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Hello guys,
Is it possible to tell design compiler that is it only allowed to change gate strengths during a compilation? E.g., changing AN2S gate por AN2T gate. Obviously, the input would be a circuit (netlist) already mapped into a technological library.
In other words, after a first...
Hi,
@bigdogguru: I'm using version 2007.03-SP5
@paulki: The version of DC I'm using doesn't have a '-typ' option for this command (the command you wrote results in error). I don't think I'm targetting typical corner, I'm trying to specify extreme conditions (min_max mode).
It seems strange...
Hello guys,
I'm getting the following warning when compiling a design:
Warning: Operating condition WCCOM set on design c432 has different process,
voltage and temperatures parameters than the parameters at which target library
fsa0a_c_sc_tc is characterized. Delays may be inaccurate as a...
Thanks for ur help. As the system is driven by a current source, the voltage amplitude across Rx is always the same, isn't it? But the votage amplitude at input (Rx+2Zp) increases with lower frequencys. So i think you mean higher frequencies are "safer" to avoid an overdrive, right?
The first...
Yes, but the voltage amplitude is the same for all frequencies... isn't it?
Four-terminal sensing - Wikipedia, the free encyclopedia
We just want to measure Rx (R in the wiipedia circuitry), Zp would be Rl
Hi guys,
I was having a look at these questions about a four-wire measurement system and I'm not sure about the answers:
A four wire system is employed to measure a resistive load, Rx. The model for each electrode Zp is the parallel combination of a resistor Rp=1MΩ and a capacitor Cp=1nF. The...
And why can we tolerate a DC voltage drop in the case of a small signal amplifier but not for power amplifiers?
And even if we can tolerate it for small signal, why not to use the inductor anyway?
Thanks for ur help!
Hi guys,
I know it's a very elemental question, but I was having a look at several book and I couldn't find a clear explanation :(
Why is it normal to place an inductor between NMOS drain and power supply in a power amplifier? I know it's a choke inductor... but I cannot see the point. Why is...
Hello guys,
How can I cancel the offset produced by transistor mismatches (monte carlo analysis) to measure the slew rate (trans analysis)? I want the offset to be cancelled for each iteration of the monte carlo analysis, but of course i cannot calculate the input-referred offset... it's...
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