[sdiy] 2164 tempco in 13700 applications

Tim Ressel timr at circuitabbey.com
Wed Nov 7 22:19:44 CET 2018


The recent discussion about 2164 expo convertors got me wondering if it 
would work for a LM13700 based VCO? The control port on the 13700 is 
referenced to -V instead of ground. Would that work? Or will the 2164 
have trouble driving current like that? Would a PNP common base 
amplifier help?

--Tim Ressel
Circuit Abbey
timr at circuitabbey.com

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