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Typical operating characteristics (continued) – Rainbow Electronics MAX2063 User Manual

Page 11

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Typical Operating Characteristics (continued)

(Typical Application Circuit, V

CC

= V

CC_AMP_1

= V

CC_AMP_2

= V

CC_RG

= 3.3V, attenuators are set for maximimum gain, RF ports are

driven from 50ω sources, AMPSET = 1, PD_1 = PD_2 = 0, P

IN

= -20dBm, f

RF

= 350MHz, T

C

= +25°C, unless otherwise noted.)

MAX2063

Dual 50MHz to 1000MHz High-Linearity,

Serial/Parallel-Controlled Digital VGA

11

OUTPUT P

1dB

vs. RF FREQUENCY

MAX2063 toc38

RF FREQUENCY (MHz)

OUTPUT

P

1dB

(dBm)

850

650

450

250

8

10

12

14

16

6

50

1050

T

C

= +85°C

T

C

= -40°C

T

C

= +25°C

V

CC

= 3.3V

OUTPUT P

1dB

vs. RF FREQUENCY

MAX2063 toc39

RF FREQUENCY (MHz)

OUTPUT

P

1dB

(dBm)

850

650

450

250

8

10

12

14

16

6

50

1050

V

CC

= 3.135V

V

CC

= 3.3V

V

CC

= 3.465V

OUTPUT IP3 vs. RF FREQUENCY

MAX2063 toc40

RF FREQUENCY (MHz)

OUTPUT IP3 (dBm)

850

650

450

250

20

30

40

50

10

50

1050

T

C

= +85°C

T

C

= +25°C

T

C

= -40°C

P

OUT

= 0dBm/TONE

V

CC

= 3.3V

OUTPUT IP3 vs. RF FREQUENCY

MAX2063 toc41

RF FREQUENCY (MHz)

OUTPUT IP3 (dBm)

850

650

450

250

20

30

40

50

10

50

1050

V

CC

= 3.135V

V

CC

= 3.3V

V

CC

= 3.465V

P

OUT

= 0dBm/TONE

OUTPUT IP3 vs. ATTENUATOR STATE

MAX2063 toc42

ATTENUATOR STATE (dB)

OUTPUT IP3 (dBm)

24

20

16

12

8

4

24

26

28

30

32

34

22

0

28

T

C

= -40°C LSB, USB

T

C

= +25°C LSB, USB

T

C

= +85°C LSB, USB

V

CC

= 3.3V

P

OUT

= 0dBm/TONE

RF = 350MHz

RF FREQUENCY (MHz)

2ND HARMONIC (dBc)

850

650

450

250

30

40

50

60

70

80

20

50

1050

2ND HARMONIC vs. RF FREQUENCY

MAX9888 toc43

T

C

= -40°C

T

C

= +25°C

T

C

= +85°C

V

CC

= 3.3V

P

OUT

= 3dBm

RF FREQUENCY (MHz)

2ND HARMONIC (dBc)

850

650

450

250

30

40

50

60

70

80

20

50

1050

2ND HARMONIC vs. RF FREQUENCY

MAX9888 toc44

V

CC

= 3.465V

V

CC

= 3.3V

V

CC

= 3.135V

P

OUT

= 3dBm

2ND HARMONIC vs. ATTENUATOR STATE

MAX2063 toc45

ATTENUATOR STATE (dB)

2ND HARMONIC (dBc)

24

20

16

12

8

4

40

50

60

70

80

30

0

28

V

CC

= 3.3V

P

OUT

= 3dBm

RF = 350MHz

T

C

= -40°C

T

C

= +85°C

T

C

= +25°C