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Typical operating characteristics – Rainbow Electronics MAX2673 User Manual

Page 6

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15

17

16

19

18

21

20

22

24

23

25

500

1000

1500

2000

2500

MAX2660

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

vs. LO OR RF FREQUENCY

MAX2660-09

LO OR RF FREQUENCY (MHz)

ISOLATION (dB)

RF-to-LO ISOLATION
POWER INTO RF PORT = -25dBm

LO-to-RF ISOLATION
POWER INTO LO PORT = -5dBm

MAX2660/MAX2661/MAX2663/MAX2671/MAX2673

400MHz to 2.5GHz Upconverter Mixers

6

_______________________________________________________________________________________

3.0

4.0

3.5

5.0

4.5

5.5

6.0

2.50

3.50

4.00

3.00

4.50

5.00

5.50

MAX2660

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX2660-01

V

CC

(V)

I

CC

(mA)

T

A

= -40°C

T

A

= +25°C

T

A

= +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

MAX2660

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX2660-02

SUPPLY VOLTAGE (V)

SHUTDOWN SUPPLY CURRENT (

µ

A)

T

A

= -40°C

T

A

= +25°C

T

A

= +85°C

SHDN = GND

-10

-6

-8

0

-2

-4

2

4

8

6

10

0

1000

500

1500

2000

2500

3000

MAX2660

CONVERSION GAIN vs. RF FREQUENCY

MAX2660-03

RF FREQUENCY (MHz)

CONVERSION GAIN (dB)

5.5V

5.5V

5.5V

5.5V

2.7V

2.7V

2.7V

2.7V

400MHz
900MHz
1900MHz
2450MHz

RF MATCH

45MHz
70MHz
70MHz
240MHz

f

IF

f

RF

= f

LO

- f

IF

f

RF

= f

LO

- f

IF

f

RF

= f

LO

+ f

IF

f

RF

= f

LO

+ f

IF

f

RF

__________________________________________Typical Operating Characteristics

(V

CC

= SHDN = +3.0V, Typical Operating Circuits, P

LO

= -5dBm (MAX2660/MAX2661/MAX2663), P

LO

= -10dBm (MAX2671/MAX2673),

P

IFIN

= -30dBm, T

A

= +25°C, unless otherwise noted.)

-2

0

-1

2

1

4

3

5

7

6

8

0

100

200

300

400

500

50

150

250

350

450

MAX2660

CONVERSION GAIN vs. IF FREQUENCY

MAX2660-04

IF FREQUENCY (MHz)

CONVERSION GAIN (dB)

900MHz
1900MHz
2450MHz

f

RF

f

IF

= f

LO

- f

RF

f

IF

= f

RF

- f

LO

f

IF

= f

RF

- f

LO

f

IF

f

RF

= 1900MHz

f

RF

= 900MHz

f

RF

= 2450MHz

-15

-10

0

-5

5

10

-25

-15

-20

-10

-5

0

5

10

MAX2660

CONVERSION GAIN vs. LO POWER

MAX2660-05

LO POWER (dBm)

CONVERSION GAIN (dB)

900MHz
1900MHz
2450MHz

f

RF

970MHz
1830MHz
2210MHz

f

LO

70MHz
70MHz
240MHz

f

IF

f

RF

= 2450MHz

f

RF

= 1900MHz

f

RF

= 900MHz

-20

-16

-18

-12

-14

-8

-10

-6

-2

-4

0

300

1380

840

1920

2460

3000

MAX2660

LO PORT RETURN LOSS vs. FREQUENCY

MAX2660-06

LO FREQUENCY (MHz)

RETURN LOSS (dB)

0

100

50

150

350

300

450

400

250

200

500

0

100

200

300

400

500

MAX2660

IF PORT IMPEDANCE vs. IF FREQUENCY

MAX2660-07

IF FREQUENCY (MHz)

REAL IMPEDANCE (

)

-500

-200

-100

-300

-400

0

IMAGINARY IMPEDANCE (

)

IMAGINARY

REAL

0

200

100

400

300

800

700

600

500

900

0

1000

500

1500

2000

2500

3000

MAX2660

RF PORT IMPEDANCE vs. RF FREQUENCY

MAX2660-08

RF FREQUENCY (MHz)

REAL IMPEDANCE (

)

-1000

-500

-600

-700

-800

-900

-300

-400

-100

-200

IMAGINARY IMPEDANCE (

)

REAL

IMAGINARY