A very basic and small FM transmitter circuit has been discussed in this article, using a single transistor transmitter circuit, which is small yet is able to communicate over a distance of around 100 meter. FM Transmitter Circuit Description The offered system enables us to generate an FM transmitter, which includes an amplified microphone […]
Transmitters
Simple Wireless Headphone Circuit
When somebody thinks about a simple wireless headphone circuit there are a few options that are generally visualized. The simplest of these options is incorporating IR or infrared light through which the audio signal to be transmitted is modulated and processed accordingly, while on the receiver side the signal is again demodulated and amplified appropriately […]
Wireless TV Sound Transmitter Circuit
The post explains how to make a simple RF device which can be used as a wireless TV sound transmitter circuit using a few in expensive electronic parts Hear wirelessly to the audio of your television program on a regular FM radio, or on a Walk-man unit. Anyone can make use of headphones and in […]
Transmitter Circuit with Etched Coil on PCB
This specific transmitter circuit which has etched coil on PCB communicates sound employing tiny sensitive microphone. Transmitter’s frequency, as constructed is tunable through 15pF trimmer to the preferred frequency, and also the coil is inlayed on the circuit board. This particular setup is taken to rebroadcast the outcome of a CD player, tv receiver, or […]
Wireless Cellphone Battery Charger Circuit
This article will attempt to describe the way to build a wireless cellphone battery charger circuit. With a wireless charger you can just get rid of the wires and charge your mobile from any location where the wireless signal resides. Wired connections are always messy. The more electrical gadgets you have at your house, the […]
1 Watt AM/CW Transmitter Circuit
The purpose of this 1 watt am/cw transmitter circuit is to develop a 3 stage broadcast pattern circuit. The primary components you need to build this simple tool are: a) Collector modulated AM oscillator with an amplifier and b) Crystal oscillator integrated circuit. The circuit can be connected with an amplified dynamic microphone or to […]