ca3089 Intersil Corporation, ca3089 Datasheet - Page 3

• Manufacturer Part Number: ca3089
• Description: Fm If System
• Manufacturer: Intersil Corporation

Test Circuits
NOTES:
Test Applications
4. All resistance values are in ohms.
5. L tunes with 100pF (C) at 10.7MHz.
6. Q
VOLTAGE
FIGURE 3. TEST CIRCUIT FOR CA3089E USING A SINGLE-
SIGNAL
INPUT
0
NOTES:
11. All resistance values are in ohms.
13. Murata SFG 10.7mA or equivalent.
12. Waller 4SN3FIC or equivalent.
14. L tunes with 100pF (C) at 10.7MHz Q
(unloaded) 75 (G.I. Automatic Mfg. Div. EX22741 or equivalent)
(G.I. EX22741 or equivalent).
0.02
0.01 F
F
0.05 F
TUNED DETECTOR COIL
51
0.01
1
3
2
V+ = 12V
FIGURE 5. TYPICAL FM TUNER USING THE CA3089E WITH A SINGLE TUNED DETECTOR COIL
F
TUNING METER
11
4
INPUT
300
14
8
22 H
10
K
CA3089E
15
9
0.001
(NOTE 12)
3
(NOTE 5)
TUNER
3.9K
100
F
pF
FM
C
L
13
33K
0.001
150 A
FULL
SCALE
10
F
5
5K
0
12
7
unloaded 75
IF OUT
120K
470
0.5M
6
AFC OUTPUT
220pF
2.7K
0.01 F
0.33 F
250pF
0.01
F
AUDIO
OUT
CERAMIC
(NOTE 13)
FILTER
100
CA3089
Performance Data at f
-3dB Limiting Sensitivity . . . . . . . . . . . . . . . . . . 2 V (Antenna Level)
20dB Quieting Sensitivity . . . . . . . . . . . . . . . . . 1 V (Antenna Level)
30dB Quieting Sensitivity . . . . . . . . . . . . . . . .1.5 V (Antenna Level)
330
0.05 F
NOTES:
10. kQ (percent of critical coupling)
7. All resistance values are in ohms.
8. T PRI. - Q
9. SEC. - Q
FIGURE 4. TEST CIRCUIT FOR CA3089E USING A DOUBLE-
VOLTAGE
7
7
Above values permit proper operation of mute (squelch) circuit
“E” type slugs, spacing 4mm.
SIGNAL
/
/
INPUT
32
32
(Adjusted for coil voltage V
V+ = 12V
1
3
2
” dia. form).
” dia. form).
11
4
CA3089E
CA3089E
O
0.02
0.01 F
0
TUNED DETECTOR COIL
14
0
8
= 98MHz, f
F
(unloaded)
22
0.05 F
(unloaded)
H
9
51
100pF
3.9K
0.01
10
1
3
2
V+ = 12V
F
C
TUNING METER
11
4
MOD
6
0.01 F
8
14
75 (tunes with 100pF (C
L (NOTE 14)
2.7K
75 (tunes with 100pF (C
22 H
10
K
CA3089E
= 400Hz, Deviation = 75kHz:
15
9
0.001
C
) = 150mV.
8.2K
100
C
C
100
F
pF
pF
3K
1
2
13
AUDIO
OUT
70%.
33K
0.001
150 A
FULL
SCALE
10
T (NOTE 8)
F
5
5K
12
7
120K
470
0.5M
6
AFC OUTPUT
2.7K
2
1
) 20 of 34e on
) 20 of 34e on
0.33 F
0.01
F
AUDIO
OUT