MGCT03
1GHz LO 2GHz LO
CONTROL
MICROPROCESSOR
1
28
27
26
25
24
23
AGC
POWER SAW
AMPS FILTERS
1900MHz
DUPLEXER
900MHz
DUPLEXER
2
3
4
V
CC
1900MHz
MATCHING
NETWORK
900MHz
MATCHING
NETWORK
OSC CONTROL
FROM PLL
5
6
7
8
MGCT03
22
21
20
19
18
17
16
15
V
CC
V
CC
9
10
11
12
13
14
OSC BIAS
OSC OUT
MIXED SIGNAL
INTERFACE
CIRCUIT
EXTERNAL
VHF OSCILLATOR
Figure 4 - Typical application circuit
V
CC
50Ω SAW
FILTER
50Ω SAW
FILTER
PIN 7
L5
5.6n
C4
1.2p
L4
5.6n
L3
3.9n
PIN 6
C2
1.2p
C4
1.5p
C2
100p
L5
22n
L4
22n
V
CC
C3
1.2p
C1
1.2p
L1
15n
L2
15n
C3
1.5p
C1
100p
L1
68n
L3
22n
L2
68n
PIN 9
PIN 8
NOTE
L1 and L2 are required to provide a DC feed to the output pins
and do not form part of the matching network
NOTE
L1 and L2 are required to provide a DC feed to the output pins
and do not form part of the matching network
Figure 5 - Typical 1900MHz output matching
network
Figure 6 - Typical 900MHz output matching
network
8
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
