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 November 27, 2018 81 Comments
Simple AM Transmitter Transmitters are devices that are capable of transmitting audio as radio waves from an audio device. There are two types of transmitters; FM & AM. We have many posts on FM transmitters, so we decided to...
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Single Chip FM Radio circuit

admin October 30, 2018 87 Comments
In this project, we’re building a Single Chip FM Radio. The heart of this circuit is a digital IC – TDA7000. The design involves proper use of inductors and capacitors with correct values. Since the IC is dedicated to...
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Direct Coupled Radio

admin October 30, 2018 1 Comment
In this project circuit, we’re building a Direct Coupled Radio Circuit using an inductor and 3 transistors mainly. This is a very basic, low cost, hobby purpose circuit – just for the learning purpose of “direct coupling” method. If...
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Simple Radio Circuit using Op Amp

admin October 17, 2018 11 Comments
Simple Radio Circuit Op-amp is the short form for Operation Amplifier. It is a device used to amplify voltage, and is very popular due to its high gain amplification. It can often amplify voltage to hundred times of what...
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Radio Collar Transmitter

admin October 17, 2018 No Comments
Radio Collar Transmitter Radio collars or tracking collars are tracking devices used to study animal migration patterns, they are also used to keep tab of endangered species. In India, radio collars are commonly used on tigers to keep track of...
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Long Range FM Transmitter

jacky October 15, 2018 129 Comments
In this project, let’s learn how to make a simple “Long range FM transmitter” at low cost using minimal components. As you can see in the diagram, the circuit is simple, easy to build and test. Let’s begin to...
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