fm tranceiver

ZL SPECIALE for 10 M - A drawn of a ZL Special antenna for the 10 meter band or 28 Mhz

ZS2FM 50MHz High Gain Antenna - An high gain yagi antenna for six meters band

Simple 75 ohm Coax Balun - A simple current balun for the FM broadcast band

How to Make a Great 9:1 RX Transformer - There are lots of good designs for matching transformers for receiving antennas. Make it yourself it's cheap and easy, and very high performance. This is the design used in the TRX-9 transformers.

Beverage transformer notes - Notes on beverage transformers collected by N1EU

Beverage and transformers - Why Beverages need good transformers by VK3APN

Connecticut Valley FM Association - Claremont, NH

NM-ARTS - Amateur Radio Technical Society - A hardware and software project group to support learning and creation radio circuits, general electronics, and uProcessor control systems

Makidenki - Transvertes, AO-40 Convertes, FM-TV transmitters UHF loop antennas

FMI - FMI provides superior solutions in the design and manufacture of frequency control devices including Voltage Controlled Temperature Compensated Crystal Oscillators (VCTCXO), voltage controlled crystal oscillator (VCXO), Temperature Compensated Crystal Oscillators (TCXO), crystal clock oscillators, high temperature oscillators, surface mount and crystal oscillator products, phase locked sources and more.

Weller - Soldering machines and irons

BCFMCA D-STAR System - British Columbia Frequency Modulation Communications Association

FM Repeater Database - Via this interface you have access to one of the biggest databases on amateur radio voice repeaters.

Rhode Island Amateur FM repeater service Priority listing - This website explains coverage and construction for our repeaters. Includes useful links and an insight into the Ham community in Rhode Island

Mid-Latitude Sporadic-E (Es) - This article was originally written in response to a brief review of the basics of sporadic-E

The IC-756 a Step Forward - The IC-756, a Step Forward for HF and six metre DX by Frank van Dijk, PA3BFM

Yaesu VX-3 Features - A complete product page about the Yaesu VX-3 ultra-compact VX-3R 2m/70cm FM HT Transceiver

Amplifier for 15 and 17 meter band - The two linear amplifiers are ment for use with QRP SSB/CW/FM/AM transmitters on the amateur bands 15 and 17 meters can be powered from a 12 volt DC supply by ON6MU

Microwave RF Amplifier Design Tutorial - This tutorial will set out the design stages required to design a theoretical microwave amplifier

Description of CB Controls - A basic glossary of main controls you can find in a CB Radio

Antenna Coupler - Schematics of antenna couplers in french

What's a diplexer? - It's a network that splits a signal to two or more loads, dependent on frequency. It is the simplest form of a multiplexer, which can split a signal into many different signal bands.

5th order High Pass VHF Filter - Sometimes many VHF-UHF modern transceivers have problems with BROADCAST Interference and CROSS-modulation from FM commercial broadcast stations this article shows a simple Batteworth HI-Pass VHF Filter to reduce this problem

QRP tranceiver for 80 and 40 meters - QRP 5W trasceivers using 6C4 and 5763 Tubes for 40 and 80 meters band

80m QRP CW Tranceiver - Crystal-controlled QRP tranceiver by F6BCU for 80 meters band 1W output