MAX2673EUA datasheet(8/16 Pages) MAXIM

Part #	MAX2673EUA

Description	400MHz to 2.5GHz Upconverter Mixers

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Manufacturer	MAXIM [Maxim Integrated Products]

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400MHz to 2.5GHz Upconverter Mixers

8

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(VCC = SHDN = +3.0V, Typical Operating Circuits, PLO = -5dBm (MAX2660/MAX2661/MAX2663), PLO = -10dBm (MAX2671/MAX2673),

PIFIN = -30dBm, TA = +25°C, unless otherwise noted.)

10

12

14

16

22

24

18

20

26

28

30

500

1000

750

1250 1500 1750 2000 2250 2500

MAX2661

LO-to-RF AND RF-TO-LO ISOLATION

vs. LO OR RF FREQUENCY

LO OR RF FREQUENCY (MHz)

LO-TO-RF ISOLATION

POWER INTO LO PORT = -5dBm

RF-TO-LO ISOLATION

POWER INTO RF PORT = -25dBm

900MHz

1900MHz

2450MHz

970MHz

1830MHz

2210MHz

70MHz

240MHz

fRF

fLO

fIF

-35

-5

0

-10

-25

-30

-20

-15

5

10

15

-40

-25 -20

-10

-5

-30

-35

-15

0

MAX2661

CONVERSION GAIN AND OUTPUT

POWER vs. IF INPUT POWER

IF INPUT POWER (dBm)

900MHz

1900MHz

2450MHz

fRF

970MHz

1830MHz

2210MHz

fLO

70MHz

240MHz

fIF

fRF = 900MHz

fRF = 1900MHz

fRF = 2450MHz

fRF = 900MHz

fRF = 1900MHz

fRF = 2450MHz

CONVERSION GAIN

OUTPUT POWER

1.0

2.0

1.5

3.0

2.5

3.5

4.0

2.5

3.5

4.0

3.0

4.5

5.0

5.5

MAX2663

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

TA = -40°C

TA = +25°C

TA = +85°C

0

3

2

1

4

5

6

7

8

9

10

2.5

3.5

3.0

4.0

4.5

5.0

5.5

MAX2663

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

TA = +85°C

TA = +25°C

TA = -40°C

SHDN = GND

-10

-6

-8

0

-2

-4

4

2

6

-25

-15

-20

-10

-5

0

5

10

MAX2663

CONVERSION GAIN vs. LO POWER

LO POWER (dBm)

fRF = 2450MHz

fRF = 900MHz

fRF = 1900MHz

900MHz

1900MHz

2450MHz

970MHz

1830MHz

2210MHz

70MHz

240MHz

fRF

fLO

fIF

-10

-6

-8

-2

-4

0

4

2

6

0

1000

500

1500

2000

2500

3000

MAX2663

CONVERSION GAIN vs. RF FREQUENCY

RF FREQUENCY (MHz)

VCC = +2.7V

400MHz

900MHz

1900MHz

2450MHz

RF MATCH

45MHz

70MHz

240MHz

fIF

fRF = fLO - fIF

fRF = fLO + fIF

fRF

VCC = +5.5V

-6

-1

0

-3

-2

-4

-5

1

2

3

4

0

200

100

300

400

500

MAX2663

CONVERSION GAIN vs. IF FREQUENCY

IF FREQUENCY (MHz)

900MHz

1900MHz

2450MHz

fRF

fIF = fLO - fRF

fIF = fRF - fLO

fIF

fRF = 2450MHz

fRF = 1900MHz

fRF = 900MHz

-18

-14

-16

-10

-12

-6

-8

-4

0

-2

2

250

700

1150

1600

2050

2500

MAX2663

LO PORT RETURN LOSS vs. LO FREQUENCY

LO FREQUENCY (MHz)

0

200

100

300

600

700

800

500

400

900

-900

-700

-800

-600

-300

-200

-100

-400

-500

0

100

200

300

400

500

MAX2663

IF PORT IMPEDANCE vs. IF FREQUENCY

MAX2663toc07

IF FREQUENCY (MHz)

IMAGINARY

REAL

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