Mini FM Transmitter 2

April 16th, 2009

mini FM Transmitter

This miniature transmitter is easy to construct and it’s transmissions can be picked up on any standard FM radio. It has a range of up to 1/4-mile (400 meters) or more, depending on the line-of-sight, obstructions by large buildings, etc. It is great for room monitoring, baby listening, nature research, etc.
L1 is 8 to 10 turns of 22 gauge hookup wire close wound around a non-conductive 1/4-inch diamter form, such as a pencil.
C4 is a small, screw-adjustable, trimmer capacitor. Read the rest of this Electronic Schematic entry here»

Mini Amplifier

December 17th, 2008

Here is another mini circuit project. This is a Mini Amplifier that have a simple tone control. Here is the Scheamatics

Mini Amplifier

Mini Amplifier

You can comment here if get something wrong with this electronic schematic design

Mini FM Radio Receiver

December 17th, 2008

Here is a small project about FM receiver that you can built with a little cost. The schematic below

mini-fm-radio-receiver

1jyfiytk5byckdg93th0.jpgThis is a very simple kind of receiver. The dificult point is to get the inductor coil, i think there a no electronic store that sell this coil. so you must make it by yourself

Mini FM Transmitter

December 17th, 2008

Below i have finished develop a mini fm transmitter that work fine at frequency 88 – 108 MHz. This is a simple FM Transmitter that can be used in a small city (2-4 Km). Here is the schematics

mini fm transmitter

mini fm transmitter

if you could not understand please feel free to comment here


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