RF2945PCBA-L View Datasheet(PDF) - RF Micro Devices
Part Name
Description
MFG CO.
'RF2945PCBA-L' PDF : 24 Pages View PDF
RF2945
Evaluation Board Schematic - 868MHz
11
VCC
R2
10 Ω
C3
0.1 uF
C4
47 pF
VPLL
J1
RX OUT
P2-1
P3-3
P3-2
J2
RF
R1
10 Ω
C2
0.1 uF
C1
47 pF
LVL ADJ
RX ENABL
TX ENABL
L1
8.2 nH
C9
5 pF
R80
0Ω
C8
5 pF
C6
47 pF
50 Ω µstrip
C30*
5 pF
C7
47 pF
L4
12 nH
C50
47 pF
32 31 30 29 28 27 26 25
1
Control
Logic
2
PA
Gain
Control
3
4
5
LNA
R13
30 kΩ
PLL LOOP BW ~5 kHz
1
C48 4.7 nF R12
100 Ω
C49*
2
R14
C47
TBD
10 kΩ 330 pF
VCC
R4
3
100 Ω C81 4.7 uF
4
L3 C18 0.1 uF
8.2 nH
D1
C17 47 pF
SMV1233
-011
C16
3 pF
24
L2
8.2 nH
R87*
0Ω
C58*
10 nF
L7*
TBD
23
C19
2.2 nF
22
C51*
21
CAPVAR
R88
J4
MOD
INVPLL
0Ω
L8 C31
4.7 39
uH pF
R5*
4.3
kΩ
U4
CDF
107B-
A0-001
10.7 MHz
C43
.01 uF
5
C41
47 pF
6
R60
0Ω
7
8
C34
1 nF
C44
47 pF
20 C15
10 nF
C20
10 nF
P6
DB9
R30
51 Ω
6
VCC R7
10 Ω
7
C23 C22
R6*
0.1 µf 47 pF
N/C
8
Linear
RSSI
19
18
C14
17 10 nF
VCC1
R9
10 Ω
C26
0.1 uF
C21
9 pF
L5
8.2 uH
C25 R8 C24
47 pF 8.2 kΩ 12 pF
C55*
100 pF
BW=400 kHz
10.7 MHz
F2
9 10 11 12 13 14 15 16
C10
C12
C13
R86 SFE10.7MA21 R85
0Ω
0Ω
10 nF
10 nF
10 nF
C54*
100 pF
R83
RSSI
0Ω
F1
SFE10.7MA21
R84
0Ω
R3
51 kΩ
C11
10 pF
C53*
330 pF
L10*
680 nH
C52*
100 pF
R81*
560 Ω
R82*
560 Ω
L11* C56*
C57*
680 nH 330 pF 100 pF
C27*
10 nF
2945402-
P3
1 GND
FL0
CP0
GND
GND LMX2316
fINb
fIN
VCC1
OSCin
Vp 16
VCC2 15
F0/LD 14
LE 13
DATA 12
CLK 11
CE 10
GND 9
J5
REF OSC
R27
12 kΩ
R28
12 kΩ
R29
12 kΩ
R24 R25
27 kΩ 27 kΩ
P1
P1-1
1
VCC (RF2945)
2 GND
P1-3
3
VPLL (LMX2315)
R11
10 Ω
C32
47 pF
R26
27 kΩ
C33
0.1 uF
C28*
120 pF
L6*
2.2 uH
P3-2 2 TX ENABL
P2
P3-3 3 RX ENABL P2-1 1 LVL ADJ
P4
* Denotes components that are normally depopulated.
J3
MIX OUT
P3-4 4 NC
P3-5 5 NC
2 GND P4-1 1 RSSI
P2-3 3 NC
2 GND
11-230
Rev A10 000919
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