U444 pairs equivalent, n-channel jfet pairs.
high speed amplification (slew
rate), high gain (typically> 6 mS), and low gate
leakage (typically < 1 pA). This performance
makes these devices perfect for use as wid.
Finally, its TO-78
hermetically sealed package is available with
military screening per MIL-S-19500.
(See
Section 1.
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