V
CC
1
4
7
2
3
10
8
9
11
18
16
17
12
15
14
13
6
5
V
REF
V
CC
V
REF
V
CC
V
CC
V
CC
V
REF
OFF
1.8V
OFF
Carrier
Input
4.8V
CH1 Output
GND
CH2 Output
GND
Carrier
Input
OFF
OFF
Signal
Input
High
Level
Limit
High
Level
Limit
Multiplier
Amp.
Multiplier
Amp.
DC
Offset
DC
Offset
AN2020S
Dual Balanced Modulator IC
s Overview
The AN2020S is an integrated circuit which incor-
porates two balanced modulators.
It can be used for a video-frequency-band dual am-
plifier, variable gain amplifier, balanced modulator,
demodulator, etc.
s Features
Low voltage operation:4.8V(typ.)
Carrier suppression:43dB(typ.)
Dual balanced modulator
Superimpose of DC offset to input signal available
External adjustment of high level limitation to input
signal
s Block Diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
0.4
0.25
1.27
1.3
0.1
0.1
0.3
5.4
0.3
7.7
0.3
0.15
0.65
1.5
0.2
12.6
0.3
Unit:mm
18-Pin PANAFLAT Package (SOP018-P-0300)
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