EEVblog #643 - Mailbag
Mailbag Monday
Spoilers:
Dual input power selector circuit, the Pow-OR:
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.
www.infineon.com/dgdl/SPP_I_A20N60C3_Rev.3.0.pdf
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EEVblog Main Web Site:
EEVblog Amazon Store:
Donations:
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Projects:
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Electronics Info Wiki:
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Spoilers:
Dual input power selector circuit, the Pow-OR:
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.
www.infineon.com/dgdl/SPP_I_A20N60C3_Rev.3.0.pdf
Forum: /
EEVblog Main Web Site:
EEVblog Amazon Store:
Donations:
/
Projects:
/
Electronics Info Wiki:
/
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