TK10931VTL View Datasheet(PDF) - Toko America Inc

Part Name

Description

Manufacturer

TK10931VTL

NARROW BAND FM/AM IF SYSTEM

Toko America Inc  

TK10931V

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)

FM

AMP

RF AGC

RSSI

FM DET

0.1 µF

~

0.1 µF

0.1 µF 10 pF

30 kΩ

VCC 4.7 µH

+

10 µF

10 kΩ

0.01µF

V

7BRE-7437Z

0.1 µF

S-CURVE MEASUREMENT CIRCUIT (fIN = 455 kHz)

AM DETECTOR OUTPUT vs.

MIXER INPUT

0

20

-20

S+N+D

16

-40

12

-60

8

N

-80

-100

-20

THD2

4

THD1

0

0 20 40 60 80 100 120

VIN (dBµ)

AGC AMP OUTPUT VOLTAGE

vs. INPUT VOLTAGE

0

CARRIER

-20

-40

-60

DISTORTION

-80

-100

-20

0 20 40 60 80 100 120

VIN (dBµ)

Page 6

FM OUTPUT VOLTAGE vs.

INPUT FREQUENCY

0

Rd = 30 kΩ

DEV = ±3 kHz

-20

-40

-60

Rd = 30 kΩ // 1 kΩ

DEV = ±15 kHz

-80

1

10

100

fIN (kHz)

1000

AM DEMODULATION DETUNING

1000

1000

100

VOUT

100

10

10

1

0.1

-20

THD

-10

0

10

∆f (kHz)

1

0.1

20

RSSI OUTPUT VOLTAGE vs.

INPUT VOLTAGE

2.0

1.6

1.2

0.8

0.4

0.0

-20

VCC = 9.0 V

VCC = 3.0 V

VCC = 2.3 V

0 20 40 60 80 100 120

VIN (dBµ)

January 2001 TOKO, Inc.

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