Non AMP

555 negative voltage: your criticism.

Thread starter Blueteeth
Start date Aug 18, 2009

Status: Not open for further replies.

B

bountyhunter

Well-Known Member

Aug 19, 2009

#21

Boncuk said:
It takes exactly 6.2V to get to -10V at the desired 8mA.

Boncuk

That sounds like the right ballpark, but:

did you try it with schottky diodes to reduce the VBE drop loss?

Boncuk

New Member

Aug 20, 2009

#22

Using Schottky diodes the voltage gain was minimal. I used Germanium diodes instead.

Status: Not open for further replies.

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