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vrs007,
both your papers are useful.The first is more interesting,while I'm thinking
of using cap array instead of resistor array.The second paper is some complicated and i'll read it more.
thank you very much.
Hello everyone,I'm designing a CMOS lowpass filter.Because the bandwidth of input signal is less than 2MHz,I choose the active RC filter type. A 4th order filter can be built by cascading two biquad blocks which every biquad contains two full differential OPA.I use capacitance array controlled...
Re: chinese language is difficult to learn ,but chinese peop
I'm Chinese.
In IC area,Just only say English,you need not to learn Chinese.
It's a trend that more and more Chinese icers can communicate in English.
Everybody here know that if he want to be a good engineer, he must
read top books...
Hi,
I have designed a 5th order Gm-C lowpass filter with CMOS0.25um Tech.
the cut-off frequency is 2MHz
The OTA structure is folded cascade with negative source degeneration using nmos channel resistor.The gm value is 10uA/V.The simulation result shows that the filter input noise is...
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