TK14551V 查看數據表（PDF） - Toko America Inc

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TK14551V

FM IF DETECTOR/AMPLIFIER

Toko America Inc  

TK14551V

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)

TA = 25 °C, unless otherwise specified.

DATA COMPARATOR

TRANSIENT RESPONSE

(FALL)

VCC = 3 V

OUT

(1V/div)

DATA COMPARATOR

OUTPUT DUTY RATIO

vs. INPUT VOLTAGE

100

VCC = 3 V

80

fin = 2 MHz

60

40

IN

(0.1V/div)

20

20 ns/div

0

0

100 200 300 400

VIN (mVP-P)

FM DEMODULATION

FREQUENCY

CHARACTERISTICS

1 pF

RD

22 k

C

VCC

836BH-0268

(TOKO)

DEMODULATION OUTPUT VOLTAGE

vs. DEMODULTING FREQUENCY

RD = 2.2 kΩ

2

0 dB = 104.4 mVrms

0

C = none

-2

-4 C = 1000 pF

-6

C = 330 pF

-8

VCC = 3 V

fin = 10.7 MHz

-10 dev. = 100 kHz

C=

47 pF

C=

10 pF

-12

1k 3k 10k 30k 100k 300k 1M

MODULATING FREQUENCY fm (Hz)

Page 14

S CURVE CHARACTERISTICS

2.0

1.6

RD = 1 k

VCC = 3 V

V = -20 dBm

IN

1.2

RD = 2.2 k

0.8

9.9 10.3 10.7 11.1 11.5

IF INPUT FREQUENCY (MHz)

DEMODULATION OUTPUT VOLTAGE

vs. DEMODULTING FREQUENCY

RD = 1.0 kΩ

2

0 dB = 30.7 mVrms

0

C = none

-2

-4 C = 1000 pF

-6

C = 330 pF

-8

VCC = 3 V

fin = 10.7 MHz

-10 dev. = 100 kHz

C=

10 pF

C=

47 pF

-12

1k 3k 10k 30k 100k 300k 1M

MODULATING FREQUENCY fm (Hz)

January 2000 TOKO, Inc.

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