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參數(shù)資料
| 型號(hào)： | TCA440 |
| 廠商： | SIEMENS AG |
| 英文描述： | AM Receiver Circuit |
| 中文描述： | AM接收電路 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 73K |
| 代理商： | TCA440 |
Characteristics
refer to application examples, f
i
= 1 MHz, f
osc
= 1.455 kHz, f
lF
= 455 kHz, V
CC
= 9 V, f
m
= 1 kHz, m = 0.8,
voltages refer to ground, T
a
= 20 to 25 °C, unless specified otherwise
min
typ
max
unit
Current and voltage supply
(no RF signal)
Supply voltage
V
14-8
4.5
9
15
V
Current consumption
V
14-8
= 4.5 V
V
14-8
= 9 V
V
14-8
= 15 V
I
14
I
14
I
14
7
mA
mA
mA
10.5
12
16
Entire receiver
RF level variation
with
V
NF
= 6 dB
with
V
NF
= 10 dB
V
RF
V
RF
65
80
dB
dB
NF output voltages
(symmetrically measured at 1-2)
V
iHF
= 20 μV, m = 0.8
V
iHF
= 1 mV, m = 0.8
V
iHF
= 500 mV, m = 0.8
V
iHF
= 20 μV, m = 0.3
V
iHF
= 1 mV, m = 0.3
V
iHF
= 500 mV, m = 0.3
V
NF(rms)
V
NF(rms)
V
NF(rms)
V
NF(rms)
V
NF(rms)
V
NF(rms)
60
140
260
350
50
100
130
mV
mV
mV
mV
mV
mV
100
560
RF input sensitivity
measured at 60
, m = 0.3,
R
G
= 540
signal-to-noise ratio
S + N/N = 6 dB
S + N/N = 26 dB
S + N/N = 58 dB
V
iRF
V
iRF
V
iRF
1
7
1
μV
μV
mV
Maximum RF input voltage
(THD = 10 %)
V
iHF
1.5
V
Total harmonic distortion
V
HF
= 500 mV
V
HF
= 30 mV
THD
THD
4.5
2.8
10
%
%
8
RF part
Input frequency range
f
iHF
0
50
MHz
Output frequency
f
|F
= f
osc
- f
iHF
f
IF
455
kHz
Control range
G
V
38
dB
4
12/95
TCA 440 / T
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|---|---|
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