Showing posts with label Superhet receivers. Show all posts
Showing posts with label Superhet receivers. Show all posts
Tuesday, March 12, 2024

Justin's Receiver -- A 40 meter Superhet from AC8LV

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  FB Justin!  I really like the board that you are using as a base for the project.  And you have some great mentors in Nick and Loren.   It...
Saturday, February 17, 2024

Nate KA1MUQ's Amazing Thermatron Receiver

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https://natesbasement123.blogspot.com/2024/02/thank-you-bill-dean-grayson-pete-and.html Wow, some really wonderful work is taking place in N...
1 comment:
Wednesday, February 7, 2024

Videos from Mike AG5VG -- His Homebrew BITX Rigs

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Here are two great videos from Mike AG5VG showing his two homebrew receivers in action.  (The transmitter portions of Farhan's circuit w...
5 comments:
Tuesday, September 26, 2023

F6CRP's FB Homebrew Receiver

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I like F6CRP's homebrew receiver.  I like the way he presents it (block by block) and I like the inclusion of the W7ZOI IF board. The JF...
2 comments:
Wednesday, June 14, 2023

Nine Homebrew Transceivers by Walter KA4KXX (and some QRP and QRO RC planes)

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  Our friend Walter KA4KXX in Orlando recently sent us this really cool "family photo" of his homebrew rigs.  Be sure to see the k...
7 comments:
Wednesday, March 29, 2023

The Awesome Homebrew of Will KI4POV

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  Will's homebrew station is really something.  The rig (it truly qualifies for this term of praise) is amazing all by itself  (see belo...
10 comments:
Friday, September 16, 2022

Fixing Up An Old Homebrew Rig -- Barebones Superhet and VXO 6 Watter

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  I'm not exactly sure why I pulled this old rig off the shelf, but I'll write up what I did -- I often use this blog as a kind of n...
3 comments:
Friday, June 3, 2022

Phase Noise and all that

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Our friend Dave K8WPE has been listening to old podcasts.  He recently came across those in which Pete and I were talking about phase noise....
1 comment:
Wednesday, May 18, 2022

W1VD's Boatanchor Receiver Tests

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I've been trying to get more rigorous in my evaluation of receiver performance.   My HQ-100 is tuned to Radio Marti, and it sounds great...
Saturday, May 14, 2022

Mr. Carlson's Grand Receiver Restoration Project -- Your Input Sought (video)

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Mr. Carlson (VE7ZWZ) is launching a series of videos on the restoration of some old boatanchor receivers.  I have been working on an old HQ-...
4 comments:
Tuesday, April 26, 2022

Level UP EE Lab Builds a Superhet Receiver

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I was really glad to have stumbled across Darren's YouTube channel:  (46) Level UP EE Lab - YouTube Heck, he has an S-38E on the shelf a...
2 comments:
Friday, April 1, 2022

SolderSmoke Podcast #236 -- Bill's 17-12 Rig, Pea Shooter, VFO Wisdom, Temp Compensation, Need Code for Max2870, Making Enclosures, MAILBAG

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ARC-5 R-23 Nav Receiver Parts SolderSmoke Podcast #236 is available! http://soldersmoke.com/soldersmoke236.mp3 Winterfest!   Many Boatanchor...
2 comments:
Saturday, March 26, 2022

Getting More Rigorous About Receiver Design (Video)

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As I finished up the receiver on my 17-12 SSB transceiver, I started to wonder -- how good is it?   Sure, I could hear stations on both band...
2 comments:
Tuesday, March 22, 2022

Receiver Dynamics -- How Good is my Receiver?

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OK , so I've finished building my new 17-12 Dual Band SSB Transceiver.  I am now testing it out on both bands.   A big question I have i...
Sunday, March 13, 2022

Video #3 17/12 Transceiver -- Receiver is Working on 12 and 17 meters (Listen! Video!)

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Here is an update on the 1712 transceiver project. The receiver circuitry is done and I can listen on 17 and 12 meters. In this video I w...
Wednesday, March 9, 2022

Video #2 17/12 SSB Transceiver -- Receive RF Amplifier Needed?

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Lots of progress to report on the 1712 rig.  With just two TIA amps (one on either side of the 10 pole filter) and the AF amplifiers, I now ...
9 comments:
Tuesday, March 1, 2022

Dennis WC8C's FB Homebrew 6 Meter Rig -- Any Ideas or Suggestions?

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  Dennis WC8C is the event coordinator for the radio club in Michigan that I recently spoke with.  He mentioned to me that he was working on...
Monday, February 7, 2022

SolderSmoke Podcast #235 NE-602, Azores Rig, Spur Problems, SSB Rigs, Peashooter, HB Filters, MAILBAG

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SolderSmoke Podcast #235 is available for download:  http://soldersmoke.com/soldersmoke235.mp3 Travelogue: 6 weeks in the DR for Bill One co...
7 comments:
Tuesday, January 4, 2022

Exorcism Completed! Getting Rid of the Spur in my 17 meter SSB Transmitter using a TinySA (video)

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To re-cap:  The problem became evident when trying to "net" or "spot" my transmitter onto my receive frequency.   Arou...
5 comments:
Friday, December 31, 2021

Troubleshooting Apollo: 23 MHz Crystals in a NASA Ground Receiver

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More amazing Apollo stuff from CuriousMarc.  Here we see them struggling to find the proper frequency for one of the oscillators in a dual c...