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Hi,
In Veriloga, resistor flicker noise is modeled with a noisy current source: "I(p, n) <+ flicker_noise(kf*pow(abs(i_r), af)/geo ,ef, "flicker")";
In spectre, resistor flicker noise is modeled by parameter AF,EF....
I think two methods should be agreed with each other, but apparently...
thanks for reply!
I viewed some IO pads in the TSMC standard IO libaray, I found the ESD MOS drawed in finger-style,and the minimum distance between pickup and drain is 1.624um.so is the parasitic resister in series with DN(or DP) a problem to discharge the ESD current?
I have a doubt about ESD protection system showed in FIG.
There are two ESD current flow paths in PS and ND mode.
For instance, for PS mode, the ESD current can flow through DP to VDD, and then through power clamp to VSS. The ESD current can also directly flow through MN’s parasitical NPN...
The integrated 1/f noise is proportional to ln(fh/fl), where fl is the lower limit for integration, and fh is the upper limit. So,for real application,how to determine fl?
adc decimation
when using the cic filter as decimation filter,is a compesation filter needed?
the basic cic structure is composed of two section,integrator section and comb section.I found that the response of integrators for dc input is without bound. so does that imply we can not use the...
hi ,
i want to know hou relative tolarence effects convergence.
i just know if delta F(x) <absolute tolarence ,equation converge.dose relative tolarence contributing to convergence have relation to slope of F(x) at F(x)=0?
hi ,
i want to know hou relative tolarence effects convergence.
i just know if delta F(x) <absolute tolarence ,equation converge.dose relative tolarence contributing to convergence have relation to slope of F(x) at F(x)=0?
when i give a initial current in the conductor, the similar thing occurs.my teacher told me if oscilltotion happens,that's ok! is that beacause of accuration of hspice?
hi,
i used an cmos amplify as gain stage for a pierce oscillator.at the oscillation frequece,the phase shift of LCR network is larger than 1.when i add a large current pulse at the terminal of L,it start to oscillate with magnitude growing.But i find magnitude decreased even stop oscillation...
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