MGCT02
AGC
POWER SAW
AMPS FILTERS
1900MHz
DUPLEXER
1900MHz
MATCHING
NETWORK
900MHz
DUPLEXER
900MHz
MATCHING
NETWORK
VCC
OSC CONTROL
OSC BIAS
VHF
SYNTHESISER
OSC OUT
EXTERNAL
VHF OSCILLATOR
CONTROL
MICROPROCESSOR
1
28
2
27
3
26
4
25
5
24
6
23
7
22
MGCT02
8
21
9
20
10
19
11
18
12
17
13
16
14
15
1GHz LO 2GHz LO
VCC
VCC
MIXED SIGNAL
INTERFACE
CIRCUIT
Figure 4 - Typical application circuit
VCC
50Ω SAW
FILTER
C3 C1 L1
1.2p 1.2p 15n
L2
15n
PIN 7
L4
L3
L5
5.6n 3.9n
5.6n
C4
1.2p
C2
1.2p
PIN 6
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
VCC
50Ω SAW
FILTER
C3 C1 L1
1.5p 100p 68n
L2
68n
PIN 9
L4
L3
L5
22n
22n
22n
C4
1.5p
C2
100p
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
Figure 6 - Typical 900MHz output matching
network
8