[Moved]: GM-Cell VS Op-AmP

[zyadzezo]

i have question related to Gm-cell difference and op -Amp
why we use Gm-cell in high frequency applications
whats the benefits from op-amp and Gm-cell
when i choose this style or this style (some else other frequency constrain )
if any one have reference in Gm-cell advice me please
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i want some reference in DAC (digital to analog converter)
if anyone recommend good reference i will be very grateful

 

[Dominik Przyborowski]

Re: GM-Cell VS Op-AmP

It depends on the application. Gm ota's are widely used in low power filters while opamps has much wider spectrum.

About dac reference. The good point to start are two books: Rudy van der Plasche "CMOS integrated DACs and ADCs 2nd ed." and Franco Maloberti "Data Converters"