rf amp circuits

Cross-Field-Antenne - CFA and EH Antenna samples in german

DARC Ortsverband Dusseldorf R01 - Deutscher Amateur Radio Club - Ortsverband Düsseldorf, R01

K¤ARF Keeping Amateur Radio Fun - Keeping the fun in amateur radio with portable operating events and some contesting. Located in central Minnesota, U.S.A.

AMPR Access in North Italy - Multiservice server accessible from either PacketRadio network and Internet

QRZ.RU Russian HamRadio Server - Free Russian hamradio server special for radiofanats from CIS. Search engine on callsigns, electronic circuits and hamradio programs in www powered with knowledge base.

DX info e-group - "The site of the e-group ""DX INFO"" Cluster, contests, dx info"

Scanner feed tutorial - This tutorial is designed to help the average person get his scanner feed on the net pdf file

Mutek - Transverters, amplifiers and low noise preamplifiers

TE Systems - Manuf RF power amplifiers wideband+narrowband for Commercial, Defense, OEM and amatuer markets. Also low-noise rf amplifiers

Gizmotchy Antennas - The Gizmotchy high performance horizontal and vertical beam antenna for 2/6/10/11 meter bands

WaveSources - RF and microwave oscillators and synthesizers to 10 Ghz

OZ9AAR Carsten - EME, Amplifiers and projects

MFSK16 Reference Documents - Performance Reports, Sound Samples and specifications of MFSK mode

K4SET, Soundcard Digital, MFSK - "MFSK and the SoundCard Digital Software Revolution"" by K4SET and WD4HVA"

N9VV PSK31 Resources - Software, reference and reviews of computers interfaces for PSK31 operating mode

ND2X QRO via Russia - Data about surplus Russian tubes and examples of PA's which use them from HAMs

RigPix Database - Images and technical details of thousands of transceivers, cb radios, rotators, rf amplifiers scanners and accessories, by SM0OFV

EB8BEE Victor - Metbee Station NOAA and METEOR Meteorological Satellite Pictures and Marine RF Power Amplifier

Cool QSL - QSL print service - QSL print service online from poland with lots of printed card samples

Radio DX Center - French distributor for Palstar, Nagoya, Emotator, Belden, Vimer, RM, Batteries compatible, RF connectors... dealer for Kenwood, Alinco, Icom, President, Sirio, Syncron, Midland... Manufacturer for I.T.A. Antennas

Going Postal Ham Radio T-shirts Priority listing - Going Postal produces unique and colorful t-shirts using postage stamps featuring ham radio or electronics themes.

SRL QuickSilver QS1R VERB - The QS1R VERB is the most advanced open source digital down conversion (DDC) receiver board on the market. It features a Linear Technologies LTC2208 16 bit, 130 MSPS Analog Digital Converter (ADC) and an Altera EP3C16 Cyclone III FPGA. Connectivity to the PC is through a high speed USB 2.0 interface. QS1R covers 15 kHz through 55 MHz in its standard configuration and can be used in undersampling applications to 300+ MHz.

The Radio-Frequency Ground - You were told that your audio was no good, that you had "RF in your audio ? This is also known as RF feedback

Build your hamcomm interface - This is the small easy to build interface that will allow you to receive most all the digital modes on you shortwave radio.

A secure power supply - Dchematics and photos of a secure power supply (short-cut, Rf feedback, high voltage etc.) by iz7ath