lm134-mdc National Semiconductor Corporation, lm134-mdc Datasheet - Page 11

• Manufacturer Part Number: lm134-mdc
• Description: 3-terminal Adjustable Current Sources
• Manufacturer: National Semiconductor Corporation

Typical Applications
*Select Q1 or Q2 to ensure at least 1V across the LM134. V
I
*Z
SET
OUT
/I
DSS
≈ −16 • R1 (R1/V
) ≥ 1.2V.
Generating Negative Output Impedance
IN
must not exceed I
FET Cascoding for Low Capacitance and/or Ultra High Output Impedance
SET
(Continued)
00569723
)
00569721
Buffer for Photoconductive Cell
p
(1 −
FIGURE 4.
11
*Use minimum value required to ensure stability of protected device. This
minimizes inrush current to a direct short.
Schematic Diagram
00569751
In-Line Current Limiter
00569722
00569709
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