[kicad-users] +VCC and -VCC

2007-10-16 Thread jeremy
VCC is there in powers I can't find -VCC in Powers. Can I make one somehow? Thank you!

Re: [kicad-users] +VCC and -VCC

2007-10-16 Thread Hristo Antonov
On Tue, 2007-10-16 at 21:50 +1000, jeremy wrote: VCC is there in powers I can't find -VCC in Powers. Can I make one somehow? Thank you! Please do not ;) The opposite of Vcc is not -Vcc . It is Vee ! Look here http://encyclobeamia.solarbotics.net/articles/vxx.html -Vcc is used for

Re: [kicad-users] +VCC and -VCC

2007-10-16 Thread Robert
The web page you refer to is correct, but I think you've misunderstood it. The ee in Vee refers to a BJT emitter, which is connected to ground in some way with an NPN common emitter circuit. Many BJT circuits use a NPN/PNP arrangement symmetrical about ground, giving you a Vcc, a -Vcc, and