Note: The text is AUTO translated from Greek version Many times we needed to strengthen a small signal in the region of VHF or FM, or it is we lead a body, or a receptor. The preamplifier that to you we propose offers 20dB in all the region of VHF and it still can reach [...]

The circuit presented here is a simple audio/video transmitter with a range of 3 to 5 metres. The A/V signal source for the circuit may be a VCR, a satellite receiver or a video game etc. A mixer which also operates as an oscillator at VHF (H) channel 5 TV frequency is amplitude modulated by [...]

There is a lot more to designing an FM transmitter, than meets the eye. Here is a typical FM transmitter circuit. It consists of 3 stages. An audio amplifier, RF Oscillator and RF output. Read More Source : http://www.talkingelectronics.com/te_interactive_index.html

L1 – 3.5 Turns Variable Coil BA1404 IC 38KHz Crystal ANT – 30 cm of copper wire Whether you want to create your own radio station, transmit the music around the house, or simply create a wireless link between your iPod and a receiver in your car, this transmitter will let you do these things [...]

Circuit avid Kwaku Celestin – Ghana, West Africa Email :mightycelestin@yahoo.co.uk Description: A VHF band TV transmitter using negative sound modulation and PAL video modulation. This is suitable for countries using TV systems B and G. Notes: The frequency of the transmitter lies within VHF and VLF range on the TV channel, however this circuit has [...]

Download schematic with pcb design

Here is a simple transmitter that when connected to a phone line, will transmit anything on that line (execpt the dial tone) to any FM radio. The frequency can be tuned from 88 to about 94Mhz and the range is about 200 feet. It is extremely easy to build and is therefore a good, useful [...]

Small Fm Transmitter