RF2444
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
P2
1
P3
P1
GND
GS
VCC3
GND
OE
1
1
2
3
C17
2
2
3
4
VCC1, VCC2
CE
4.7
µ
F
GND
VCC4
C18
4.7
µ
F
C6
22 nF
VCC4
C10
22 pF
GS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
50
Ω
µ
strip
50
Ω
µ
strip
*R2
50 Ω µstrip
J4
LNA
50
Ω
µ
strip
50 Ω µstrip
LNA OUT
J1
LNA IN
C7
3 pF
*C15
22 pF
C1
2 pF
0
Ω
Bias
Circuits
CE
Bandpass
Filter
VCC1
VCC2
C11
22 nF
C8
1.5 pF
*R3
0 Ω
*C16
22 pF
RF AMP
C3
3 pF
50
Ω
µ
strip
50 Ω µstrip
J5
MIX IN
L5
4.7 nH
50
Ω µstrip
R1
1k
L2
220 nH
C4
3 pF
Ω
C9
MIXER
L7
2.7 nH
22 nF
VCC3
OE
50
Ω µstrip
50
Ω
DIE FLAG (17)
µ
strip
C14
22 nF
2444400 Rev. A
L3
47 nH
C19
4 pF
8
L1
6.8 nH
50
Ω
Ω
µ
strip
J3
IF OUT
*For cascaded configuration, jumpers R2 and R3
need to be installed with C15 and C16 taken out.
C2
1 pF
*To test LNA and Mixer separately remove R2 and
R3, and fit C15 and C16.
50
µ
Ω
strip
50
µ
strip
J2
LO IN
C5
10 pF
8-60
Rev A3 010717
RFMD [ RF MICRO DEVICES ]
