Thursday, February 27, 2025

John KE2AMP's SolderSmoke Direct Conversion Receiver -- With a Spring-Loaded PTO


Dean and I often say that we too have learned a lot from this project, and that the receiver has gotten better as a result of all these builds.  But in KE2AMP's case we really see an innovation that nobody has used before.  But it is a great idea and it solves the "loose screw" problem of the PTO.  Check out the spring on John's PTO.  That is really smart.  Thanks John.  

John also sent me a crystal wrapper that will long be cherished by the CBLA (Color Burst Liberation Army):   


John wrote: 

Well I completed my DCR, and am receiving signals on 40 meter at 1900UTC. My audio amp will oscillate if I turn up over half way and my pto is little loose and makes it bit hard to tune. I put a light spring behind the pto bolt to give it some friction and tighten up. I’m thrilled that I’m receiving signals. I still want to add a front panel to mount the volume pot, the on/off switch and speaker if I have the room. 
I am so Thankful to Bill, Dean and everyone on the discord for this project I learned so much more being able to ask questions and follow along with other builders as we worked through each stage of the build. I definitely learned some things about oscilliscopes. And testing each of the stages as we went along. 
I would like to try my hand at a SSB transmitter to go along with this receiver. I have built a working MMM but was just to see if I could. I don’t know CW 
Oh and I included pic’s of something Bill will like. 
Pick it up at a ham fest last summer.
Will that get me into the color burst liberation army?
 Thanks Again, 73
   de John  KE2AMP

Consider yourself inducted John.  The CBLA needs innovative people like you!  

1 comment:

  1. Thank You Bill,
    The Soldersmoke DCR challenge was a great learning experience for me. It also kept me focused on each module as i built it which was really what helped me learn about how each component functioned in that module.And also how to test each module. That was great.
    Im starting to look into building a wood front and sides as well as starting to research a DSB transmitter to add to it as well. Dont know how long that will take but im still viewing the discord channels everyday. Still learning :)
    Thanks again to You,Dean And Pete. And the Soldersmoke Blog.
    73, John KE2AMP

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