Tag Archives: receiver

Another radio, another VXO

Posted on January 9, 2017 by n2htt

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 →

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Together Again (for the first time)

Posted on September 11, 2016 by n2htt

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 →

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Snowy day, new glue.

Posted on January 24, 2016 by n2htt

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 →

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A complete digression.

Posted on January 17, 2016 by n2htt

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 →

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2B Redux

Posted on October 3, 2015 by n2htt

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 →

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Is there a pentode in the house?

Posted on April 3, 2015 by n2htt

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 →

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Mysteries of the Triode Revealed.

Posted on March 16, 2015 by n2htt

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 →

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Rosetta Stone.

Posted on February 26, 2015 by n2htt

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 →

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Bet you can’t build just one.

Posted on February 8, 2015 by n2htt

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 →

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Can I hear you now?

Posted on January 28, 2015 by n2htt

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 →

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