SolderSmoke Daily News -- Ham Radio Blog

Serving the worldwide community of radio-electronic homebrewers. Providing blog support to the SolderSmoke podcast: http://soldersmoke.com

Monday, November 30, 2020

Adam N0ZIB's Direct Conversion Transceiver

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This is obviously very cool, but looking ahead I think Adam should think about adding one more mixer, changing the bias on the TX amps, and ...
5 comments:
Sunday, November 29, 2020

Rocket Knack

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Truly amazing and impressive work.  Thanks to Hack-A-Day for the heads-up https://hackaday.com/2020/11/27/so-close-to-landing-a-model-rocket...
Friday, November 27, 2020

6EQUJ5 -- SNR, the Big Ear Radio Telescope, and the "Wow" Signal

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https://hackaday.com/2020/11/25/the-wow-signal-and-the-search-for-extraterrestrial-intelligence/#more-448808 This Hack-A-Day article explain...
1 comment:
Thursday, November 26, 2020

VK3YE's Super Simple Phasing Receiver

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Really simple, really nice.  I like the innovative way they achieved the RF quadrature:  they did it by splitting and phase-shifting the RF ...
Sunday, November 22, 2020

Wrapping up the HA-600A Product Detector Project -- Let's Call Them "Crossed Diode Mixers" NOT "Diode Rings"

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This has been a lot of fun and very educational.   The problem I discovered in the Lafayette HA-600A product detector caused me to take a ne...
7 comments:

The Wizard of Horseshoe Bend: VK2FC's Wonderful Projects

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  Google led me to VK2FC's amazing site.  I was digging up info on product detectors and I landed on Glen's description of his versi...
1 comment:
Thursday, November 19, 2020

Diode Ring Magic

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  I continue to work on the product detector of my Lafayette HA-600A.   This work has caused me to brush up on my understanding of how mixer...
6 comments:
Tuesday, November 17, 2020

A Diode Ring Product Detector for the HA-600A? Problems.

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Pete advised me to try this a week or so ago, but it took me a while to follow through and try it out.   I got the two diode, one transforme...
2 comments:
Monday, November 16, 2020

Shortwave Listening

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I was listening to Glenn Hauser's excellent shortwave listening show on WRMI this week, and he mentioned a technique that I had not been...
1 comment:
Sunday, November 15, 2020

HB-2-HB Contact! N4TD's Amazing Homebrew 20 and 40 meter SSB Transceiver

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  Oh man, this doesn't happen every day.  Using my homebrew BITX 40 DIGI-TIA,  I had just finished a great QSO on 40 meters with Greg W8...
2 comments:
Saturday, November 14, 2020

The Dish -- Virtual Tour -- New Indigenous Name

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Thanks to Peter VK2EMU for this update on the Parkes radio telescope.  Parkes is the subject of our favorite  movie about an antenna:  '...
Friday, November 13, 2020

How Does My Singly Balanced, Two-Diode, Single Transformer Product Detector Really Work?

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  As young James Clerk Maxwell used to say, "What's the go of it?"  and "What's the particular go of it?" I stu...
4 comments:
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