600W – still going on

I had high hopes working on the project over the xmas time, but it turned out to be a very busy time, followed by a hectic work schedule, traveling etc… So after not being able to take part in the CQWW 160m contest due to lack of equipment I started the work again. I [...]

600w update - pdf's

Here are some excellent pdf’s from the father of the EB104

QST_Dec_1982_p13-16

QST_Jan_1983_p30-33

Motorola-600 Watts RF Power FETs EB104

And here are some of the best links I have found:

crazy italians (must stop this music!): http://i5uxj-2.cln.it/amp/amphf150/amp150.html

This is a good page, if not the best.. : http://www.g4apvweb.pwp.blueyonder.co.uk

One more: http://oh8jep.kotinet.com/eb104.html

This is perhaps [...]

Update Nov 20.

So, day7 in the H1N1 swine flue s***… just starting to gain consciousness

Got my way to expensive Mouser order today – happy that the FedEx charge was 0.00 usd… so they just smeared that on the rest of the components. Only reason I used Mouser was the selection of 1000v silver-dipped-mica capacitors, they [...]

600W process report

This is based on the Motorola EB104 bulletin:

EB104 amplifier board ordered from Communications Concepts, including 4x MRF150 Omron 12V Relays ordered from Ebay – used for TR switching and filter selection Toroids and accessories orderd from Amidon Large heatsink gotten from my father, TF3T 1200VA toroid transformer was bought in my trip [...]