TRF2020 datasheet(8/26 Pages) TI

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TRF2020

SYNTHESIZER FOR GLOBAL SYSTEM

FOR MOBILE (GSM) CELLULAR TELEPHONES

SLWS020B – FEBRUARY 1995 – REVISED JANUARY 1998

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

TYPICAL CHARACTERISTICS

Figure 3

f – Frequency – MHz

–50

–40

–30

–20

–10

MAIN DIVIDER INPUT POWER

vs.

FREQUENCY AND SUPPLY VOLTAGE

3.5 V

2.75 V

TA = 25°C

Figure 4

–50

–40

–30

–20

–10

MAIN DIVIDER MINIMUM INPUT POWER

vs.

FREQUENCY AND TEMPERATURE

VDDA = VDDP = VDD = 2.75 V

TA = –40°C

TA = 25°C

TA = 85°C

f – Frequency – MHz

Figure 5

0.02

f – Frequency – MHz

0.04

0.06

0.08

0.1

0.12

REFERENCE DIVIDER MINIMUM INPUT VOLTAGE

vs.

FREQUENCY AND SUPPLY VOLTAGE

3.5 V

2.75 V

TA = 25°C

Figure 6

0.02

f – Frequency – MHz

0.04

0.06

0.08

0.1

0.12

REFERENCE DIVIDER MINIMUM INPUT VOLTAGE

vs.

FREQUENCY AND TEMPERATURE

VDDA = VDDP = VDD = 2.75 V

TA = –40°C

TA = 25°C

TA = 85°C

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