Are current mirrors useful in discrete component designs?
B Thread Starter bikerider60 Joined Jan 6, 2010 2 Jan 6, 2010 #1 Are current mirrors useful in discrete component designs?
B Thread Starter bikerider60 Joined Jan 6, 2010 2 Jan 6, 2010 #3 Can someone post an example of a discrete component design with one or more current mirrors?
Jony130 Joined Feb 17, 2009 5,488 Jan 6, 2010 #4 Well, yes. Audio amplifiers http://www.audio-circuit.dk/Schematics/Accuphase-A680-pwr-sch.pdf http://www.audio-circuit.dk/Schematics/Cambridge-A500-int-sch.pdf http://www.audio-circuit.dk/Schematics/NAD-C370-int-sch.pdf VCO
Well, yes. Audio amplifiers http://www.audio-circuit.dk/Schematics/Accuphase-A680-pwr-sch.pdf http://www.audio-circuit.dk/Schematics/Cambridge-A500-int-sch.pdf http://www.audio-circuit.dk/Schematics/NAD-C370-int-sch.pdf VCO
SgtWookie Joined Jul 17, 2007 22,230 Jan 8, 2010 #6 It helps accuracy quite a bit if there is good thermal coupling between the two transistors. It's really better to use a matched pair that are on the same substrate. It's difficult to get better thermal coupling than that.
It helps accuracy quite a bit if there is good thermal coupling between the two transistors. It's really better to use a matched pair that are on the same substrate. It's difficult to get better thermal coupling than that.
