AM receiver circuit using MK484

admin February 22, 2011 14 Comments
MK484 AM receiver circuit  Description. A simple AM receiver circuit based on the MK484 AM receiver IC from Rapid Electronics Ltd is shown here. MK4844 is a monolithic integrated circuit that has all the necessary sections of a AM...
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Simplest FM Transmitter.

admin March 7, 2012 19 Comments
Description. Here is the circuit diagram of the simplest FM transmitter using a transistor. Great performance or range is not guaranteed here, because this is an elementary design. General purpose radio frequency transistor BF 494 (Q1) is used here...
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Aircraft radio circuit

admin January 24, 2012 9 Comments
Description. Here’s a low cost radio circuit that can be used to listen to the radio conversations between aircrafts. The radio circuit based on transistor 2N918 and diode 1N82 receives in the 220Mhz to 400Mhz range. Capacitor C1 and...
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AM Transmitter circuit

admin February 28, 2011 81 Comments
Simple AM Transmitter Description Here is the circuit diagram of a simple AM transmitter circuit that can transmit your audios to your backyard.This circuit is designed with limited  power output to match the FCC regulations and still produces enough...
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Single chip FM transmitter circuit

admin February 24, 2011 20 Comments
Single chip FM transmitter Description Here’s a single chip FM transmitter circuit using Maxim semiconductors IC MAX2606. The MAX2606 is a compact, high-performance intermediate frequency VCO specially designed for wireless communication circuits. They have monolithic construction with low-noise and...
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Single Chip FM Radio circuit

admin February 22, 2011 87 Comments
Single Chip FM Radio Description. Here is a compact low cost FM radio circuit using IC TDA 7000. This circuit is designed as per the data sheet and the result is excellent.Ideal for all category of electronic enthusiasts. The...
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Direct Coupled Radio

admin February 22, 2011 1 Comment
Direct Coupled Radio Circuit Description Here is the circuit of an excellent direct coupled radio ideal for listening to near by stations.The circuit uses Q1 as a diode detector and first audio amplifier.The detection is across the first emitter...
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Simple Radio Circuit using Op Amp

admin April 11, 2011 11 Comments
Simple Radio Circuit Description This is a low cost simple radio circuit  based on op amp which can be used to listen to nearby stations. A simple op-amp radio basically consists of a crystal radio along with a fairly...
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Radio Collar Transmitter

admin April 27, 2011 No Comments
Radio Collar Transmitter Description This is the circuit diagram of a radio transmitter suitable for fitting on radio collars.The circuit transmits a pulse in the FM between band 88MHz to 105Mhz , which can be adjusted.IC Ne 555 is...
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Long Range FM Transmitter

jacky March 27, 2012 129 Comments
How to make a long range FM transmitter at low cost Description The use of transmitters which have a more powerful output than the ‘flea-power’ are sometimes required when there are many obstacles in the path of the surveillance transmitter and...
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