Jul 8, 2007 #1 A ahmed709 Junior Member level 1 Joined Dec 22, 2006 Messages 18 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,425 How can i increase the swing of the unity gain amplifier, i tried to increase and decrease the (W/L) of the transistor but the swing is not very good. thanks in advance
How can i increase the swing of the unity gain amplifier, i tried to increase and decrease the (W/L) of the transistor but the swing is not very good. thanks in advance
Jul 9, 2007 #2 E ehsanelahimirza Full Member level 6 Joined Feb 24, 2006 Messages 334 Helped 28 Reputation 56 Reaction score 7 Trophy points 1,298 Activity points 3,570 Re: Unity gain amplifier have u checked its delay times i.e. its risetime and falltime time period check these things also
Re: Unity gain amplifier have u checked its delay times i.e. its risetime and falltime time period check these things also
Jul 9, 2007 #3 A A.Anand Srinivasan Advanced Member level 5 Joined Oct 15, 2005 Messages 1,792 Helped 257 Reputation 514 Reaction score 39 Trophy points 1,328 Location India Activity points 10,678 Re: Unity gain amplifier try increasing the biasing current... it would help.....
Jul 9, 2007 #4 A Anachip Member level 2 Joined May 28, 2005 Messages 42 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,752 Re: Unity gain amplifier Could be your opamp is limited by the input common mode range. Try to increase the slew rate of your opamp, that is by increasing the biasing current, which will help in fasten the rise and fall times.
Re: Unity gain amplifier Could be your opamp is limited by the input common mode range. Try to increase the slew rate of your opamp, that is by increasing the biasing current, which will help in fasten the rise and fall times.
Jul 9, 2007 #5 K kwkam Full Member level 5 Joined Feb 25, 2002 Messages 275 Helped 30 Reputation 60 Reaction score 13 Trophy points 1,298 Location Somewhere on earth Activity points 1,886 Unity gain amplifier Increase the tail current of the differential pair can increase the slew rate. But you have to check the phase margin.
Unity gain amplifier Increase the tail current of the differential pair can increase the slew rate. But you have to check the phase margin.