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Bill Cox
2014-09-30 09:20:28 -04:00
parent 3923ea6006
commit db1c595e79
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README.md
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@@ -83,9 +83,17 @@ below 1nA of input bias current will enable running at lower frequencies with le
To reproduce these simulations, download the TINA spice simulator from Ti.com.
Here's a "small" INM:
![Schematic of small Infinite Noise Multiplier](infnoise_small/schematic.png?raw=true "Small
Infinite Noise Multiplier")
Note that the upper left op-amp is used as a comparator, and must settle to either 0V or
Vsup before the lower left op-amp can multiply the input by 2X.
Here's a "fast" version that does two multiplications in parallel and uses the comparator
result to select the right one.
![Schematic of fast Infinite Noise Multiplier](infnoise_fast/schematic.png?raw=true "Small
Infinite Noise Multiplier")