APPLICATIO S I FOR ATIO
Murphy Circuits
LT1193
5V
3+
2–
7
1
LT1193
+
8– 4
–5V
6 COAX
An Unterminated Cable Is
a Large Capacitive Load
W
W
SI PLIFIED SCHE ATIC
+3
–2
5V
3+
2–
7
1
LT1193
+
8– 4
–5V
6
1X SCOPE
PROBE
A 1X Scope Probe Is a
Large Capacitive Load
5V
3+
7
2–
1
LT1193
+
6
8– 4
–5V
SCOPE
PROBE
LT1193 • TA13
A Scope Probe on the Inverting
Input Reduces Phase Margin
VBIAS
VBIAS
+V
CM
C FF
+V
7 V+
6 VOUT
5
SHDN
1 +/REF
8 –/FB
*
* SUBSTRATE DIODE, DO NOT FORWARD BIAS
4 V–
LT1193 • TA16
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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