1.
K3MRG's 40 Meter Driven Phased Array
I first built this antenna about 1980 and it did an excellent job. ... The coax should be cut to a multiple of 1/2 wave length at 7.2mhz unlike the element length ... let’s consider a simple resonant half wave dipole mounted at 60 feet. ...
2.
Heathkit SB220 - K0GKD
The Heathkit SB-220/221 Vintage Linear Amplifier ... Heathkit produced thousands of the models SB 220 and SB221, 20 plus years ago, and there are still many ...
3.
Heathkit SB-200
One of the best buys on the market today is the Heathkit SB 200 and SB201. These old workhorses were built 20 plus years ago, and there are still a whole ...
4.
Heathkit SB220 - K0GKD
Heathkit produced thousands of the models SB 220 and SB221, 20 plus years .... In my modification I replaced the original eight with new capacitors that were ..... T-1 (10 meters) 0.l5 uH. 4 turns #14 AWG on 1/2"-inch form, 1/2-long. ...
5.
Amateur Radio Projects
SOLID STATE MOSFET HF AMP 600 Watts Output ... SB-220 or SB-221 Heathkit Amp Using Eimac's 3-500Z - K0GKD ... Drake L4B - Rebuilding This Great Old Amp ...
6.
High Power Solid State Amplifier
His application EB104 seemed to me to be the best and most practical design for ..... (You can download the EB104 application note from the Communication ...
7.
Heathkit SB-200
He would only certify that when the amplifier was turned on the power ..... The SB200 like most amplifiers has built in voltage meters that tell you the ...
8.
Amateur Radio Projects
SOLID STATE MOSFET HF AMP 600 Watts Output · Using four Motorola MRF150 MOSFETS ... SB-200 - The best amplifier on the market for. the money - K0GKD. ...
9.
High Power Solid State Amplifier
Solid State Amplifier. High Power Solid State 600 Watts Output. Motorola MRF 150 FETs. K0GKD. Tom Sowden. www.k0gkd.com. (See June QST 2006) ...
10.
Heathkit SB220 - K0GKD
Heathkit produced thousands of the models SB 220 and SB221, 20 plus years ago, and there are ... The SB-220 schematic you show has a very glaring error. ...
