#1
A dual-channel instrumentation amplifier includes two channels of PMOS transistor differential pairs which are configured in a Y-connection and cross-coupled to two diode-connected NMOS transistors. Each input channel has a non-linear voltage-current characteristic. But when the differential currents cancel at the NMOS transistor diodes, both input channels have the same differential input voltage, regardless of any non-linearity. As thus configured, a high accuracy instrumentation amplifier which operates in current mode is realized with excellent DC matching and high common mode rejection ratio. In one embodiment, the dual-channel instrumentation amplifier is used as input stage for the linear comparator to enable the linear comparator to operate at a high rate of speed with excellent channel matching.
Quote by FatalGear41
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Quote by Jason Jillard
HUMANITY WHATS WRONG WITH YOU.


Warwick Fortress>>Acoustic AB50

http://www.myspace.com/rustingbloom
#3
Quote by PollyWntsCrack
not a clue.

then why post?
Quote by FatalGear41
I wouldn't call what we have here on the Bass Forum a mentality. It's more like the sharing part of an AA meeting.

Quote by Jason Jillard
HUMANITY WHATS WRONG WITH YOU.


Warwick Fortress>>Acoustic AB50

http://www.myspace.com/rustingbloom
#4
where is that from and what exactly is it describing? it sounds like its just saying that their setup uses 2 types of FETs to create a highly accurate amplifier that (to me) sounds like it is made for providing a clean, loud representation of the signal. if you could post a link to where thats from (or even better, a schematic) i could possibly help more.
#5
Quote by jof1029
where is that from and what exactly is it describing? it sounds like its just saying that their setup uses 2 types of FETs to create a highly accurate amplifier that (to me) sounds like it is made for providing a clean, loud representation of the signal. if you could post a link to where thats from (or even better, a schematic) i could possibly help more.

it's a patent. I had an idea.
pickup--->preamp\
...........................------>instrument output
pickup--->preamp/

wanted to make sure it didn't mean that before I patented it.
Quote by FatalGear41
I wouldn't call what we have here on the Bass Forum a mentality. It's more like the sharing part of an AA meeting.

Quote by Jason Jillard
HUMANITY WHATS WRONG WITH YOU.


Warwick Fortress>>Acoustic AB50

http://www.myspace.com/rustingbloom