XTalset Society, neat articles for new homebrewers

XTalset society has been around for awhile.  They are a great starting point for anyone either new to homebrewing or anyone teaching someone who is new to radio (and I’m not necessarily talking about ham radio).  Great crystal set projects that truly amaze.

They are also a great resource for purchasing materials to help you on your crystal set journey.

Here are some of the articles I found useful – free for everyone!

How to Read Schematics
The AM Broadcast Band
A Big Ole Hunk of Galena Crystal
Crystal Set FAQs
How Crystal Sets Work
Variable Cap Lineup & Mounting
Equivalent Series and Parallel Circuits
XS-800 Antenna Measurement Bridge
Q of a Coil With Some Unused Turns
Mag-Coupling Selectivity-Sensitivity pdf file.
A Great Teacher: The Crystal Set pdf file, courtesy QEX (ARRL).
Derivation of Step Attenuator R Formulas pdf file.
The Trap Coil Q Measurement Method Revisited (for high Q coils in particular) pdf file.
About Q pdf file, Discusssion on Q Formulas/Measurement.
The AM RF Signal pdf file, Discusssion on makeup of an AM RF Signal.
Anatomy of Crystal Set Modeling: Equivalent Circuit Substitutions pdf file, with spice app.
XS-OB1 Kit Manual (updated 05-01-08) pdf file.
Different OAT BOX COILS pdf file.
XS-801 Kit Drawings pdf file.
Mechanical Dimensions for Mounting Variable Capacitors pdf file.

To take a look at these articles, head over to their site at:

http://www.midnightscience.com/article-index.html

Or their front page at:

http://www.midnightscience.com

Jonathan Hardy, KB1KIX, is a regular contributor to AmateurRadio.com and writes from Connecticut, USA. Contact him at [email protected].

One Response to “XTalset Society, neat articles for new homebrewers”

  • john plante`:

    Hello or as Alex Bell would have it,Ahoy I do not know if you are an affiliate of the XTel set Society, , I was once but my letter subscription ran out. If you are how in heck can I e-mailthem? None of the old stuff works

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