Tag Archives: receiver
Another radio, another VXO
Well, another holiday season has steamrolled past, and as usual the need to celebrate rose to the top of the charts once again. My lovely XYL is always on the lookout for a ham radio themed holiday present for me, … Continue reading
Together Again (for the first time)
Summer is winding down, and a lovely summer it was. I think the weather here in the Northeast was the best I can remember for quite some time. Sure, we had some beastly hot, humid days, but on the whole … Continue reading
Snowy day, new glue.
We’ve had the first snow of 2016, and it was a doozy. “Winter Storm Jonas“, as it was named in the media, was a nor’easter that roared up the east coast dropping record amounts of snow. We got our share, … Continue reading
A complete digression.
Happy New Year. Now that the holidays have passed and time has started to free up a bit, I’ve found my way back to the bench and started to resume experiments on a space charge tube regen, And while I … Continue reading
My infatuation with boat anchors has begun to reassert itself this summer, with the sudden acquisition of a Drake-2B receiver. I like working with separates: a tube transmitter like the W1TS Simple Transmitter or the QRP Blowtorch, and a vintage receiver … Continue reading
Is there a pentode in the house?
I’ve had a little ham radio down time, as this relentless winter rewarded me with a late winter virus that laid me low for a few days. But, back on my feet and at the bench again, with some new … Continue reading
Mysteries of the Triode Revealed.
Update: My understanding of inter-electrode capacitances was incorrect as described originally in this post, and I wanted to set the matter straight before I confuse someone else: The small inter-electrode capacitances in the tube present less and less reactance as … Continue reading
Lately I’ve been scouring the Internet for web pages and circuits about tube regens. The more circuits I find, the more fascinated I become by these simple yet demonstrably effective receivers. There are definitely several “families” that these circuits fall … Continue reading
Bet you can’t build just one.
After the building frenzy that resulted in the completion of the 40M WBR regen, I was left with another entirely functional WBR on Board #2. This one consisted of the beautiful AF Stage v2, hooked up to the funky but … Continue reading
Can I hear you now?
Almost immediately after finishing the two-tube transmitter last spring, I began to think “Gee, wouldn’t it be great to build a receiver from scratch, so I could have an entirely homebrew station?” Apparently this kind of self-destructive thinking is a … Continue reading