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CA3189 Datasheet(PDF) 8 Page - Intersil Corporation

Part # CA3189
Description  FM IF System
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CA3189 Datasheet(HTML) 8 Page - Intersil Corporation

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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
Harris Semiconductor
Communications Division
Mercure Center
100, Rue de la Fusee
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
o
Typical Performance Curves
FIGURE 4. MUTING ACTION, TUNER AGC, AND TUNING
METER OUTPUT vs INPUT SIGNAL VOLTAGE
FIGURE 5. AFC CHARACTERISTICS (CURRENT AT
TERMINAL 7 vs CHANGE IN FREQUENCY)
FIGURE 6. DEVIATION MUTE THRESHOLD vs LOAD
RESISTANCE (BETWEEN TERMINAL 7 AND
TERMINAL 10)
FIGURE 7. TYPICAL LIMITING AND NOISE CHARACTERISTICS
INPUT SIGNAL (
µV)
V+ = 12V, TA = 25
oC
SEE FIGURE 1
RECOVERED AUDIO FROM FULL
OUTPUT (LEFT COORDINATE)
TUNER AGC DC
VOLTAGE AT TERM. 15
(RIGHT COORDINATE)
(PIN 15 TO PIN 13)
VOLTAGE AT TERM. 13
METER CIRCUIT (33k
TO GND) (RIGHT
COORDINATE)
1
10
100K
10K
1K
100
4
2
6
8
10
12
0
-10
-20
-30
-40
-50
-60
-100
CHANGE IN FREQUENCY (kHz)
-50
0
50
100
-150
-100
-50
0
50
100
150
150
200
µA
5k
V+ = 12V, TA = 25
oC
10
7
SEE FIGURE 1
LOAD RESISTANCE (BETWEEN TERM. 7 AND TERM. 10) (k
Ω)
0
V+ = 12V, TA = 25
oC
5
10152025
140
120
100
80
60
40
20
SIGNAL LEVEL (
µV)
SIGNAL (DEVIATION =
±75kHz)
10
1
102
103
104
105
-80
-70
-60
-50
-40
-30
-20
-10
0
NOISE
CA3189E ONLY
CA3189E PRECEDED BY
FILTER AND GAIN STAGE
CA3189E PRECEDED BY
2 FILTER AND GAIN STAGES
CA3189


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