ARA1400 Datasheet, PDF (2/12 Pages) ANADIGICS, Inc – Reverse Amplifier with Step Attenuator

ARA1400
RFOUT1 ATTIN
ATTOUT RFIN2
RFIN
AMP
56 dB 4 dB step digital attenuator section
AMP
RFOUT
ISET1
32 dB
16 dB
8 dB
4 dB
Figure 2: Functional Block Diagram
ISET2
Tx
1
GND
2
N/C
3
ATTIN
4
RFOUT1
5
VREF1
6
ATT ACG1
7
ATT ACG1
8
ATT ACG1
9
ATT ACG1
10
RFIN
11
ISET1
12
VATT
13
32 dB
14
16 dB
ATTOUT
28
ISET2
27
RFIN2
26
Tx
25
ATTACG3
24
ATTACG2
23
ATTACG2
22
ATTACG2
21
ATTACG2
20
RFOUT
19
VREF2
18
VA2
17
4 dB
16
8 dB
15
Figure 3: Pinout
2
Data Sheet - Rev 2.1
03/2004