Preliminary
RF2721
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
C4
100 nF
C5
100 nF
C1
100 nF
P1
50 Ω µstrip
J1
IF1
1
2
3
VCC
P1-1
P1-3
VCC
GND
PD
1
2
3
4
5
6
7
14
13
12
11
10
9
R1
51 Ω
POWER
CONTROL
PD
CON3
P2
C6
100 nF
1
2
P2-1
REF IN
GND
NC
J3
I OUT
C2
100 nF
5 kΩ
5 kΩ
J2
LO IN
3
QUAD
DIV.
BY 2
REF IN
R2
51 Ω
CON3
8
C7
100 nF
C3
100 nF
J4
2721400-
Q OUT
7
Rev A2 010509
2-31