TK83361MTL 데이터 시트보기 (PDF) - Toko America Inc

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TK83361MTL

NARROW BAND FM IF IC

Toko America Inc  

TK83361M

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)

OUTPUT LEVEL, TOTAL HARMONIC

DISTORTION vs. IF DEVIATION

FREQUENCY

600

6.0

VCC =4.0V

500

fIF = 455kHz

VIF = +80dBµ

5.0

fm = 1kHz

400

4.0

300

3.0

200

2.0

VO(DET)

100

1.0

THD

0

0.0

0 1 2 3 4 5 6 7 8 9 10

fdev., IF DEVIATION FREQUENCY

(kHz)

9 - 4. Filter Amplifer Section

GAIN vs. INPUT FREQUENCY

70

VCC = 4.0V

60

Vin = 0.3mV

R1 = 510Ω

Rf = 470kΩ

50

40

30

1µF

+

20

11

Rf

10

1+µF

10

R1

0

1k

10k

100k

1M

fin, FILTER AMPLIFIER INPUT

FREQUENCY (Hz)

9 - 5. Squelch Section

SCAN CONTROL vs. SQUELCH

INPUT VOLTAGE

4.0

SC

SC

3.5

3.0

2.5

2.0

1.5

1.0

0

.60

VCC = 4.0V

.65

.70

.75

.80

VSQ, SQUELCH INPUT VOLTAGE(V)

December 2000 TOKO, Inc.

OUTPUT LEVEL vs. IF MODULATION

FREQUENCY

RD =

±0 20kΩ

10kΩ

-10

5kΩ

-20

VCC

-30 VCC =4.0V

fIF = 455kHz

VIF = +80dBµ

RD

QUAD

COIL

-40

fdev = ±3kHz

Pin 9: open

8

100 1k

10k

100k

1M

fm, IF MODULATION FREQUENCY (HZ)

INPUT LEVEL RESPONSE

10

100

THD

1

VOUT

10.0

100m

10m

0.1

VCC = 4.0V

Fin = 10kHz

R1 = 510Ω

Rf = 470kΩ

1

10

Vin, INPUT LEVEL(mVrms)

1.0

0.1

100

Page 5

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