Recent content by suv79

ok with the initial voltage on the capacitors this is much better :) thank you LvW sorry iam a bit slow

i used, real time noise, which should help start the oscillation

resolutiuon= .PRINT step ?

red is 50 u green is 100u blue is 200u

why when the stop time is change dose it effect the frequency.

i have no idea how to work out the amplitude of the waveform

i have chanced the run time to 1m the freq is now 21 kHz but where can i change time resolution ?

but i don't understand what is wrong with my circuit, why is it not getting 55 kHz

the run time should not change the frequency

the time i used was 1 Second but time resolution i have no idea.

could you email me your simulated circuit ?

i have to write a report about why the circuit is 15% lower from designed frequency, when the TL072 op-amp was used. have simulated your circuit - and the result is at 55 kHz. What are the time steps you have chosen? My choice: End of simulation 1ms and resolution 1µs. Why such a large...

i think something is wrong with this iam still getting 22 Hz

you got 55 kHz that is what it should be about 15% lower.

65 kHz is my worked out frequency but PSpice is 22 Hz