Datasheet

LM134, LM234, LM334
SNVS746C –MAY 2004–REVISED MARCH 2005 www.ti.com
Figure 21. Buffer for Photoconductive Cell
*Select Q1 or Q2 to ensure at least 1V across the LM134. V
p
(1 − I
SET
/I
DSS
) ≥ 1.2V.
Figure 22. FET Cascoding for Low Capacitance and/or Ultra High Output Impedance
*Z
OUT
≈ −16 • R1 (R1/V
IN
must not exceed I
SET
)
Figure 23. Generating Negative Output Impedance
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