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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)： | 13/24頁 |
| 文件大?。?/td> | 742K |
| 代理商： | RF2945 |
11-227
RF2945
Rev A10 000919
11
T
Applic ation S chematic - 915 MHz
IF =25 MHz, BW =2 MHz
25
26
29
31
32
8
6
4
2
1
24
23
22
21
19
18
17
PA
LNA
Control
Logic
Gain
Control
Linear
RSSI
27
28
30
3
5
7
9
10
11
12
13
14
15
16
20
TX ENABL
C6
22 pF
C7
22 pF
L4
10 nH
C21
10 pF
C22
22 pF
C23
0.1 uF
R7
10
C13
10 nF
C12
10 nF
C57
100 pF
L5
680 nH
C25
22 pF
C26
0.1 uF
R9
10
C10
10 nF
C11
10 pF
R3
51 k
RSS
I
C14
10 nF
C15
10 nF
C19
2.2 nF
C31
39 pF
50
μ
strip
R80
0
C30*
4 pF
C8
4 pF
L1
8.2 nH
C9
4 pF
J2
RF
R6*
N/C
L11
680 nH
C55
39 pF
C24
5 pF
C5
4.7 uF
+
C27
39 pF
VCC
C54
10 pF
C53
47 pF
L10
680 nH
C56
3 pF
C59
47 pF
L9
680 nH
C52
10 pF
C51*
4-22 pF
L8
680 nH
C20
10 nF
J4
MOD IN
50
μ
strip
L3
8.2 nH
C16
2 pF
D1
SMV1233-011
L2
8.2 nH
C17
22 pF
C18
0.1 uF
C81
4.7 uF
R4
100
VCC2
R14
10 k
C48
4.7 nF
R13
30 k
R12*
100
C47
330 pF
L7*
TBD
C50
22 pF
R60
0
C41
100 pF
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Vp
FLo
VCC2
CPo
Fo/LD
GND
LE
GND
Data
fINb
Clock
fIN
CE
VCC1
GND
OSCin
C43
0.1 uF
C44
22 pF
VPLL
C34
1 nF
VPLL
R24
27 k
R27
12 k
C32
22 pF
C33
0.1 uF
R11
10
VPLL
R25
27 k
R28
12 k
R26
27 k
R29
12 k
R30
51
50
μ
strip
J5
REF OSC
RX ENABL
LVL ADJ
DATA OUT
C4
22 pF
C3
0.1 uF
R2
10
R1
10
C1
22 pF
C2
0.1 uF
C82
4.7 uF
+
C29
4.7 uF
+
VPLL/VCC2
1
2
P1
CON2
P1-1
VCC1
GND
P4
1
2
CON2
P4-1
RSSI
GND
N/C
GND
P2-1
LVL ADJ
P2
1
2
3
CON3
P3
1
2
3
CON3
P3-1
TX ENABL
GND
P3-1
RX ENABL
P7
1
2
3
CON3
P7-1
VCC2
P7-3
VPLL
GND
P8
1
2
CON2
GND
P8-1
RX OUT
P6
DB9
4
9
5
7
6
1
8
3
2
LMX2316
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