Image-Reject Downconverter
RF210(A/B)
VCC
RFC
RFC
RFC
.01 µF
22 pF
22 pF
.01 µF
.01 µF
22 pF
100 pF
5
6
20
RF210
2.2
pF
2.2
pF
10
82 nH
82 nH
ENABLE
ENA
56 nH
68 nH
150 pF
IF XCVR
150 pF
Fujitsu
FAR-F5CE-947M50-D235
B4806
6
7
68 nH
68 nH
100 nH
FL200
1
Coil
17
16
IFOUT+
IFOUT-
6.8 nH
1.5 pF
0
IN2
OUT2
2
5
4
LNA900IN
In
1
Out
Ground
900 MHz GSM
90
2
5
IN1
Ground
OUT1
22 pF
90
100 nH
3
4 6
3
4 8
Siemens
400 MHz SAW Filter
(B4806)
68 nH
2K
GAINSEL
7
Gain Select
22 pF
IRM
Fujitsu
FAR-F6CE-1G8425-L2YB
FL201
0
1.5 nH
1.5 pF
LOIN 13
2
5
8
LNA1800IN
In
1
Out
Ground
LO
1800 MHz DCS
22 pF
90
3
4 6
ADJMIX 11
NC
1
2K
14 BANDSEL
BIAS
Band Select
22 pF
BYP900
BYP1800
Ground
18
2.2 nF
15
2.2 nF
2
3
9
12 19
C070
Figure 3. Typical RF210(A/B) Application Circuit
100775A
Conexant
5
Proprietary Information and Specifications are Subject to Change
October 20, 1999
CONEXANT [ CONEXANT SYSTEMS, INC ]
