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Preliminary
5-36
RF2484
Rev A2 010829
5
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
VCC
VREF/QREF
IREF
C8
100 nF
C7
3pF
C6
100 nF
C5
3pF
C2
100 nF
C1
3pF
C3
3pF
C4
100 nF
J2
LO
J1
RFOUT
VCC
J4
QSIG
J3
ISIG
R1a*
0
Ω
R1
0
Ω
U1
-45°
+45°
5
13
12
11
10
14
7
8
6
9
15
16
1
2
3
4
Σ
P1
1
2
3
CON3
P1-1
VCC
GND
GND
P2
1
2
3
CON3
P2-3
IREF
GND
P2-1
VREF/QREF
2484400-
NOTES:
1. R1 is installed for non-independent control of I and Q
reference voltages.
R1a gives independent control of reference voltages.
2. Components with * following the reference designator
should not be populated on the evaluation board.