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11-228
RF2945
Rev A10 000919
11
Evaluation Board Schematic - 915MHz
(Download Bill of Materials from www.rfmd.com.)
C21
10 pF
L5
6.8 uH
C6
22 pF
C7
22 pF
C24
11 pF
C26
0.1 uF
R7
10
Ω
RX ENABL
P3-3
TX ENABL
P3-2
F1
SFE10.7MA21
R3
51 k
Ω
C11
10 pF
RSSI
F2
SFE10.7MA21
U4
CDF
107B-
A0-001
10.7 MHz
C15
10 nF
C47
6.8nF
R87*
0
Ω
C50
22 pF
C17 22 pF
L3
8.2 nH
L2
8.2 nH
C16
2pF
C18 0.1 uF
R4
100
Ω
D1
SMV1233
-011
C1
22 pF
R1
10
Ω
P2-1
LVL ADJ
PLL LOOP BW ~5 kHz
R60
0
Ω
L7*
TBD
C58*
10 nF
R12
100
Ω
J5
REF OSC
R27
12 k
Ω
R28
12 k
Ω
R29
12 k
Ω
R24
27 k
Ω
R25
27 k
Ω
R26
27 k
Ω
P4-1
P4
RSSI
GND
1
2
P3-3
P3
1
2
3
4
5
TX ENABL
GND
RX ENABL
P3-2
NC
NC
P3-5
P3-4
V
PLL (LMX2315)
V
CC (RF2945)
P1-1
P1-3
P1
GND
1
2
3
P2-1
P2-3
P2
GND
1
2
3
LVL ADJ
NC
C81 4.7 uF
C30*
5pF
C8
5pF
L1
8.2 nH
C9
5pF
J2
RF
C10
10nF
C12
10nF
C13
10nF
J1
RX OUT
J4
MOD IN
C27*
10 nF
J3
MIX OUT
* Denotes components that are normally depopulated.
16
17
23
2
10
8
Linear
RSSI
31
LNA
6
4
1
32
26
24
25
13
19
18
11
15
14
22
21
29
PA
Control
Logic
12
3
5
7
9
20
30
28
27
Gain
Control
C19
2.2 nF
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
FLD
CPD
GND
GND
fNb
fIN
Vcc1
OSCin
Vp
Vcc2
FD/LD
LE
DATA
CLK
CE
GND
C33
0.1 uF
C32
22 pF
VPLL
R13
1.2k
Ω
C41
100 pF
C44
22 pF
C43
.01 uF
C34
1nF
R30
51
Ω
LMX2316
C49
TBD
L6*
2.2 uH
C28*
120 pF
R84
0
Ω
R83
0
Ω
C55*
100 pF
R8
8.2 k
Ω
C25
22 pF
R9
10
Ω
VCC1
C57*
100 pF
C56*
330 pF
L11*
680 nH
R82*
560
Ω
C54*
100 pF
C53*
330 pF
L10*
680 nH
R86
0
Ω
R85
0
Ω
C52*
100 pF
R81*
560
Ω
BW=400 kHz
10.7 MHz
VPLL
P6
DB9
R88
0
Ω
L8
4.7
uH
C51*
CAPVAR
C31
39
pF
R5*
4.3
k
Ω
C20
10 nF
2945400B
V
CC
50
Ω µstrip
V
CC
C2
0.1 uF
C3
0.1 uF
C4
22 pF
R2
10
Ω
C23
0.1
µf
L4
12 nH
R6*
N/C
V
CC
C22
22 pF
R80
0
Ω
C14
10 nF
C42 0.1 uF
R14
10 k
Ω
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