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Typical operating characteristics – Rainbow Electronics MAX2063 User Manual

Page 6

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MAX2063

Dual 50MHz to 1000MHz High-Linearity,

Serial/Parallel-Controlled Digital VGA

6

Typical Operating Characteristics

(Typical Application Circuit, V

CC

= V

CC_AMP_1

= V

CC_AMP_2

= V

CC_RG

= 5V, attenuators are set for maximimum gain, RF ports are

driven from 50ω sources, AMPSET = 0, PD_1 = PD_2 = 0, P

IN

= -20dBm, f

RF

= 350MHz, T

C

= +25°C, unless otherwise noted.)

SUPPLY CURRENT vs. V

CC

MAX2063 toc01

V

CC

(V)

SUPPLY CURRENT (mA)

5.125

5.000

4.875

140

150

160

170

130

4.750

5.250

T

C

= +85°C

T

C

= +25°C

T

C

= -40°C

GAIN vs. RF FREQUENCY

MAX2063 toc02

RF FREQUENCY (MHz)

GAIN (dB)

850

650

450

250

18

20

22

24

16

50

1050

T

C

= +85°C

T

C

= +25°C

T

C

= -40°C

GAIN vs. RF FREQUENCY

MAX2063 toc03

RF FREQUENCY (MHz)

GAIN (dB)

850

650

450

250

18

20

22

24

16

50

1050

V

CC

= 4.75V, 5.00V, 5.25V

GAIN OVER ATTENUATOR SETTING

vs. RF FREQUENCY

MAX2063 toc04

RF FREQUENCY (MHz)

GAIN OVER ATTENUATOR SETTING (dB)

850

650

450

250

-5

5

15

25

-15

50

1050

ATTENUATOR RELATIVE

ERROR vs. RF FREQUENCY

MAX2063 toc05

RF FREQUENCY (MHz)

RELATIVE ERROR (dB)

850

650

250

450

-0.75

-0.50

-0.25

0

0.50

0.25

0.75

1.00

-1.00

50

1050

ERROR FROM 23dB TO 24dB

ATTENUATOR ABSOLUTE

ERROR vs. RF FREQUENCY

MAX2063 toc06

RF FREQUENCY (MHz)

ABSOLUTE ERROR (dB)

850

650

250

450

-0.75

-0.50

-0.25

0

0.50

0.25

0.75

1.00

-1.00

50

1050

25dB

24dB

INPUT MATCH OVER ATTENUATOR

SETTING vs. RF FREQUENCY

MAX2063 toc07

RF FREQUENCY (MHz)

INPUT MATCH OVER ATTENUATOR SETTING (dB)

800

600

400

200

-40

-30

-20

-10

0

-50

0

1000

31dB

2dB

1dB

4dB

0dB

8dB

16dB

OUTPUT MATCH OVER ATTENUATOR

SETTING vs. RF FREQUENCY

MAX2063 toc08

RF FREQUENCY (MHz)

OUTPUT MATCH OVER ATTENUATOR SETTING (dB)

800

600

400

200

-30

-20

-10

0

-40

0

1000

16dB, 31dB

0dB

1dB, 4dB, 8dB

2dB