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Preliminary
2-60
RF2119
Rev A8 010720
2
Evaluation Board Schematic
824MHz to 928MHz (VCC=3.5V)
(Download Bill of Materials from www.rfmd.com.)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C1
33 pF
C4
12pF
C5
5.6 pF
C9
3.3
µF
PACKAGE BASE
BIAS
CIRCUITS
L3
33 nH
L1
33 nH
3.9 nH
C6
33 pF
C8
1nF
C7
33 pF
C3
33 pF
P1-3
60-120 mils
L6
22 nH
L5 22nH
L4
1.8 nH
RF IN
P1-1
P1
GND
GND
1
2
3
RF OUT
P1-1
P1-1
VCC
P2
GND
VPC
1
2
3
GND
P1-3
PCB mat'l: FR-4;
Two Layer: (31 mils; w/plating)
Off of Pin 2: 60 mil microstrip line for 902
MHZ to 928 MHz and 75 mil microstrip line
for 890 MHZ to 915 MHz and 120 mil for 824
MHz to 849 MHz. Lumped element off of Pin
2 would be 1.2 nH to 2.0 nH to ground
depending on frequency band of interest.
Drawing 2119400-
L2
C2
33 pF
C10
1nF