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參數(shù)資料
| 型號(hào)： | LA1245 |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | AUDIO SINGLE CHIP RECEIVER, PDIP20 |
| 封裝： | 0.300 INCH, DIP-20 |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大?。?/td> | 712K |
| 代理商： | LA1245 |
LA1245
No. 737-7/12
30
-70
-60
-50
-40
-30
-20
-10
0
Selectivity
Detuned frequency, -- kHz
JK124510
-30
-20
-10
0
10
20
mod 30%
output =
25dBm fixed
Attenuation
-
-dB
100
0
100
200
300
400
500
600
0
1
2
3
4
5
6
Detector output, THD -- modulation
Modulation -- %
Detector
output
-
mV
T
o
tal
harmonic
distoriton,
THD
-
-%
JK124512
0
204060
80
100dB/m
THD
Detector
output
130
10
40
35
30
25
20
15
ICC -- Input
Input -- dB/m
Current
drain,
I
CC
-
-mA
JK124514
30
50
70
90
110
VCC = 16V
12V
8V
16
0
500
400
300
200
100
osc voltage -- VCC
Supply voltage, VCC -- V
Oscillation
v
oltage
-
V
rms
JK124515
2468
10
12
14
16
1420
1460
1450
1440
1430
osc frequency -- VCC
Supply voltage, VCC -- V
Oscillation
frequenc
y
-
-kHz
JK124516
2
4
6
8
10
12
14
15
5
4
3
2
Detuned characteristic of signal meter
Detuned frequency -- kHz
JK124513
15
10
5
0
5
10
100dB/m
60dB/m
45dB/m
narrow band filter
BFB 450C4
Signal
Meter
Detector
Output
-
V
130 dB/m
dB
μ
-80
-60
-40
-20
0
8
6
4
2
Overall MW characteristics
Input signal
Detector
output,
Noise
output
-
-dBm
T
o
tal
harmonic
distortion,
THD
-
-%
JK124509
30
40
50
60
70
80
90
100
110
120
110
10
20
30
40
50
60
70
80
90
100
signal
Meter
Detector
Output
Detector Output (30%
mod)
Noise
Output
(30%
mod)
(80%
mod)
THD
1800
20
120
100
80
60
40
Receiving Frequency characteristics
Receiving Frequency -- kHz
Local
OSC
le
v
el
×
10mVrms,
Max,
Usable
-
-sensiti
vity
-
-dB/m
Image
and
If
interference
ratio
-
-dB
JK124511
400
600
800
1000
1200
1400
1600
mod 30%
Max. Sens. = Output -- Input level at 25dB
IF interference
Ratio
Image
frequenc
y
Interference
ratio
Usable sens.
Local Osc level
sens.
Max.
Signal
meter
detector
output
-
V
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