TK83361M 查看數據表（PDF） - Toko America Inc

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TK83361M

NARROW BAND FM IF IC

Toko America Inc  

TK83361M

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)

9 - 2. Mixer Section

MIXER INPUT FREQUENCY

32

RESPONSE

30

28

26 VCC = 4.0V

fRF VARIABLE

24

VRF = +60dBµ

fOM = 455kHz

VOSC = ±0dBm

22

1M

10M

100M

1G

fRF, RF INPUT FREQUENCY (Hz)

140

120

100

THE 3rd ORDER INTERCEPT

POINT

IIP3 = 107dBµ

1st ORDER DESIRED

fRF = 10.7MHz

80

60

40

3rd ORDER INTERMOD

fRF1 = 10.7125MHz

fRF2 = 10.725MHz

20

20 40 60 80 100 120

VRF, RF INPUT SIGNAL LEVEL

(dBµ)

9 - 3. IF Section

OUTPUT LEVEL, TOTAL HARMONIC

DISTORTION vs. IF INPUT FREQUENCY

-10

VO(DET)

10.0

-20

-30

VCC = 4.0V

8.0

VIF = ±80dBµ

fm = 1kHz

6.0

fdev=±3kHz

-40

4.0

-50

2.0

THD

-60

0.0

-40 -30 -20 -10 ±0 +10 +20 +30 +40

455±∆fIF, IF INPUT FREQUENCY (kHz)

Page 4

MIXER OUTPUT FREQUENCY

RESPONSE

0

-2

-4

-6

-8

-10

-12 VCC = 4.0V

-14 fRF = 10.7MHz

-16

VRF = +60dBµ

fOSC VARIABLE

-18 VOSC = ±0dBm

-20

100k

1M

10M

fOM, MIXER OUTPUT FREQUENCY

(Hz)

SINAD, GM S/N vs. LOCAL OSC

INPUT SIGNAL LEVEL

60

35

SINAD

50

GM

30

40

25

30

S/N

20

10

20

fRF = 10.7MHz

21MHz

15

58MHz

83MHz

10

0 -70 -60 -50 -40 -30 -20 -10 0 10 20 0

VOSC, LOCAL OSC INPUT SIGNAL

LEVEL (dBµ)

OUTPUT DC VOLTAGE vs.

IF INPUT FREQUENCY

4.0

3.5

VCC = 4.0V

3.0

VIF = +80dBµ

2.5

2.0

1.5

1.0

.5

VCC

QUAD

RD

COIL

8

RD = 5kΩ

RD = 10kΩ

RD = 20kΩ

0

-80 -60 -40 -20 ±0 +20 +40 +60 +80

455±∆fIF, IF INPUT FREQUENCY (kHz)

December 2000 TOKO, Inc.

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