+5V
0.1
4
+5V
1
5 - 30pF
8
7
2
150
0.1
FROM
NETWORK
ANALYSER
0.1
8
75
75
GT4123B
TO
NETWORK
ANALYSER
4
CLC110
5
1
5
6
3
10k
0.1
-5V
B
A
0.1
-5V
All resistors in ohms, all capacitors in
microfarads unless otherwise stated
+1V
Fig. 2 Frequency Response, Cross Talk, Differential Gain & Phase Test Circuit
+5V
-5V
0.1
0.1
8
6
6dB AMPLIFIER
VIDEO OUT
GT4123B
V
±
A
1
7
75
75
75
4
3
2
V
B
150
5-30 pF
V
C
All resistors in ohms, all capacitors in
microfarads unless otherwise stated
Fig. 3 Typical Application Circuit
(VS = ±5V, unless otherwise specified)
GT4123B TYPICAL PERFORMANCE CURVES
0
-20
0.2
0.1
0
-40
VC - CHANNEL B
-60
-0.1
VS = ±12V
-80
-0.2
VS = ±±V
VC - CHANNEL A
-100
-120
-0.3
-0.4
1
10
100
0.1
1
10
100
FREQUENCY (MHz)
FREQUENCY (MHz)
Fig. 4 Frequency Response
Fig. 5 Crosstalk vs Frequency
±21 - 20 - 02
4 of ±
GENNUM [ GENNUM CORPORATION ]
