Encontre una respuesta por si a alguien le interesa:
caso1:
aaaaaaaaaaaaaaaaaaaaaaaaaa ° 5V
aaaaaaaaaaaaaaaaaaaaaaaaaa |
aaaaaaaaaaaaaaaaaaaaaaaaa </
aaaaaaaaaaaa Vi °-----/\/\-------| pnp(Ic typ ~ 1mA )
aaaaaaaaaaaaaaaaaa R=10k aa \
aaaaaaaaaaaaaaaaaaaaaaaaaaa |----------------------° Vo
aaaaaaaaaaaaaaaaaaaaaaaaaaa |
aaaaaaaaaaaaaaaaaaaaaaaaaaa /
aaaaaaaaaaaaaaaaaaaaaaaaaaa \ R=10k
aaaaaaaaaaaaaaaaaaaaaaaaaaa /
aaaaaaaaaaaaaaaaaaaaaaaaaaa |
aaaaaaaaaaaaaaaaaaaaaaaaaaa °-5V
caso2:
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa ° 5V
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa /
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ R=10k
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa /
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa |--------------------° Vo
aaaaaaaaaaaaaaaaaaaaaaaaaaaa /
aaaaaaaaaaaaaa Vi °-----/\/\-------| npn(Ic typ ~ 1mA )
aaaaaaaaaaaaaaaaaaaa R=10k aa \>
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
aaaaaaaaaaaaaaaaaaaaaaaaaaaaa ----- (GND)
tuve que agregar los 'a' sino perdia los margenes