power amp

FVR Spitfire Array - The Powerpoint presentation below was given by Fred Hopengarten, K1VR, at the 1998 Dayton Hamvention Antenna Forum

How To Make A Homebrew 4:1 Balun  ^pop - I built a homebrew 75 meter Double Extended Zepp Antenna, And I needed a 4:1 Balun So I decided to Homebrew the Balun also. Here is how I did it!

KB1DIG's 2 Meter Antenna Design Gallery  ^pop - Home-brew antenna designs for VHF. 2-meter colinears, 2-meter Halo, and 6-meter Halo

W8JI Technical pages  ^pop - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.

Anthony Welsh Ltd. - A great source for hard to find HI END & power tubes & sockets, various capacitors, vacuum relays, various keys and paddles.

FRS Specifications - FRS frequencies, antenna and power limitations

DARC OV M05 - hamportal with many news and german links for hams.

Amateur Packet Radio Gateways - You'll find more than 330 Amateur Packet Radio Gateways on world maps.

Xforce Amplifiers  ^pop - Makers of the Xforce Amplifier

Leitner Elettronica - RF Amplifiers for HF VHF UHF

Hidden and stealth antennas  ^pop - Antenna Restrictions, Power Restrictions, RFI Problems, or Limited Space keeping you off the air?

KN4LF Daily Solar Space Weather & Geomagnetic Data Archive - An archive of daily solar, space weather & geomagnetic data.

South East Michigan Scanner Page - A resource for scanner owners in the Detroit metro area, and surrounding counties. Featuring frequencies and information about public safety scanning.

ScannerWorld.com - Radio Scanners Uniden Bearcat, Antennas, CB_Radios, Ni-Cad Batteries, Frequency Books, Accessories, Power Supplies and Cords, FM Two Way Radios, and other Related Merchandise

Difona Communication GmbH - Transceivers, anntennas, PA, power supplies, accessories from Kenwood, ICOM, Yaesu, MFJ, ACOM, DAIWA, Diamond, DXSR, Alinco, Ameritron, ETM, Fritzel, UKW Technik, AOR, Bencher, Create, G.B., Heil, Hotline, Maldol, Tonna, Titanex, Outbacker, Hy-Gain, Mirage, SCS, SGC, SSB Elektronik

MJ Products - Wholesale distributor of CB radios, parts, antennas, microphones, power supplies, crystals, echo boards, expanders, meters and CB accessories.

Radio Pro Shop - 11 Meter CB, 10 Meter Amateur Ham, FRS, GMRS Radios, Test Meters, Scanners, Antennas, Microphones, Power Supplies, Inverters, Accessories and Technical Reference Information.

QRO via Russia - Power amplifiers from amateur radio operators around the world which are designed/built using Russian tubes.

2 m. Band VHF PA 5 Watts - A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum

Six Meter Heliax Duplexer Construction - Duplexer capable of handling a high power 500khz split six meter repeater.

Radio QRP - The Art of Low Power - QRP is The Art of Low Power Radio where the challenge is to operate and/or build AM radio transmitters usinga bare minimum of components, money and construction skill.

QRO GU-84B TETRODE Priority listing - GU-84B Homebrew HF Amplifiers

A 20 Ampere / 13,8V power supply  ^pop - A 20 ampere and more 13,8V power supply for RTX

Z Match for Higher Power - Single coil Z match witch handles the power of the linear amplifier

IK4AUY Sergio - Advanced QRP Low Cost Mosfets HF Linear Amplifier with schematics, IMD, gain data and more. Six articles about amateur radio.