Mar 29, 2006 #1 C chinito Full Member level 2 Joined Jul 5, 2004 Messages 128 Helped 11 Reputation 22 Reaction score 6 Trophy points 1,298 Activity points 1,204 I need to generate 4 phase clocks. what kind of circuit should I use? Thanks.
Mar 29, 2006 #2 E electronrancher Advanced Member level 1 Joined Mar 24, 2002 Messages 447 Helped 46 Reputation 92 Reaction score 11 Trophy points 1,298 Activity points 6,935 You can use a simple state machine that counts 0-3 and repeats. Decode each state, and AND it with the main clock for small pulses separated by 90 degrees, or you can decode the states into 50% duty cycle pulses with a bit more logic.
You can use a simple state machine that counts 0-3 and repeats. Decode each state, and AND it with the main clock for small pulses separated by 90 degrees, or you can decode the states into 50% duty cycle pulses with a bit more logic.
Mar 30, 2006 #3 H Hughes Advanced Member level 3 Joined Jun 10, 2003 Messages 715 Helped 113 Reputation 226 Reaction score 26 Trophy points 1,298 Activity points 5,984 Another method is to use a Delay-Locked Loop. The input clock and the four output clock phases are in the same frequency.
Another method is to use a Delay-Locked Loop. The input clock and the four output clock phases are in the same frequency.