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6-40
RF2603
Rev A2 010403
6
Application Schematic
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
15 pF
15 pF
15 pF
TX ENABLE
7.5 pF
300
Ω
100 nH
T2
15 pF
4.7
µF
Transmission Lines
T1 and T2 Z
0 =73 Ω, θ = 29° @ 1.9 GHz
V
CC1
LO IN
RF OUT
V
CC2
V
CC3
IF IN
T1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
C2
15 pF
VCC1
C1
15 pF
J1
LO IN
J2
RF OUT
T1*
C3
15 pF
VCC2
TX ENABLE
C5
7.5 pF
J3
IF IN
R1
300
Ω
L1
100 nH
T2*
C4
15 pF
C6
4.7
µF
VCC3
C8**
DNI
2603400-
*T1 and T2, 73
Ω, Electrical Length = 29° @ 1.9 GHz
**Denotes components which should not be populated on evaluation board.
GND
GND
GND
P1-2
VCC2
P1-4
TX ENABLE
P1-5
VCC3
P1-3
VCC1
P1
1
2
3
4
5
6
7
CON7