參數(shù)資料
型號: RF2945
廠商: RF MICRO DEVICES INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: 433/868/915MHZ FSK/ASK/OOK TRANSCEIVER
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP32
封裝: 5 X 5 MM, PLASTIC, LQFP-32
文件頁數(shù): 15/24頁
文件大?。?/td> 742K
代理商: RF2945
11-229
RF2945
Rev A10 000919
11
T
Evaluation Board S chematic - 433MHz
L4
47 nH
C21
33 pF
L5
6.8 uH
C6
100 pF
C7
100 pF
C24
12 pF
C26
0.1 uF
R7
10
RX ENABL
P3-3
TX ENABL
P3-2
F1
SFE10.7MA21
C12
10 nF
C13
10 nF
R3
51 k
C11
10 pF
RSSI
F2
SFE10.7MA21
U4
CDF
107B-
A0-001
10.7
MHz
C15
10 nF
C14
10 nF
C47
2.2 nF
C50
100 pF
C3
0.1
μ
F
R2
10
V
C
C
C18 0.1 uF
R4 100
D1
SMV1235
-011
C2
0.1
μ
F
R1
10
V
C
C
P2-1
LVL ADJ
PLL LOOP BW ~5 kHz
R60
0
L7*
TBD
C42 33 nF
R12*
100
J5
REF OSC
R27
12 k
R28
12 k
R29
12 k
R24
27 k
R25
27 k
R26
27 k
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
C1
22 pF
C4
22 pF
C30
8 pF
C8
15 pF
L1
22 nH
C9
8 pF
J2
RF
R6*
N/C
C10
10nF
J1
RX OUT
C27*
10 nF
J3
MIX OUT
* Denotes components that are normally depopulated.
16
17
23
2
10
8
Linear
RSSI
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
4.7 k
C41
100pF
C44
22 pF
C43
.01 uF
R30
51
C34
1nF
LMX2316
R14
20 k
C49
220 pF
L6*
2.2 uH
C28*
120 pF
R84
0
R83
0
C55*
100 pF
R8
8.2 k
C25
100 pF
R9
10
VCC1
C57*
100 pF
C56*
330 pF
L11*
680 nH
R82*
560
C54*
100 pF
C53*
330 pF
L10*
680 nH
R86
0
R85
0
C52*
100 pF
R81*
560
BW=400 kHz
10.7 MHz
VPLL
P6
DB9
4
9
5
7
6
1
2
3
8
L8
4.7
uH
C51*
3-10 pF
C31
39
pF
R5*
4.3
k
C20
10 nF
V
C
C
2945401-
V
C
C
C23
0.1
μ
F
C22
100 pF
L9
22 nH
R87*
0
C17 100 pF
L3
12 nH
L2
12 nH
C16
10 pF
C58*
10 nF
J4
MOD IN
R88
0
31
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