CA3089 datasheet(3/8 Pages) INTERSIL

Teilenummer	CA3089

Bauteilbeschribung	OBSOLETE PRODUCT NO RECOMMENDED REPLACEMENT

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Hersteller	INTERSIL [Intersil Corporation]

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3

Test Circuits

NOTES:

4. All resistance values are in ohms.

5. L tunes with 100pF (C) at 10.7MHz.

6. Q0 (unloaded) ≅ 75 (G.I. Automatic Mfg. Div. EX22741 or equivalent)

NOTES:

7. All resistance values are in ohms.

8. T PRI. - Q0 (unloaded) ≅ 75 (tunes with 100pF (C1) 20↑ of 34e on

7/

32” dia. form).

9. SEC. - Q0 (unloaded) ≅ 75 (tunes with 100pF (C2) 20↑ of 34e on

7/

32” dia. form).

10. kQ (percent of critical coupling)

≅ 70%.

(Adjusted for coil voltage VC) = 150mV.

Above values permit proper operation of mute (squelch) circuit

“E” type slugs, spacing 4mm.

FIGURE 3. TEST CIRCUIT FOR CA3089E USING A SINGLE-

TUNED DETECTOR COIL

FIGURE 4. TEST CIRCUIT FOR CA3089E USING A DOUBLE-

TUNED DETECTOR COIL

AUDIO

OUT

SIGNAL

INPUT

VOLTAGE

14

4

15

13

5

12

0.001

µF

10

K

33K

0.001

µF

0.01

µF

6

FULL

SCALE

150

µA

2

3

0.01

µF

0.33

µF

0.5M

120K

470

TUNING METER

2.7K

0.02

µF

51

1

0.01

µF

11

0.05

µF

8

7

9

10

3.9K

100

C

L

5K

22

µH

AFC OUTPUT

V+ = 12V

pF

CA3089E

(NOTE 5)

AUDIO

OUT

SIGNAL

INPUT

VOLTAGE

14

4

15

13

5

12

0.001

µF

10

K

33K

0.001

µF

0.01

µF

6

FULL

SCALE

150

µA

2

3

0.01

µF

0.33

µF

0.5M

120K

470

TUNING METER

2.7K

0.02

µF

51

1

0.01

µF

11

0.05

µF

8

7

9

10

8.2K

100

C2

T (NOTE 8)

5K

22

µH

AFC OUTPUT

V+ = 12V

pF

CA3089E

C1

100

pF

3K

Test Applications

FIGURE 5. TYPICAL FM TUNER USING THE CA3089E WITH A SINGLE TUNED DETECTOR COIL

AUDIO

OUT

0.01

µF

6

3.9K

2.7K

CA3089E

2

14

4

9

8

11

10

22

µH

250pF

220pF

1

3

300

Ω

INPUT

IF OUT

FM

TUNER

100

CERAMIC

FILTER

0.01

µF

0.05

µF

330

V+ = 12V

C

100pF

L (NOTE 14)

CA3089E

Performance Data at fO = 98MHz, fMOD = 400Hz, Deviation = ±75kHz:

-3dB Limiting Sensitivity . . . . . . . . . . . . . . . . . . 2

µV (Antenna Level)

20dB Quieting Sensitivity . . . . . . . . . . . . . . . . . 1

µV (Antenna Level)

30dB Quieting Sensitivity . . . . . . . . . . . . . . . .1.5

µV (Antenna Level)

NOTES:

11. All resistance values are in ohms.

12. Waller 4SN3FIC or equivalent.

13. Murata SFG 10.7mA or equivalent.

14. L tunes with 100pF (C) at 10.7MHz Q0 unloaded ≅ 75

(G.I. EX22741 or equivalent).

(NOTE 13)

(NOTE 12)

CA3089

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