Wednesday, January 28, 2009

My ET-1 / FETer (Transceiver Made with One FET)

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Magnificent, don't you think? This is my version of the ET-1 or FETer. It is an HF transceiver using only one active device -- a singl...
3 comments:
Monday, January 26, 2009

Minimalist Radio: The ET-1 and the FETer

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SPRAT # 137 (Winter 2008-2009) has a number of great articles on minimalist radio -- very simple rigs with low parts counts. Roger G3XBM ha...
Sunday, January 25, 2009

The SolderSmoke Store: T-shirts, Caps, Mugs, Bumper Stickers, MORE!

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http://www.cafepress.com/SolderSmoke A while back, a SolderSmoke listener suggested that we open up a T-shirt store. That was a good idea. ...
4 comments:
Saturday, January 24, 2009

My Frequency Counter. FIXED!

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I mentioned my broken frequency counter... Tony Fishpool, G4WIF, of G-QRP sent me a replacement CMOS chip. The counter is now counting be...
2 comments:

A. Frederick Collins - Radio Pioneer from my Hometown

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I've been reading "Empire of the Air" by Tom Lewis, and I've been struck by how much radio history took place in the Hudso...
Friday, January 23, 2009

Degenerative Feedback and Distortion Reduction

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Continuing on negative feedback, on SolderSmoke I recently asked for help in understanding why negative feedback is said to "reduce dis...
1 comment:
Thursday, January 22, 2009

Busted... By the FCC

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When I was a kid, I lived in fear that one day men in black suits from the Federal Government would appear on the front steps of our house ...
Tuesday, January 20, 2009

The Power of QRPp with QRSS (very low power, very low speed)

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Here is a screen-shot taken in New Zealand back in 2006 (ah, the good old days, back when we still had a few sunspots). Colin, G6AVK, desc...

Beta Independence (an explanation from 1941)

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We've been talking about why negative feedback renders irrelevant even large variations in the gain characteristics of individual tubes ...
Sunday, January 18, 2009

SolderSmoke 99

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SolderSmoke99.mp3 January 18, 2009 Epiphany in Rome -- La Befana brings two Gerbils (Dot and Dash) Ice skating near (but not on!)the Tiber Q...
1 comment:
Saturday, January 17, 2009

Homebrew Rigs from WA7MLH

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Jeff Damm, WA7MLH, was the builder of some of the rigs that appear in "Solid State Design for the Radio Amateur" His DSB/CW Direc...
1 comment:
Thursday, January 15, 2009

International Year of Astronomy -- 2009

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Hey, the signals are electromagnetic. They are very QRP. And the receivers (well, at least the "amplifiers") are often homebrew...