Showing posts with label frequency counter. Show all posts
Showing posts with label frequency counter. Show all posts
Friday, June 23, 2023

Part III: Curious Marc Repairs an All-Discrete Freq Counter: DO NOT ATTEMPT REPAIR OF CAVITY RESONATOR

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I love all the "DO NOT ATTEMPT" warnings.  Wow, even HP got so skittish about this stuff.  Marc has a great sense of humor and not...
Tuesday, June 20, 2023

Part 2: CuriousMarc Fixes an All-Discrete Counter -- "Like an IC, but in discrete form."

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Marc nicely sums up this project with this line:  "It's an IC but in discrete form!"  On the same theme, he later says, "...
3 comments:
Monday, June 19, 2023

CuriousMarc Repairs an old DISCRETE COMPONENT HP Frequency Counter

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I really liked this repair video from CuriousMarc (aka AJ6JV).  This counter pre-dates the use of integrated circuits -- it is all discrete ...
2 comments:
Wednesday, August 17, 2022

Daylight Again on the Sunrise Net! Walter KA4KXX Builds a PTO

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Dear Bill:  I had never built a PTO, but after reading Farhan's Daylight Again Transceiver article I cobbled one together with parts an...
Wednesday, April 13, 2022

The 17 & 12 SSB Transceiver -- Circuit and Build Info -- Video #4

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I REALLY LIKE THIS RIG. IT IS LIKE A MAGIC CARPET THAT CARRIES MY VOICE ACROSS THE SEAS. Cutting Display Hole sets off smoke alarm. Revers...
3 comments:
Saturday, February 19, 2022

Pete's Eclectic Approach to the Pea Shooter, San Jian counters on Analog VFOs, Non-Restaurant Menus

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I liked Pete's comments on the various (analog, digital, mixed) approaches to homebrew:  http://n6qw.blogspot.com/2022/02/2022-return-to...
1 comment:
Tuesday, August 10, 2021

Mythbuster Video #16 -- GLOWING NUMERALS! In Juliano Blue!

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I added two San Jian frequency counters to the front panel. In addition to making the rig a lot easier to operate, they add a classy touch ...
1 comment:
Monday, March 1, 2021

A Frequency Counter for the Hodgepodge -- An Analog Solution to a Digital Problem

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Imagine my dismay when I discovered that I could not use my $5 San Jian PLJ6-LED frequency counter with my Hodgepodge transceiver.    The pr...
Friday, February 19, 2021

A Problem with the San Jian PLJ6-LED Counter

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I had hoped to use this handy and cheap little frequency counter to add some glowing Juliano Blue to the frequency readout on my Quarantine ...
7 comments:
Wednesday, February 3, 2021

Shuji Nakamura -- The Inventor of Juliano Blue LEDs

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He is the 2014 winner of the Nobel Prize for Physics.   He is the person who figured out how to make blue light LEDs through the use of an I...
3 comments:
Friday, January 1, 2021

Glowing Numerals for the Lafayette HA-600A (With Jeweled Movements)

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  I really like this receiver.  I have strong sentimental ties: it was my first SW receiver.  But the frequency readout situation was kind o...
2 comments:
Saturday, October 10, 2020

Chip Replaced, GSC 6000 Counter Fixed

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  This thing has been half-broken for a long time.  I needed to get the input for 40 MHz - 650 MHz working    I got the a replacement SP8630...
5 comments:
Wednesday, June 24, 2020

Arduino, Si5351, GPS linked atomic clock, GPS disciplined frequency counter and more...

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Wow, it has been a while since I first talked to Rick, N3FJZ.  Above you can see his QSL card.  And here is a link to a SolderSmoke blo...
1 comment:
Tuesday, September 27, 2016

Blowing the Dust Off of KW4KD's Homebrew Station from the 1970s

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KW4KD CW TRANSMITTER I got on 40 meter SSB over the weekend and spoke to Jim KW4KD.   He was on a modern commercial rig, but then he to...
2 comments:
Monday, November 23, 2015

G3ZPF's Knack Story: Debunking Tech Fairy Tales, Surviving Nixie Tubes and Ferric Oxide

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Bill: I 'm finding the book very entertaining, and am currently about halfway through it. Like you there were a few electronic &#...
Saturday, August 1, 2015

Video of Curiously Strong Altoids Tin Frequency Counter

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Our book: "SolderSmoke -- Global Adventures in Wireless Electronics" http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts,...
4 comments:
Wednesday, July 29, 2015

A "Curiously Strong" Frequency Counter

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I got a six digit San Jian frequency counter for use with my BITX20.  I was trying to figure out how to put it in a box and mount it on t...
3 comments:
Sunday, February 8, 2015

Glowing Blue Numerals! A Frequency Counter for the BITX17 (VIDEO)

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These little frequency counters from China have a lot of potential.  And they add a dash of digital color to an otherwise bland analog ham...
1 comment:
Saturday, January 31, 2015

SolderSmoke #171 DC RX in QQ, Power Supplies, Small Screens, 12 Buck Counters, HW8 Error?, KX3 RX

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SolderSmoke Podcast #171 is available:  http://soldersmoke.com/soldersmoke171.mp3 Bench Report:  Pete's Small Screens (in Color...
1 comment:
Friday, January 30, 2015

More Glowing Numerals! BIG! BLUE! $13!

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Even though my pencil and graph paper frequency readout for the BITX rigs has its own undeniable charm, this little device could get me...