Mar 21, 2006 #1 eng_Semi Full Member level 6 Joined May 3, 2005 Messages 325 Helped 37 Reputation 74 Reaction score 6 Trophy points 1,298 Location Egypt Activity points 4,111 Dear ALL, How can I get a large on chip resistor, in order of 100MΩ with a MOS resistor ? Thanks in advance
Dear ALL, How can I get a large on chip resistor, in order of 100MΩ with a MOS resistor ? Thanks in advance
Mar 22, 2006 #2 W wan Junior Member level 2 Joined Aug 24, 2005 Messages 23 Helped 2 Reputation 4 Reaction score 1 Trophy points 1,283 Activity points 1,505 You can search patent on large resistor implement. There are some ways. I saw intel's patent on larger resistor.
You can search patent on large resistor implement. There are some ways. I saw intel's patent on larger resistor.
Mar 22, 2006 #3 G gevy Full Member level 6 Joined Nov 17, 2004 Messages 340 Helped 60 Reputation 120 Reaction score 29 Trophy points 1,308 Location Russia Activity points 2,167 You can use switched capacitor as large resistor R = 1 / ( C * F ), where F - frequency of switching.
You can use switched capacitor as large resistor R = 1 / ( C * F ), where F - frequency of switching.
Mar 22, 2006 #4 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 Very long channel with narrow width PMOS. And the PMOS should be turn on. For 100M Ohm, the L/W may be >1000/1.
Very long channel with narrow width PMOS. And the PMOS should be turn on. For 100M Ohm, the L/W may be >1000/1.