What is a .01 cd capacitor on a 1970s era schematic

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rif

rif

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Joined 2003
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I'm still learning here, so please bear with me.

I'm looking at a schematic published in the '70s. Around the +/- Vcc for an opamp, it has a capacitor connecting to ground, I assume for filtering. It's labelled ".01 cd". What is "cd"? I would have expected nF, pF etc...

Sorry, but I only have a hard copy. But I can say it's a straightforward opamp schematic.
 
dchisholm

dchisholm

Member
Joined 2011
Sounds like a standard power supply bypass (a.k.a "decoupling") capacitor. The "CD" is probably an abbreviation for "ceramic disc". Nothing really special or critical about the part - ceramic discs were probably the cheapest component available at the time with that capacitance.

Dale
 
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