Showing posts with label Direct Conversion Challenge. Show all posts
Showing posts with label Direct Conversion Challenge. Show all posts
Tuesday, April 21, 2026

Nader M9KCA-ST2NH's Beautiful Build of the SolderSmoke Direct Conversion Receiver: NO SMOKE!

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  Nader wrote:  Hello everyone! After more than 30 years, I've rebuilt the DCR again. I wanted to share the fun of the 40m SolderSmoke D...
Monday, March 23, 2026

G-QRP 2025 G2NJ Trophy

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Thanks to G-QRP for selecting us for this prestigious award.  This was for our efforts with the SolderSmoke Direct Conversion Receiver.   
1 comment:
Sunday, March 22, 2026

The ARRL's 2025 Technical Service Award

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8 comments:
Thursday, March 12, 2026

Audio Amplifier Stage Template and Handout: SolderSmoke Direct Conversion Receiver by N7HPR

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  Above is Steve N7HPR's template for the audio amplifier board, the board that gave a lot of people a lot of trouble.  But it SHOULD ha...
2 comments:
Wednesday, March 11, 2026

SolderSmoke Direct Conversion Receiver: TOROIDS! Steve N7HPR's Handouts on the BP Filter and the Mixer/Diplexer

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  ------------------------------------------ Winding the trifilar toroids was the hardest part of building the mixer board, and with the hig...
Tuesday, March 10, 2026

SolderSmoke Direct Conversion Receiver-- N7HPR Handout #1 -- The VFO

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  I like the way Steve N7HPR did this:  First, that he had a working receiver on display to serve as a prototype.  Second, that he asked the...
Monday, March 9, 2026

Steve N7HPR Describes the Group Build of 10 SolderSmoke Direct Conversion Receivers

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Group Build of the SolderSmoke Direct Conversion Receiver Challenge By Steven Bible, N7HPR Andrew Johnson Amateur Radio Club and Greene ...
1 comment:
Thursday, September 25, 2025

GQRP Convention 2025 -- SolderSmoke Direct Conversion Receiver Presentation

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We were really pleased to have been invited to speak to the GQRP club's 2025 convention.  We talked about the SolderSmoke Direct Convers...
4 comments:
Thursday, May 29, 2025

SolderSmoke Podcast #260 FDIM, Hollow State Design, Pete's Bench and the Shelf of Shame, Direct Conversion Project News, How Best to Preserve this Blog?, Dean's Bench and the Desk of Despair, Bill's Bench and the Garage of Grief, MAILBAG

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SolderSmoke Podcast #260 is available:  Audio version:  http://soldersmoke.com/soldersmoke260.mp3 Video version:  https://www.youtube.com/w...
6 comments:
Wednesday, April 16, 2025

Homebrew vs. Kits -- The influence of Russian Homebrewers

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  Click on the image for a better read.   Like Kirk, I too was influenced by the Russian and Eastern European homebrewers.  As a kid, every ...
3 comments:
Sunday, April 6, 2025

The Hall of Fame -- Completed SolderSmoke Direct Conversion Receivers (So far --- more to come!)

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Dean KK4DAS's Receiver Please let us know if you spot any errors, or if we have inadvertently missed anyone.  Don't worry about bein...
4 comments:
Tuesday, April 1, 2025

FCC to Ban Direct Conversion Receivers

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From the FCC News Line:   The Federal Communications Commission announced today that it will soon ban a wide range of communications equipme...
22 comments:
Friday, March 7, 2025

Homebrew Challenges Much Like Ours: The Direct Conversion Receiver of Wes Hayward W7ZOI and Dick Bingham W7WKR -- QST November 1968

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  https://www.worldradiohistory.com/Archive-DX/QST/60s/QST-1968-11.pdf I was thinking about some of the challenges faced by the builders of ...
3 comments:
Monday, March 3, 2025

Andy KB7ZUT is a Good Sport -- He Built the Direct Conversion Receiver HIS WAY, then OUR WAY. Great StarTrek Cartoons

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  Early on, Andy sent in a report on a Direct Conversion receiver that he had built.  It looked kind of like ours, but it was clearly NOT ou...
4 comments:
Saturday, March 1, 2025

Wayde VA3NCA Receives SSB, CW, FT8, and CHU Canada on his SolderSmoke Direct Conversion Receiver

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Above you can watch and listen to Wayde's receiver as he tunes across 40 meters.  It sounds good, even though Wayde is thinking about so...
1 comment:
Friday, February 28, 2025

Jim KF8BOG Completes the SolderSmoke Direct Conversion Receiver after a Long, Hard Journey of Discovery

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Herodotus once said that "learning is not child's play -- we cannot learn without pain." I think Jim KF8BOG proved that in thi...