AP431/AP431A
Adjustable Precision Shunt Regulator
Typical Performance Characteristics(Continued)
SMALL-SIGNAL VOLTAGE AMPLIFICATION vs. FREQUENCY
60
IKA=10mA
50
TA=25oC
40
30
20
15KΩ
9µF
8.25KΩ
Output
IKA
232Ω
+
-
GND
10
TEST CIRCUIT FOR VOLTAGE AMPLIFICATION
0
1K
10K
100K
1M
10M
f-Frequency-Hz
REFERENCE IMPEDANCE vs. FREQUENCY
100
IKA=10mA
TA=25oC
10
1
0.1
1K
10K
100K
1M
f-Frequency-Hz
1KΩ
50Ω
-
+
Output
I KA
GND
TEST CIRCUIT FOR REFERENCE IMPEDANCE
10M
Anachip Corp.
www.anachip.com.tw
Rev.1.0 May.7, 2004
7/17