Jun 22, 2011 #1 R r@m$ Junior Member level 3 Joined Jun 8, 2011 Messages 25 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,283 Activity points 1,439 hii... I need to find out the current consumption of an OTA... but i dont know what is it actually.... what doe sit mean?? and how can i find??
hii... I need to find out the current consumption of an OTA... but i dont know what is it actually.... what doe sit mean?? and how can i find??
Jun 22, 2011 #2 leo_o2 Advanced Member level 4 Joined Sep 3, 2004 Messages 1,322 Helped 278 Reputation 558 Reaction score 241 Trophy points 1,343 Location China Activity points 5,761 Probe supply current with simulation. However, it depends on loading condition.
Jun 22, 2011 #3 R r@m$ Junior Member level 3 Joined Jun 8, 2011 Messages 25 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,283 Activity points 1,439 thanx for the reply leo_o2 but i didnt understand what u said.... here is the OTA cirucit for which I need to find the current consumption.. can u help me..??
thanx for the reply leo_o2 but i didnt understand what u said.... here is the OTA cirucit for which I need to find the current consumption.. can u help me..??
Jun 22, 2011 #4 leo_o2 Advanced Member level 4 Joined Sep 3, 2004 Messages 1,322 Helped 278 Reputation 558 Reaction score 241 Trophy points 1,343 Location China Activity points 5,761 In simulation, you need to add a voltage source between vdd and vss. And probe the current of the voltage source and obtain the current consumption.
In simulation, you need to add a voltage source between vdd and vss. And probe the current of the voltage source and obtain the current consumption.
Jun 22, 2011 #5 R r@m$ Junior Member level 3 Joined Jun 8, 2011 Messages 25 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,283 Activity points 1,439 tanx for the reply... And do u think it doesnt vary with the input voltage??
Jun 22, 2011 #6 leo_o2 Advanced Member level 4 Joined Sep 3, 2004 Messages 1,322 Helped 278 Reputation 558 Reaction score 241 Trophy points 1,343 Location China Activity points 5,761 If good bias is employed, the current consumption will vary little as input voltage changes.