Jul 7, 2006 #1 S STOIKOV Full Member level 4 Joined Nov 18, 2005 Messages 236 Helped 8 Reputation 16 Reaction score 2 Trophy points 1,298 Activity points 3,083 to calculate oscillation frequency of these ring vco's, need to know the capacitance in each node of the ring. Know how to determine each one, or some reference ? The delay cell of single-ended and differential oscillators is shown in the picture.
to calculate oscillation frequency of these ring vco's, need to know the capacitance in each node of the ring. Know how to determine each one, or some reference ? The delay cell of single-ended and differential oscillators is shown in the picture.
Jul 8, 2006 #2 Z zyyang Member level 3 Joined Jan 19, 2006 Messages 54 Helped 3 Reputation 6 Reaction score 1 Trophy points 1,288 Location P.R. CHINA Activity points 1,560 for different voltage of the output ,the cap of mos is different ,so you can only calculate the average capacitor
for different voltage of the output ,the cap of mos is different ,so you can only calculate the average capacitor
Jul 10, 2006 #3 S STOIKOV Full Member level 4 Joined Nov 18, 2005 Messages 236 Helped 8 Reputation 16 Reaction score 2 Trophy points 1,298 Activity points 3,083 by helping me with Cox or how ? Circuit I have more doubts is about differential pair, to find its Vin and Vout capacitances
by helping me with Cox or how ? Circuit I have more doubts is about differential pair, to find its Vin and Vout capacitances