saad
Advanced Member level 4
Hi,
I am simulating current mirror circuit with emitter coupled pair in PSpice as follows.
Current through collector of Q1 is 490µA as expected (Ic1=Vcc-VBE1)/R) but it does not work as current mirror. I am attaching the waveform of Ic2 (i.e. collector current of Q2) its far less than 490µA (nearly zero i.e. 74pA)
Can anyone pointout my mistake? or its the error of my PSpice? or its error of PSpice in general?
Please if you can answer quickly.
Thanks,
Saad
I am simulating current mirror circuit with emitter coupled pair in PSpice as follows.
Current through collector of Q1 is 490µA as expected (Ic1=Vcc-VBE1)/R) but it does not work as current mirror. I am attaching the waveform of Ic2 (i.e. collector current of Q2) its far less than 490µA (nearly zero i.e. 74pA)
Can anyone pointout my mistake? or its the error of my PSpice? or its error of PSpice in general?
Please if you can answer quickly.
Thanks,
Saad