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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)： | 14/24頁 |
| 文件大?。?/td> | 742K |
| 代理商： | RF2945 |
11-228
RF2945
Rev A10 000919
11
T
Evaluation Board S chematic - 915 MHz
(Download Bill of Materials from www.rfmd.com.)
C21
10 pF
L5
6.8 uH
C6
22 pF
C7
22 pF
C24
11 pF
C26
0.1 uF
R7
10
RX ENABL
P3-3
TX ENABL
P3-2
F1
SFE10.7MA21
R3
51 k
C11
10 pF
RSSI
F2
SFE10.7MA21
U4
CDF
107B-
A0-001
10.7 MHz
C15
10 nF
C47
6.8nF
R87*
0
C50
22 pF
C17 22 pF
L3
8.2 nH
L2
8.2 nH
C16
2 pF
C18 0.1 uF
R4
100
D1
SMV1233
-011
C1
22 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
C10
10nF
C12
10nF
C13
10nF
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
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
1.2k
C41
100 pF
C44
22 pF
C43
.01 uF
C34
1 nF
R30
51
LMX2316
C49
TBD
L6*
2.2 uH
C28*
120 pF
R84
0
R83
0
C55*
100 pF
R8
8.2 k
C25
22 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
2945400B
V
CC
50
μ
strip
V
CC
C2
0.1 uF
C3
0.1 uF
C4
22 pF
R2
10
C23
0.1
μ
f
L4
12 nH
R6*
N/C
V
CC
C22
22 pF
R80
0
C14
10 nF
C42 0.1 uF
R14
10 k
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