Electronics > Projects, Designs, and Technical Stuff

Yet another resistance decade box

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kripton2035:
try the clone, from USA it seems the way to go
http://kripton2035clone.free.fr/LabTools/lbt-capacitordec.html

Fortran:
Didn't work from Finland either :)

Leo Bodnar:
Why not use the original?
http://www.electricstuff.co.uk/capbox.html

BroMarduk:
I purchased one of these:

https://www.ebay.com/itm/Resistance-Capacitance-Decade-Substitution-Box-w-RC-Network-Switch/322859615512?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D49102%26meid%3Dc8b9f38a01d04033b8f4d94757f5de62%26pid%3D100675%26rk%3D2%26rkt%3D15%26sd%3D362147931643&_trksid=p2481888.c100675.m4236&_trkparms=pageci%253A19991558-c1ba-11e7-94e7-74dbd18055b7%257Cparentrq%253A896be14c15f0a990a344d23afffe09c9%257Ciid%253A1

(1% resistance/5-10% capacitance) and use it all the time.  To me, the ability to quickly test and cycle through different RC networks was worth the cost (I have one I built myself with through hole parts that this replaced).  I'm sure someone could easily combine the two into their own design with available boards.  I'd love to see a higher tolerance model (0.1% resistance/ 1% capacitance) available or maybe this becomes a weekend project to desolder/resolder higher tolerance components in.

Even better would be a version with inductance as well to make RLC circuits.   I realize the serial/parallel complexity increases but I would jump on one if it was available or even build one if it was available in kit form.

Hey, a guy can dream, right?

Leo Bodnar:
I have went ahead and bought 10 kits. 
Then I tried to find matching switches quickly on Farnell - there were none. 
So I ordered 10 sets of 10 switches that looked suitable from eBay. 
They took a month to arrive and turned out to be of wrong size.
By that time I have lost interest and just bought a decade box from Farnell.
In the end everyone's a winner.

Leo

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