Showing posts with label BITX20. Show all posts
Showing posts with label BITX20. Show all posts
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, February 6, 2024

Pine Boards, Analog VFOs, and Homebrew BITX Transceivers -- AG5VG's Magnificent Creations

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Click in image for a better view This is amazingly cool.  WE ARE NOT ALONE!  There are others out there breaking the tyranny of the Si5351, ...
3 comments:
Thursday, November 2, 2023

Listen to Rex. W1REX. Lots of Tribal Wisdom in this Ham Radio Workbench Interview

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  https://workbench.libsyn.com/hrwb-193-building-projects-with-rex-harper-w1rex This week's Ham Radio Workbench podcast features an inte...
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:
Saturday, May 20, 2023

Farhan Describes his New 2 Meter SSB Transceiver (Video)

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On May 16, 2023 Farhan gave us a look at his new BITX23 2 Meter Transceiver. Two days later he made a presentation on this rig at the Four ...
Friday, October 28, 2022

SolderSmoke Podcast #241 Mars, Direct Conversion, PTOs and Glue Sticks, Anniversary of the BITX20, Multus Proficio SDR, Boatanchor Station, MAILBAG

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The board I use to test DC RX circuits   SolderSmoke Podcast #241 is available Audio (podcast):    http://soldersmoke.com/soldersmoke241.m...
5 comments:
Tuesday, August 23, 2022

SolderSmoke Podcast #156 -- November 4, 2013 -- Interview with Peter Parker VK3YE of Melbourne, Australia

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November 4, 2013 Special hour-long interview with Peter Parker, VK3YE -- Early experiences with radio -- CW -- DSB Gear -- Simple gear, and ...
Monday, March 28, 2022

Vienna Wireless Winterfest Hamfest 2022

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After a two-year pandemic hiatus, yesterday the Vienna (Virginia) Wireless Society's annual "Winterfest" hamfest was back.  An...
1 comment:
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:
Tuesday, November 2, 2021

Farhan's Amazing Knack Story: From a Boyhood SW Receiver to the Design of the sBITX SDR

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The presentation starts at about the 4 minute point.  I think if I were only allowed to watch one YouTube video in the next year, I'd ma...
2 comments:
Friday, October 1, 2021

Chuck Penson's Amazing New Book about Heathkit Amateur Products

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  I was very pleased to read that Chuck Penson WA7ZZE was publishing a book about Heathkit's amateur radio products.  His book is a real...
1 comment:
Friday, August 27, 2021

SolderSmoke Podcast #232 -- Mythbuster, Pete's Tube CW Rig, Pete's DC RX and Simple SSB Rig, NanoVNA and TinySA, Very FB Mailbag

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SolderSmoke Podcast #232 is available -- Crank it in Robert! http://soldersmoke.com/soldersmoke232.mp3 Featuring a guitar intro by Pete &quo...
1 comment:
Wednesday, March 3, 2021

The SolderSmoke Team Talks to the River City Amateur Radio Communication Society (Video)

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Pete and I had a great time speaking to this really nice California ham radio club (video of the event appears above).  Special thanks to cl...
Saturday, February 6, 2021

Some Thoughts on Singly Balanced Mixers with Two Diodes and One Transformer

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In 2001, out it in the Azores, I built a 17 meter version of Doug DeMaw's Double Sideband transmitter ("Go QRP with Double Sideband...
2 comments:
Saturday, December 5, 2020

Adding 10 kHz of Coverage to My BITX 17

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  Solar Cycle 25 is underway.  The Solar Flux Index and Sunspot numbers are up considerably.  I have dusted off my old BITX17 transceiver.  ...
4 comments:
Monday, August 10, 2020

Using SDR without SDR Hardware -- N2CQR Adjusts Analog BITX20 using Web SDR

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I know what you are thinking:  Software Defined radio with the TOTAL elimination of hardware? WHERE IS BILL AND WHAT HAVE THEY DONE WITH H...
5 comments:
Tuesday, March 31, 2020

Quarantine Rig: VK3YE Resurrects an Old BITX Project

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I think we should start calling these "Quarantine Rigs."  Many of us are pulling off the shelves rigs that we started a while ba...
2 comments:
Friday, November 29, 2019

Follow-Up on Scratch-built BITX17 -- Board Map and Video

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In my last post I put up a time lapse GIF of my BITX 17 build from about six years ago.  Above you can see my drawing explaining what...
Wednesday, November 27, 2019

How A Homebrew BITX Comes Together

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This is a bit of a blast from the past.  When I was building my BITX17 I paused after placing each stage on the board and took a picture. ...
5 comments:
Monday, October 21, 2019

Farhan Visits Northern Virginia and SolderSmoke HQ

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  Our good friend Farhan came to Northern Virginia last week for the 50th Anniversary Symposium of AMSAT.   We were really delighted that...
3 comments: