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參數(shù)資料
| 型號(hào)： | MC13028AP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 接收器 |
| 英文描述： | C-QUAM AM STEREO ADVANCED WIDE VOLTAGE IF and DECODER for E.T.R. RADIOS |
| 中文描述： | AM, AUDIO DEMODULATOR, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 495K |
| 代理商： | MC13028AP |
MC13028A
11
MOTOROLA ANALOG IC DEVICE DATA
Figure 8. Stereo Noise and Stereo Composite
Distortion when Mono Transmitted
46
1000
40
10
STEREO THRESHOLD (dB
μ
V)
R
SIGNAL STRENGTH (dB
μ
V)
Figure 9. R1 versus Stereo Threshold Point
R
50
60
70
80
48
50
60
0
–10
– 20
– 40
100
10
– 60
– 30
– 50
7.0
4.0
5.0
3.0
1.0
2.0
0
6.0
D
52
54
56
58
R1 to Gnd
R1 to VCC
Stereo Audio Level
50 Hz to 3.0 kHz
Noise
5.0 Hz to 3.0 kHz
100 Hz to 3.0 kHz
400 Hz to 3.0 kHz
Stereo Composite Distortion
Figure 10. Decoder Separation versus Filter
Capacitor (Pin 14) Leakage Current
2.0
– 600
50
LEAKAGE CURRENT (10–9)
S
LEAKAGE CURRENT (10–9)
Figure 11. Decoder Distortion versus Filter
Capacitor (Pin 14) Leakage Current
D
– 200
0
200
400
600
– 200
0
200
400
600
45
40
35
30
1.0
20
25
– 600
– 400
– 400
Figure 12. Low Frequency Corner
of PLL Response
40
500
10
4.0
INPUT SIGNAL STRENGTH (dB
μ
V)
P
MODULATION FREQUENCY (Hz)
Figure 13. AGC Voltage versus
Input Signal Level
A
100
50
60
70
80
0
– 4.0
– 8.0
300
400
200
100
0
–12
Loop Filter 47
μ
F
Loop Filter 15
μ
F
Loop Filter 4.7
μ
F
90
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