How does this Bicmos inverter work?

[keith1200rs]

B cmos inverter

Well, when you find out how it works, let us know - no one here seems to think it is correct!

Keith.

 

[hiyan]

Re: B cmos inverter

if suppose base of Q1 transistor connected with Resistor R1 now tell me it's operation and uses briefly.I hope this time my problem will solve.

Added after 3 hours 39 minutes:

iam posted another ckt sim from last .kindly friends tell me it's operation ,application briefly.Thanks.