LSK389.pdf part of Keithley LSK389 LSK389.pdf, Keithley 2001 ds LSK389.pdf text manual preview

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LSK389
ULTRA LOW NOISE
MONOLITHIC DUAL
Linear Integrated Systems N-CHANNEL JFET

FEATURES
ULTRA LOW NOISE en = 0.9nV/Hz (typ)
TIGHT MATCHING |VGS1-2| = 20mV max
HIGH BREAKDOWN VOLTAGE BVGSS = 40V max
HIGH GAIN Yfs = 20mS (typ) TO-71
LOW CAPACITANCE 25pF typ BOTTOM VIEW SOIC-A
IMPROVED SECOND SOURCE REPLACEMENT FOR 2SK389
S1 1 8 G2
ABSOLUTE MAXIMUM RATINGS1 G1 3 5 S2
D1 2 7 SS
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