RF2945PCBA-L View Datasheet(PDF) - RF Micro Devices
Part Name
Description
MFG CO.
'RF2945PCBA-L' PDF : 24 Pages View PDF
RF2945
Evaluation Board Schematic - 433MHz
J2
RF
C9
8 pF
VCC1
J1
RX OUT
P2-1
P3-3
LVL ADJ
RX ENABL
L1
22 nH
C8
15 pF
P3-2
L9
22 nH
TX ENABL
C6
100 pF
C30
8 pF
C7
100 pF
VC R1
C 10 Ω
C2 C3
0.1µF 0.1µF
R2 VC
10 Ω C
C1 C4
22 pF 22 pF
C50
100 pF
32 31 30 29 28 27 26 25
1
Control
Logic
2
PA
3
4
G a in
C o n tro l
R13
4.7 kΩ
PLL LOOP BW ~5 kHz
C42 33 nF
C49
220 pF
VC
C R4 100 Ω C81 4.7 uF
R14
20 kΩ
1
R12*
100 Ω
2
C47
2.2 nF
3
4
L3 C18 0.1 uF
12 nH
D1
C17 100 pF
C41
5
100pF
SMV1235
6
-011
R60
C16
L2
L7*
0Ω
10 pF
24
12 nH
R87*
0Ω
C58*
10 nF
TBD
7
23
C19
2.2 nF
22
R88
J4
MOD
IN VPLL
8
C34
1nF
0Ω
U4
L8 C31 R5* CDF
21
C51*
3-10 pF
4.7 39
uH pF
107B-
4.3 A0-001
kΩ
1 0 .7
M Hz
C43 C44
.01 uF 22 pF
L4
5
LNA
47 nH
20 C15
10 nF
C20
10 nF
R30
P6
51 Ω
DB9
6
19
Linear
VC R7
C 10 Ω
C23
0.1 µF
R9
10 Ω
R6*
7
N /C
8
C22
100 pF
C21
33 pF
L5
6.8 uH
RSSI
9 10 11 12 13 14 15 16
C10
10nF
C12
10 nF
C13
10 nF
18
C14
17 10 nF
BW=400 kHz
10.7 M Hz
F2
R 86 SFE10.7MA21 R 85
0Ω
0Ω
C54*
C52*
C26
0.1 uF
C25
R8
C24
100 pF 8.2 kΩ 12 pF
R83
0Ω
C55*
100 pF
R84
F1
0Ω
S F E 10.7M A 21
R3
51 kΩ
RSSI
C11
10 pF
100 pF
C53*
330 pF
L10*
680 nH
100 pF
R81*
560 Ω
R82*
560 Ω
L11* C56*
680 nH 330 pF
C57*
100 pF
C27*
10 nF
2945401-
P3
1
GND
FLD
CPD
GND
GND
fN b
fIN
Vcc1
OSC in
P1-1
P1-3
LMX2316
VPLL
Vp 16
Vcc2 15
C32 C33
22 pF 0.1 uF
FD /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 R26
27 kΩ 27 kΩ 27 kΩ
P1
1
VCC (RF2945)
2 GND
3
VPLL (LM X2315)
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 com ponents that are norm ally depopulated.
J3
MIX O UT
P3-4 4 NC
P3-5 5 NC
2 G ND P4-1 1 RSSI
P2-3 3 NC
2 GND
11
Rev A10 000919
11-229
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