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vco veriloga
The comments above the blue lines explain its purpose!
Those lines are to prevent phase ramping to very high value with time.This is because the simulator cannot deal with a very large numerical value. So it wraps the phase to +/- 2pi.
srik
spice code for opamp
hi,
look up for the circuit in Gayakwad textbook.
look for the region of operation of all the devices.
BTW, which spice models do you use for the transistors?
oppoint .scs
yes, to plot gm (and others) as a function of input voltage, some parametric analysis is needed.
I guess it does not happen at the click of a button :(
spectre dc annotate
plot of gm can be got by running a small signal analysis and plotting
id/vgs (both id & vgs are small signals) using calculator function of IC5.
srik
hspice phase noise
hey flyinspace look at
https://www.designers-guide.com/
look at the forums section.
SPICE-like tools cant be used for this purpose,
as they are not capable of determining Periodic Steady State solution of oscillators. SpectreRf can be used for your purpose.
To Guestsy:
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HI,
This position is based in India,
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srik
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