Gage that you use and according to the turns that you turn the frequencies are changed.L1: about 30-35 feet of 22-gauge enamel wire.

3)This circuit doesn't need battery power it runs with the power of radio waves; June 18, 2011 8:59 AM
aisha said...: I would really like your post ,it would really explain each and every point clearly well thanks for sharing.
2009 Ford Pick-up Truck AC Compressor; June 25, 2011 9:22 AM
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I Like It; August 14, 2011 9:28 AM
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Isuzu FXR Truck Turbocharger; September 11, 2011 10:36 PM
Kiran said...: dear sir,
what should be connected to J1.please replay me fast.

thank you; November 18, 2011 5:15 AM
Zam said...: J1 is a headphone jack you can jack your head pone jack for there.; November 19, 2011 11:48 PM