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Call me Rusty, need a little help

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kinarfi

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Actuallly, I'm Kinarfi and real rusty, any way I have a programmable Unijunction Transistor oscillator and need to use the capacitor charge voltage to add to another voltage, You can't load that part of the circuit. Anyway I don't know the correct way to bias a mosfet so it acts as a voltage follower. Would someone please fill in the blanks for me or should I use one of the transistor set ups in the schematic?
Oh Yea, I need to fill in the red box blank.
Thanks
Kinarfi
 

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MikeMl

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Most Helpful Member
Posted in the other thread.
 

ericgibbs

Well-Known Member
Most Helpful Member
hi,

MikeMl has already shown you in detail how to use a HiZ buffer for this application in your other thread covering this project.
 

kinarfi

Well-Known Member
I was trying to free up OP4 so I could use it as a buffer to OP3, guess not, better where it is.
Thanks
Kinarfi
 
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