參數(shù)資料
型號: LA7775M
廠商: Sanyo Electric Co.,Ltd.
英文描述: Wideband FSK Receiver
中文描述: 寬帶FSK接收器
文件頁數(shù): 2/5頁
文件大?。?/td> 74K
代理商: LA7775M
No. 5736-2/5
LA7775M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
I
CCO
Ci21
20
26
mA
Preamplifier input capacitance
100 MHz
7
pF
k
dB
Preamplifier input resistance
Ri21
100 MHz
1
Preamplifier voltage gain
Gp
350 MHz
15
Mixer input capacitance
Ci24
100 MHz
7
pF
k
dB
Mixer input resistance
Ri24
100 MHz
1
Mixer conversion gain
Gc
350 MHz
F = 75 kHz dev, at 1 kHz
F = 75 kHz dev, at 1 kHz
25
–3 dB limiting sensitivity
Vi
10
16
dBμ
Demodulation output
Vo
180
250
mVrms
SAW switching threshold level
V19TH
1.35
1.50
1.65
V
Data output high level
V18H
4.5
V
Data output low level
V18L
0.5
V
Oscillator output
V2
117.2 MHz
0.35
Vp-p
Operating Characteristics
at Ta = 25°C (V
CC
= 5 V, f
o
= 106.5 MHz, fIF = 10.7 MHz)
Equivalent Circuit Block Diagram and Test Circuit
PREAMP
LIM.AMP
FMDET
OSC
RFGND
MIXER
SFE10.7MS2
1
1
3
510
1
2 k
1 k
330
390
10 k
10 k
DATA
SHAPER
24
23
22
21
20
GND
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
220 pF
470 pF
4
0.1
μ
F
0
F
0
μ
F
0
μ
F
4
0
μ
F
0
μ
F
4
μ
F
1
μ
H
3
H
0
1000 pF
2
20 pF
6 pF
20 pF
2
1
2
5 pF
1
OSC
OUTPUT
V
CC
V
CC
V
CC
T00078
SLO
OUTPUT
RF
INPUT
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