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Author Topic: DIP SWITCH PROGRAMMING  (Read 1580 times)

Offline TimL

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DIP SWITCH PROGRAMMING
« on: February 08, 2024, 2149 UTC »
Hi everyone!  I'm a complete dunce when it comes to DIP switches and math in general. Does anyone know of a really dummies guide to programming an 8 switch? Or assist generally?  Many thanks.
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Tim Lewis. Various SDRs and hard radios. MLA-30. MLA-30+. 118ft random wire. 18 ft random wire. Moonraker HF vertical. Having fun!

Offline ThaDood

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Re: DIP SWITCH PROGRAMMING? That depends upon various factors.
« Reply #1 on: February 10, 2024, 1940 UTC »
Unfortunately, that's a fairly broad question, since that all depends upon the circuit designer, and the type of PLL IC's used. Panaxis had their own scheme, with a DIP switch Chart for FREQ setting. Ransey Electronics Kits did that math equation with X100, X10, and X1, with Motorola PLL IC's. And, from what I'm told, those newer Chez Pocasters and, (I'm brainfarting on the Part 15 TX MFG'er...), still uses the DIP switch scheme. So, with the lack of documentation, may I suggest loading to a dummyload, with an attenuated RF sample OUT, to a FREQ counter and try it that way. BTW, there were several Two-Way radios that could be programmed that way as well. Hmmmmmmm... Back to transmitters, with DIP Switch FREQ settings, I probably should upload the Panaxis manuals to my Archive.org site.  Anyway... I hope that this helps. Oh yeah... Progressive Concepts may have manuals for their Part 15 transmitters.  https://progressive-concepts.com/product-category/am-transmitters/    Ah!!!! Rangemaster!!! That, was the one that escaped me.
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“I am often asked how radio works. Well, you see, wire telegraphy
is like a very long cat. You yank his tail in New York and he
meows in Los Angeles. Do you understand this? Now, radio is
exactly the same, except that there is no cat.”
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Offline ThaDood

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Re: DIP SWITCH PROGRAMMING? Boomer found this!
« Reply #2 on: March 07, 2024, 1744 UTC »
https://www.tompolk.com/radios/frequencysynthesizer/freqsynth.html   This page should help. THANK YOU Boomer!!!
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“I am often asked how radio works. Well, you see, wire telegraphy
is like a very long cat. You yank his tail in New York and he
meows in Los Angeles. Do you understand this? Now, radio is
exactly the same, except that there is no cat.”
-Attributed to Albert Einstein, but I ripped it from the latest Splatter .PDF March 2025 issue.
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