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參數(shù)資料
| 型號(hào)： | TUA4401 |
| 英文描述： | FM Receiver Circuit |
| 中文描述： | 調(diào)頻接收機(jī)電路 |
| 文件頁(yè)數(shù)： | 29/32頁(yè) |
| 文件大小： | 832K |
| 代理商： | TUA4401 |
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Specification
TUA 4401
Semiconductor Group
30
1.6.99
IF amplifier
DC input voltage
Input resistance
Output resistance
V
41
R
41
R
45
4
330
330
V
Voltage gain
A
45-41
26
dB
V
44
= 1.5 V; see also
diagram SUB07h
V
44
= 3.5 V; see also
diagram SUB07h
R
G
= 330
Voltage gain
A
45-41
16
dB
Noise figure
IF limiter amplifier / fieldstrength generator
F
7
dB
Input voltage for limiter threshold
V
49
25
μ
V
rms
f
in
= 10.7 MHz;
V
54
- 3 dB
m
=
30
%
V
49
= 0 mV
rms
V
49
= 1 mV
rms
V
49
= 10 mV
rms
V
49
= 200 mV
rms
AM suppression
Fieldstrength voltage
Fieldstrength voltage
Fieldstrength voltage
Fieldstrength voltage
Fieldstrength dynamic range
Fieldstrength linearity
Fieldstrength temperature drift
FM demodulator / soft mute
A
AM
V
55
V
55
V
55
V
55
V
55dyn
V
55lin
V
55temp
80
dB
V
V
V
V
dB
dB
dB
0.5
tbf
tbf
4.5
90
±1
±3
AF output voltage
V
54
600
mV
rms
F = 75 kHz;
f
IF
=10.7 MHz
F = 75 kHz;
f
IF
= 21.4 MHz
F = 75 kHz
f
in
= 10.7 MHz
± 50 kHz
;
F = 75 kHz
V
53
= 0 V; see diagram
SUB03h
V
53
= 0 V; see diagram
SUB03h
AF output voltage
V
54
300
mV
rms
Total harmonic distortion
THD
54
0.5
%
Total harmonic distortion detuned THD
54
0.8
%
AF mute depth range
a
54
0
38
dB
AF full mute
a
54
80
dB
Multipath detector
Attack current
I
58
*)
800
μ
A
V
56
= 1 V
pp
;
V
m
= 5 V
V
56
= 0 V
pp
;
V
m
= 3.6 V
V
56
= 0 V
pp
f
56
= 25 kHz
V
56
= 160 mV
pp
f
56
= 200 kHz
V
56
= 160 mV
pp
Recovery current
I
58
*)
-9
μ
A
Start voltage
V
59Def
4.7
V
59Def
- 0.1 V
V
59Def
- 1 V
4.8
V
Detector characteristic
V
59
V
Detector characteristic
V
59
V
Reference voltage IF
V
43
V
Parameter
T
A
= 25
°
C,V
VCC
= 8.5V
Symbol
Limit Values
typ
Unit
Test conditions
min
max
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