RF Circuit
Radio Frequency Circuit
iTrip FM Transmitter
iTrip FM Transmitter Review The iTrip FM transmitter for the iPod can play your music through any FM radio in your car, at a party, wherever the mood strikes you and you have a radio. It’s clear that the iTrip is made specifically for the iPod. This gives iTrip advantages over similar devices. For example, with the iTrip, you can [...]
Radio Transmitter
5W PLL FM Radio Transmitter Circuit Here’s easy to build high-quality PLL Radio Transmitter for FM broadcast, with typical output power of 5 W and no-tune design. The transmitter includes RDS/SCA input and Audio/MPX input with optional preemphasis. It can be used with or without stereo encoder. Tuning over the FM band is provided by two buttons that control dual-speed [...]
VHF Radio
VHF Radio FM Transmitter Circuit Here’s a VHF Radio FM transmitter. This project is a simple VHF FM transmitter using only one crystal and will cover 145.00 to 146.00 MHz. The crystal is a 44.9333 MHz crystal for 145.500 receive, as used in the Trio (Kenwood) 2200, PYE, Motorolla, Tait equipment, to name but four. The frequency of the crystal [...]
RF Wireless
FM RF Wireless Circuit Here’s a RF wireless FM transmitter can be built with simple, affordable and widely available parts. Construction is fun and much can be learned although performance is modest; for example, your voice gets difficult to hear at distances greater than 25 feet. This FM transmitter is far from perfect offering only modest performance. First, tuning the transmitter [...]
FM antenna
How to Build a Dipole FM antenna The antenna rod is made of 6 mm copper tube I found in a shop for cars. It is actually tubes for the breaks, but the tube works great as antenna rods. You can use all kinds of tubes or wire. The benefit of using a tube, is that it is strong and [...]
