CA3189 Просмотр технического описания (PDF) - Intersil
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CA3189 Datasheet PDF : 8 Pages
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oTypical Performance Curves
CA3189
V+ = 12V, TA = 25oC
0 SEE FIGURE 1
12
RECOVERED AUDIO FROM FULL
-10
OUTPUT (LEFT COORDINATE)
10
-20
TUNER AGC DC
VOLTAGE AT TERM. 15
8
(RIGHT COORDINATE)
-30
(PIN 15 TO PIN 13)
6
-40
VOLTAGE AT TERM. 13
4
METER CIRCUIT (33kΩ
-50
TO GND) (RIGHT
2
COORDINATE)
-60
1
10
100
1K
10K
100K
INPUT SIGNAL (µV)
FIGURE 4. MUTING ACTION, TUNER AGC, AND TUNING
METER OUTPUT vs INPUT SIGNAL VOLTAGE
V+ = 12V, TA = 25oC
200
10
7
150
5kΩ µA
SEE FIGURE 1
100
50
0
-50
-100
-150
-100
-50
0
50
100
150
CHANGE IN FREQUENCY (kHz)
FIGURE 5. AFC CHARACTERISTICS (CURRENT AT
TERMINAL 7 vs CHANGE IN FREQUENCY)
V+ = 12V, TA = 25oC
140
120
100
80
60
40
20
0
5
10
15
20
25
LOAD RESISTANCE (BETWEEN TERM. 7 AND TERM. 10) (kΩ)
FIGURE 6. DEVIATION MUTE THRESHOLD vs LOAD
RESISTANCE (BETWEEN TERMINAL 7 AND
TERMINAL 10)
0
-10
-20
-30
-40
-50
-60
-70
-80
1
SIGNAL (DEVIATION = ±75kHz)
CA3189E ONLY
CA3189E PRECEDED BY
FILTER AND GAIN STAGE
CA3189E PRECEDED BY
2 FILTER AND GAIN STAGES
NOISE
10
102
103
104
105
SIGNAL LEVEL (µV)
FIGURE 7. TYPICAL LIMITING AND NOISE CHARACTERISTICS
All Harris semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Harris semiconductor products are sold by description only. Harris Semiconductor Communications Division reserves the right to make changes in circuit design
and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information fur-
nished by Harris is believed to be accurate and reliable. However, no responsibility is assumed by Harris or its subsidiaries for its use; nor for any infringements
of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Har-
ris or its subsidiaries.
For information regarding Harris’ Semiconductor Communications Division and its products, call 1-800-4-HARRIS or see web
site http://www.semi.harris.com
Sales Office Headquarters
NORTH AMERICA
Harris Semiconductor
Communications Division
P. O. Box 883, Mail Stop 53-210
Melbourne, FL 32902
TEL: 1-800-442-7747
(407) 727-9207
FAX: (407) 724-3973
EUROPE
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Mercure Center
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1130 Brussels, Belgium
TEL: (32) 2.724.2111
FAX: (32) 2.724.22.05
ASIA
Harris Semiconductor
Communications Division
Taiwan Limited.
7F-6, No. 101 Fu Hsing North Road
Taipei, Taiwan
Republic of China
TEL: (886) 2 2716 9310
FAX: (886) 2 2715 3029
8
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