Jan 23, 2009 #1 K kumaran1988 Newbie level 4 Joined Apr 2, 2007 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,316 Please suggest a mos circuit to amplify 5mV peak spike like input to square pulses(full swing). The width of a spike is around 1nsec. A sample input is shown in the file attached.[/img]
Please suggest a mos circuit to amplify 5mV peak spike like input to square pulses(full swing). The width of a spike is around 1nsec. A sample input is shown in the file attached.[/img]
Jan 24, 2009 #2 S strennor Advanced Member level 4 Joined Dec 9, 2003 Messages 104 Helped 18 Reputation 36 Reaction score 3 Trophy points 1,298 Activity points 488 Wow, GHz bandwidth, <5mV input offset and noise... is it possible? i don't know...
Jan 24, 2009 #3 K kumaran1988 Newbie level 4 Joined Apr 2, 2007 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,316 Must be possible.. All it requires is a high speed comparator or amplifier. Any idea.?
Jan 24, 2009 #4 H hock Advanced Member level 2 Joined May 28, 2001 Messages 524 Helped 47 Reputation 94 Reaction score 21 Trophy points 1,298 Location India Activity points 3,567 looks like you want to amplify some kind of radiation detector pulses. if it is correct then please use a Charge Sensitive Amplifier. also keep in mind the thermal noise issues, cool the circuit. hock
looks like you want to amplify some kind of radiation detector pulses. if it is correct then please use a Charge Sensitive Amplifier. also keep in mind the thermal noise issues, cool the circuit. hock
Jan 25, 2009 #5 K kumaran1988 Newbie level 4 Joined Apr 2, 2007 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,316 @hock Did you notice the pink area at the top of the plot? It's not any radiation sensor output. The signal is from a combinational circuit.
@hock Did you notice the pink area at the top of the plot? It's not any radiation sensor output. The signal is from a combinational circuit.
Jan 26, 2009 #6 M mushi_mushi Newbie level 3 Joined Oct 27, 2008 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,296 is is important power dissipation or not?
Jan 26, 2009 #7 L lladnar23 Full Member level 4 Joined Mar 20, 2006 Messages 196 Helped 36 Reputation 72 Reaction score 3 Trophy points 1,298 Activity points 2,482 Since the signal looks synchronous, maybe you can use a clocked comparator? 1ns might be enough time for a fast comparator to do it's thang...
Since the signal looks synchronous, maybe you can use a clocked comparator? 1ns might be enough time for a fast comparator to do it's thang...