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EEVblog #643 - Mailbag
Description
Mailbag Monday
Spoilers:
Dual input power selector circuit, the Pow-OR:
https://github.com/MouseBiteFever
Casio FX-7000G the world's first graphing scientific calculator, circa 1985.
A 1989 vintage analog ohmeter.
Teardown of a Clipsal 32E450UDM 450W electronic dimming module.
http://www.clipsal.com/Trade/Products/ProductDetail?catno=32E450UDM
www.infineon.com/dgdl/SPP_I_A20N60C3_Rev.3.0.pdf
Forum: http://www.eevblog.com/forum/blog/eevblog-643-mailbag/
EEVblog Main Web Site:
http://www.eevblog.com
EEVblog Amazon Store:
http://astore.amazon.com/eevblogstore-20
Donations:
http://www.eevblog.com/donations/
Projects:
http://www.eevblog.com/projects/
Electronics Info Wiki:
http://www.eevblog.com/wiki/
Spoilers:
Dual input power selector circuit, the Pow-OR:
https://github.com/MouseBiteFever
Casio FX-7000G the world's first graphing scientific calculator, circa 1985.
A 1989 vintage analog ohmeter.
Teardown of a Clipsal 32E450UDM 450W electronic dimming module.
http://www.clipsal.com/Trade/Products/ProductDetail?catno=32E450UDM
www.infineon.com/dgdl/SPP_I_A20N60C3_Rev.3.0.pdf
Forum: http://www.eevblog.com/forum/blog/eevblog-643-mailbag/
EEVblog Main Web Site:
http://www.eevblog.com
EEVblog Amazon Store:
http://astore.amazon.com/eevblogstore-20
Donations:
http://www.eevblog.com/donations/
Projects:
http://www.eevblog.com/projects/
Electronics Info Wiki:
http://www.eevblog.com/wiki/
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