Typical operating characteristics – Rainbow Electronics MAX19993 User Manual

Page 7

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MAX19993

Dual, SiGe, High-Linearity, 1200MHz to 1700MHz

Downconversion Mixer with LO Buffer/Switch

7

Typical Operating Characteristics

(Typical Application Circuit (see Table 1). V

CC_

=_5.0V, f

RF

> f

LO

for a 140MHz IF, P

RF

= -5dBm, P

LO

= 0dBm,

T

C

= +25°C, unless

otherwise noted.)

CONVERSION GAIN vs. RF FREQUENCY

MAX19993 toc01

RF FREQUENCY (MHz)

CONVERSION GAIN (dB)

1600

1500

1400

1300

5

6

7

8

4

1200

1700

T

C

= -40°C

T

C

= +85°C

T

C

= +25°C

CONVERSION GAIN vs. RF FREQUENCY

MAX19993 toc02

RF FREQUENCY (MHz)

CONVERSION GAIN (dB)

1600

1500

1400

1300

5

6

7

8

4

1200

1700

P

LO

= -6dBm, -3dBm, 0dBm, +3dBm

CONVERSION GAIN vs. RF FREQUENCY

MAX19993 toc03

RF FREQUENCY (MHz)

CONVERSION GAIN (dB)

1600

1500

1400

1300

5

6

7

8

4

1200

1700

V

CC

= 4.75V, 5.0V, 5.25V

INPUT IP3 vs. RF FREQUENCY

MAX19993 toc04

RF FREQUENCY (MHz)

INPUT IP3 (dBm)

1600

1500

1400

1300

26

27

28

25

1200

1700

P

RF

= -5dBm/TONE

T

C

= +85°C

T

C

= -40°C

T

C

= +25°C

INPUT IP3 vs. RF FREQUENCY

MAX19993 toc05

RF FREQUENCY (MHz)

INPUT IP3 (dBm)

1600

1500

1400

1300

26

27

28

25

1200

1700

P

RF

= -5dBm/TONE

P

LO

= -3dBm

P

LO

= -6dBm

P

LO

= +3dBm

P

LO

= 0dBm

INPUT IP3 vs. RF FREQUENCY

MAX19993 toc06

RF FREQUENCY (MHz)

INPUT IP3 (dBm)

1600

1500

1400

1300

26

27

28

25

1200

1700

P

RF

= -5dBm/TONE

V

CC

= 4.75V

V

CC

= 5.25V

V

CC

= 5.0V

NOISE FIGURE vs. RF FREQUENCY

MAX19993 toc07

RF FREQUENCY (MHz)

NOISE FIGURE (dB)

1600

1500

1400

1300

8

9

10

11

12

13

7

1200

1700

T

C

= +25°C

T

C

= -40°C

T

C

= +85°C

NOISE FIGURE vs. RF FREQUENCY

MAX19993 toc08

RF FREQUENCY (MHz)

NOISE FIGURE (dB)

1600

1500

1400

1300

8

9

10

11

12

13

7

1200

1700

P

LO

= -6dBm, -3dBm, 0dBm, +3dBm

NOISE FIGURE vs. RF FREQUENCY

MAX19993 toc09

RF FREQUENCY (MHz)

NOISE FIGURE (dB)

1600

1500

1400

1300

8

9

10

11

12

13

7

1200

1700

V

CC

= 4.75V, 5.0V, 5.25V

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