LA1837

12

30

0

5.0

10

10.60 10.62 10.64 10.66 10.68 10.70 10.72 10.74 10.76 10.78

2

10

20

30

40

35 7 0.1

23

5 7 1.0

22

35 7 10

10.80

0.01

3

2

3

5

7

0.1

2

3

5

7

2

3

5

7

1.0

--80

--70

--60

--50

--40

--30

--20

--10

0

Overall FM Characteristics

--90

1.0

2.0

3.0

4.0

0.01

10

0

10

20

30

40

50

60

70

80

90

100

110

50

60

70

80

90

100 110

120

Input -- dB

μ

FM THD/VSM Characteristics

Distortion vs. Frequency Characteristics

0

1

2

3

4

5

0

120

Input -- dB

μ

Frequency, freq -- kHz

Frequency fc -- MHz

FM THD Band Characteristics

VCC = 9V

fc = 10.7MHz

fm = 1kHz, 75kHzdev

Out

VSM

No.5688-7/9

AM Out

Noise

VCC = 9V

fc = 10.7MHz

fm = 1kHz, 75kHzdev

THD

VIN = 100dBμ

fm = 1kHz, 75kHzdev

0

5

10

15

20

25

30

35

40

45

50

--90

--80

--70

--60

--50

--40

--30

--20

--10

0

0.01

0.1

23

5 7

1.0

23

5 7

10

2

3

5 7

90

110

130

150

170

190

210

2

Frequency, freq -- kHz

--6

--4

--2

0

2

4

6

0

10

20

30

40

50

60

70

80

90

10

20

30

2

12

14

46

8

10

40

Pilot -- mV

016

Rsdadj -- k

Ω

70

230

Frequency, fs -- kHz

Separation vs. Frequency Characteristics

Adjacent Channel Interference Rejection Ratio

Capture Range Characteristics

SD Sensitivity Adjustment Characteristics

IF = 10.7MHz, 100dB

μ, 75kHzdev

VS = 90%

PILOT = 10%

Referenced to the L-R

demodulated output.

Sep-R

Sep-L

LA1836

LA1837

CR+

CR-

FM

AM

FM

AM