Aug 1, 2007 #1 C cloudius Newbie level 5 Joined Oct 18, 2005 Messages 10 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 1,353 op comparator wiki input signal:20mv@160MHz sine wave output:digital signal (pulse wave) which circuit should I use?
op comparator wiki input signal:20mv@160MHz sine wave output:digital signal (pulse wave) which circuit should I use?
Aug 1, 2007 #2 C castrader Member level 1 Joined Jun 8, 2005 Messages 36 Helped 7 Reputation 14 Reaction score 1 Trophy points 1,288 Activity points 1,468 pre-amp + track-latch comparator
Aug 1, 2007 #3 C cloudius Newbie level 5 Joined Oct 18, 2005 Messages 10 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 1,353 castrader said: pre-amp + track-latch comparator Click to expand... do i need a 160MHz clock to control track-latch??
castrader said: pre-amp + track-latch comparator Click to expand... do i need a 160MHz clock to control track-latch??
Aug 2, 2007 #4 C caosl Advanced Member level 4 Joined Mar 26, 2006 Messages 114 Helped 17 Reputation 34 Reaction score 4 Trophy points 1,298 Activity points 1,969 yeah, you can seperate the pre-amp cycle and latch cycle using 160M clock!
Aug 2, 2007 #5 A Alan_Nesta Member level 5 Joined Aug 11, 2005 Messages 80 Helped 5 Reputation 10 Reaction score 0 Trophy points 1,286 Activity points 1,708 I think maybe 160MHz clock is not enough for 160MHz signal, maybe you should use multiphase sampling
Aug 8, 2007 #6 B bobchentan Junior Member level 3 Joined Aug 11, 2006 Messages 31 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,470 you can use basic comparator or limiter design, of course the track-latch is one kind which need clock
you can use basic comparator or limiter design, of course the track-latch is one kind which need clock
Sep 16, 2007 #7 A avt Member level 5 Joined Apr 25, 2005 Messages 86 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,981 I think you don't have to clock the comparator - you can just use a reg latch without clock ...
Sep 16, 2007 #8 M mince Member level 5 Joined Feb 19, 2005 Messages 82 Helped 10 Reputation 20 Reaction score 4 Trophy points 1,288 Location Texas Activity points 1,894 Just use an open loop high gain OTA with a couple of inverters as the load.
Feb 23, 2008 #9 A alasliu Junior Member level 1 Joined Dec 11, 2005 Messages 15 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,350 low offset pre amp + inverter maybe