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CA3189E 데이터시트(PDF) 3 Page - Intersil Corporation

부품명 CA3189E
상세설명  FM IF System
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제조업체  INTERSIL [Intersil Corporation]
홈페이지  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CA3189E 데이터시트(HTML) 3 Page - Intersil Corporation

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TABLE 1.
CA3189E FEATURES COMPARED TO CA3089E
FEATURES
CA3189E
CA3089E
Low Limiting Sensitivity (12
µV Typ)
Yes
Yes
Low Distortion
Yes
Yes
Single-Coil Tuning Capability
Yes
Yes
Programmable Audio Level
Yes
No
S/N Mute
Yes
Yes
Deviation Mute
Yes
No
Flexible AFC
Yes
Yes
Programmable AGC Threshold and Voltage
Yes
No
Typical S + N/N > 70 dB
Yes
No
Meter Drive Voltage Depressed at Very Low Signal Levels
Yes
No
On-Channel Step Control Voltage
Yes
No
Test Circuits
NOTES:
3. All resistance values are in ohms.
4. L tunes with 100pF (C) at 10.7MHz. Q0 (unloaded) ≅ 75 (TOKO No.
KACS K586HM or equivalent).
5. C = 0.01
µF for 50µs deemphasis (Europe).
C = 0.015
µF for 75µs deemphasis (USA).
FIGURE 1. TEST CIRCUIT FOR CA3189E USING A SINGLE-
TUNED DETECTOR COIL
NOTES:
6. All resistance values are in ohms.
7. T: PRI. - Q0 (unloaded) 75 (tunes with 100pF (C1) 20↑ of 34e on
7/
32” dia. form. SEC. - Q0 (unloaded) 75 (tunes with 100pF (C2)
20
↑ of 34e on 7/32” dia. form. kQ (percent of critical coupling)
70% (Adjusted for coil voltage (VC) = 150mV).
8. Above values permit proper operation of mute (squelch) circuit
“E” type slugs, spacing 4mm.
9. C = 0.01
µF for 50µs deemphasis (Europe) C = 0.015µF for 75µs
deemphasis (USA).
FIGURE 2. TEST CIRCUIT FOR CA3189E USING A DOUBLE-
TUNED DETECTOR COIL
AUDIO
OUT
SIGNAL
INPUT
VOLTAGE
14
4
15
13
5
12
0.01
µF
10
K
33K
0.01
µF
C
6
FULL
SCALE
150
µA
2
3
0.01
µF
0.33
µF
10K
470
TUNING METER
0.02
µF
51
1
0.01
µF
11
0.05
µF
8
7
9
3.9K
100
C
L
8.2K
22
µH
AFC
V+ = 12V
pF
CA3189E
16
OUT
10
5K
10
µF
10
µF
TO
PIN 13
47K
22K
1
µF
(NOTE
4)
(NOTE
5)
SIGNAL
INPUT
VOLTAGE
14
4
15
13
0.01
µF
10
K
33K
0.01
µF
FULL
SCALE
150
µA
2
3
0.01
µF
TUNING METER
0.02
µF
51
1
0.01
µF
11
0.05
µF
8
9
8.2K
100
C2
T (NOTE 7)
22
µH
V+ = 12V
pF
C1
100
pF
3K
AUDIO
OUT
5
12
C
6
0.33
µF
10K
470
7
8.2K
AFC
OUT
10
5K
10
µF
10
µF
22K
1
µF
16
TO
PIN 13
47K
CA3189E
(NOTE 9)
CA3189


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