RF2945 RF Micro Devices, RF2945 Datasheet - Page 16

• Manufacturer Part Number: RF2945
• Description: 433/868/915MHZ FSK/ASK/OOK TRANSCEIVER
• Manufacturer: RF Micro Devices

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