Sep 19, 2010 #1 urian Full Member level 3 Joined Sep 3, 2009 Messages 154 Helped 10 Reputation 20 Reaction score 3 Trophy points 1,298 Activity points 2,500 I only know two ways,such as increasing the L of NMOS and using cascode structure,I wonder whether there is more way? Regard urian
I only know two ways,such as increasing the L of NMOS and using cascode structure,I wonder whether there is more way? Regard urian
Sep 19, 2010 #2 S sharonma Newbie level 4 Joined Sep 15, 2010 Messages 7 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,283 Activity points 1,323 You can try using a different topology, such as Wilson or Widlar current mirrors. Or just a simple cascode.
You can try using a different topology, such as Wilson or Widlar current mirrors. Or just a simple cascode.
Sep 19, 2010 #3 K kgl_13gr Member level 5 Joined May 11, 2004 Messages 84 Helped 13 Reputation 26 Reaction score 12 Trophy points 1,288 Activity points 745 There are also methods involving series feedback, the most common being source degeneration. Look for example also for regulated cascode. Of course cascoding is essentially series feedback too.
There are also methods involving series feedback, the most common being source degeneration. Look for example also for regulated cascode. Of course cascoding is essentially series feedback too.
Sep 21, 2010 #4 urian Full Member level 3 Joined Sep 3, 2009 Messages 154 Helped 10 Reputation 20 Reaction score 3 Trophy points 1,298 Activity points 2,500 thanks, sharonma, but I think Wilson is the same as cascode when refer to output impedance. hi,kgl,you really remind me of the source degeneration,thanks a lot
thanks, sharonma, but I think Wilson is the same as cascode when refer to output impedance. hi,kgl,you really remind me of the source degeneration,thanks a lot