> Isaac, any idea who it is that created the 'programmable' MOSFET? An
> initial googling isn't coming up with many useful results.


http://aldinc.com/pdf/ALD110800.pdf

Advanced linear Devices
This is a quad but there will be others.

________________


GENERAL DESCRIPTION
ALD110800A/ALD110800/ALD110900A/ALD110900  are monolithic quad/
dual N-Channel MOSFETs  matched at the factory using ALD=92s proven
EPAD CMOS technology. These devices are members of the EPAD
=AE
Matched Pair MOSFET Family.
Intended for low voltage, small signal applications, the ALD110800/
ALD110900 features zero threshold voltage, which reduces or eliminates
input to output voltage level shift, including circuits where the signal is
referenced to GND or V+.  This feature greatly reduces output signal
voltage level shift and enhances signal operating range, especially for
very low operating voltage environments. With these Zero-Threshold=99
devices an analog circuit with multiple stages can be constructed to
operate at extremely low supply or bias voltage levels. As an example,
an
input amplifier stage operating at 0.2V supply voltage has been demonstrate=
d.
ALD110800

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