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參數(shù)資料
| 型號(hào)： | 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)： | 16/24頁 |
| 文件大?。?/td> | 742K |
| 代理商： | RF2945 |
11-230
RF2945
Rev A10 000919
11
T
Evaluation Board S chematic - 868 MHz
C21
9 pF
L5
8.2 uH
C6
47 pF
C7
47 pF
C24
12 pF
C26
0.1 uF
R7
10
RX ENABL
P3-3
TX ENABL
P3-2
C10
10 nF
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
C47
330 pF
R87*
0
C17 47 pF
L3
8.2 nH
L2
8.2 nH
C16
3 pF
C18 0.1 uF
R4
100
D1
SMV1233
-011
C1
47 pF
R1
10
P2-1
LVL ADJ
PLL LOOP BW ~5 kHz
R60
0
L7*
TBD
C58*
10 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
C30*
5 pF
C8
5 pF
L1
8.2 nH
C9
5 pF
J2
RF
J1
RX OUT
J4
MOD IN
C27*
10 nF
J3
MIX OUT
* Denotes components that are normally depopulated.
16
17
23
2
10
8
Linear
RSSI
31
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
C33
0.1 uF
C32
47 pF
R13
30 k
C41
47 pF
C44
47 pF
C43
.01 uF
C34
1 nF
R30
51
C49*
TBD
L6*
2.2 uH
C28*
120 pF
R84
0
R83
0
C55*
100 pF
R8
8.2 k
C25
47 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
R88
0
L8
4.7
uH
C51*
CAPVAR
C31
39
pF
R5*
4.3
k
C20
10 nF
2945402-
V
CC
50
μ
strip
V
CC
C2
0.1 uF
C3
0.1 uF
C4
47 pF
R2
10
C23
0.1
μ
f
L4
12 nH
R6*
N/C
V
CC
C22
47 pF
R80
0
C14
10 nF
C48 4.7 nF
R14
10 k
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
FL
0
CP
0
GND
GND
fINb
fIN
VCC1
OSCin
Vp
VCC2
F
0
/LD
LE
DATA
CLK
CE
GND
LMX2316
C50
47 pF
R11
10
V
PLL
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