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Transconductance Amplifier

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aryajur

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Hello,
I need to design a Transconductance Amplifier with a Bandwidth of 1GHz in 0.18um or 0.13um CMOS process. Can anybody refer me some nice papers for this to begin with. Any help and suggestions would be appreciated.
 

I think you could use an inverter based transconductor, or Nauta's transcond. The main reference is the following paper:
"A CMOS Transconductance-C Filter Technique for Very High Frequencies", Bram Nauta, JSSC vol 27, no 2, Feb. 1992 (pp142-153).
It's a bit old, but I've seen the architecture used in recent paper with newer process and it lead to a high BW (over GHz).
By the way, what are the specs (gm, disto, noise...)? Actually I'm interested in the subject and found distortion is a major issue when going down to 0.13 (1.2V). If you have some remark or ideas.
Hope it helps.
 

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