參數(shù)資料
型號(hào): MC2800
廠商: Motorola, Inc.
英文描述: FSK FM IF Receiver(FSK FM IF 接收器)
中文描述: FSK信號(hào)調(diào)頻(FSK信號(hào)調(diào)頻中頻接收器中頻接收機(jī))
文件頁(yè)數(shù): 19/28頁(yè)
文件大小: 473K
代理商: MC2800
MC2800
19
MOTOROLA RF/IF DEVICE DATA
C102
1.0
μ
F
C100
560 pF
C101
560 pF
C103
1.0
μ
F
L2
470
μ
H
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
C9
2.2 n
25
26
27
28
29
30
31
32
16
15
14
13
12
11
10
9
RF
Pwr
Mix
In
Mix
Gnd
Mix
Out
VCCIF1
In
Gnd IF1
Out
Vref 0.9 V
IF2 In
EN CL R1
R2
BRF
Out
BRF
2
BRF
1
Det
Out
Osc E (Osc Emitter)
Osc B (Osc Base)
Vreg 1.0 V
BD Out
D1
D2
VPk P
VPk N
RSSI (RSSI O/P)
Bias Ref
VDD
Lim Op (Limiter O/P)
PH Cont
Gnd
IF In
17.9 MHz
C11
0.1
μ
C20
4.7
μ
VDD
Y1
17.445 MHz
R3
100 k
C18
6–45 p
1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
J1
Interface
D1
CL
R2
VDD
Gnd
D2
EN
R1
VCC
C8
3.3 n
C14
4.7
μ
C16
10–90 p
C1
0.1
μ
C3
1.0
μ
L1
2.7
μ
H
C17
4.7
μ
C2
1.0
μ
VCC
U5
cfu 455d
Gnd
1
In
Out
2
3
C50
C6
VDD
C7
1000 p
R8
7.1 k
MC2800
C4
D2
R49
10 M
C12
100 n
R50
10 M
VCC
EN
CL
C15
4.7
μ
C21
0.1
μ
C19
1.0
μ
R2
R1
C10
22 n
4.7
μ
0.1
μ
47 p
R2
100 k
R1
100 k
VDD
100 n
C13
Capacitors
C100,C101
560 pF
Crystal (17.445 MHz)
Y1
1U0174450B2035BOX
Figure 10. Schematics of MC2800 Demo Board (One 455 kHz Ceramic Filter)
D1
Capacitors
C1,C6,C11,C12,C13,C21 0.1
μ
F
C2,C3,C19,C102,C103
C4
C7
C8
C9
C10
C14,C15,C17,C20,C50
Variable capacitors
C16
C18
1.0
μ
F
47 pF
1.0 nF
3.3 nF
2.2 nF
22 nF
4.7
μ
F
Inductors
L1
L2
2.7
μ
H
470
μ
H
10 to 90 pF
6.0 to 45 pF
Ceramic filter (455 kHz)
U5
CFWC455D–TC
Resistors
R1,R2,R3
R8
R49,R50
100 k
7.1 k
10 M
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