RF2945 RF Micro Devices, RF2945 Datasheet - Page 13

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

Rev A10 000919
VPLL/VCC2
DATA OUT
RX ENABL
TX ENABL
VCC
LVL ADJ
VCC2
RF
J2
10
R7
4 pF
8.2 nH
C9
L1
0.1 uF
C23
+
4 pF
4.7 uF
C8
R80
C5
0
22 pF
C22
C30*
4 pF
50
10
R9
10 nH
R6*
N/C
strip
L4
0.1 uF
+
C26
4.7 uF
C29
22 pF
22 pF
10 pF
C21
C6
C7
22 pF
+
C25
4.7 uF
C82
680 nH
39 pF
C27
L5
Applicat ion Schemat ic - 915 MHz
10
10
R2
R1
1
2
3
4
5
6
7
8
PA
Control
C24
5 pF
Logic
9
0.1 uF
0.1 uF
32
LNA
C3
C2
10
39 pF
31
Control
C55
Gain
10 nF
22 pF
22 pF
C10
C4
C1
30
11
680 nH
IF=25MHz, BW=2MHz
100 pF
L11
C57
29
12
100
R4
28
13
10 nF
C12
4.7 uF
C81
51 k
27
14
R3
Linear
RSSI
26
15
0.1 uF
C18
10 nF
10 pF
C13
C11
16
25
8.2 nH
22 pF
C17
L3
10 pF
47 pF
C16
2 pF
C54
C53
24
23
22
21
20
19
18
17
SMV1233-011
680 nH
L10
D1
C56
3 pF
10 nF
C14
8.2 nH
L2
10 k
22 pF
47 pF
4.7 nF
R14
C50
C59
C48
4-22 pF
2.2 nF
10 nF
C51*
C19
C15
30 k
R13
680 nH
100
R12*
330 pF
TBD
10 pF
R60
L7*
0
C52
C47
680 nH
L9
L8
50
10 nF
C20
strip
39 pF
C31
VPLL
22 pF
C44
MOD IN
RSS
I
J4
VPLL
100 pF
C41
0.1 uF
C43
REF OSC
J5
1 nF
C34
10
R11
50
P1-1
P4-1
51
R30
1
2
3
4
5
6
7
8
0.1 uF
C33
OSCin
strip
FLo
CPo
GND
GND
fINb
fIN
VCC1
LMX2316
CON2
CON2
P1
P4
1
2
1
2
VCC2
Fo/LD
Clock
Data
GND
CE
Vp
LE
22 pF
C32
VCC1
GND
RSSI
GND
16
15
14
13
12
11
10
9
VPLL
27 k
R24
P2-1
P7-1
P7-3
12 k
R27
CON3
CON3
P2
P7
1
2
3
1
2
3
RF2945
27 k
LVL ADJ
GND
N/C
VCC2
GND
VPLL
R25
12 k
R28
27 k
R26
12 k
R29
P3-1
P3-1
P8-1
DB9
CON3
CON2
P6
P3
P8
1
2
3
1
2
TX ENABL
GND
RX ENABL
RX OUT
GND
11-227
11