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Rainbow Electronics MAX2062 User Manual

Page 4

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4 ______________________________________________________________________________________

MAX2062

Dual 50MHz to 1000MHz High-Linearity,

Serial/Parallel-Controlled Analog/Digital VGA

5.0V SUPPLy AC ELECTRICAL CHARACTERISTICS (Each Path, Unless Otherwise
Noted) (continued)

(Typical Application Circuit, V

CC

= V

CC_AMP_1

= V

CC_AMP_2

= V

CC_RG

= 4.75V to 5.25V, attenuators are set for maximum gain, RF

ports are driven from 50I sources, AMPSET = 0, PD_1 = PD_2 = 0, 100MHz P f

RF

P 500MHz, T

C

= -40NC to +85NC. Typical values

are at maximum gain setting, V

CC

= 5.0V, P

IN

= -20dBm, f

RF

= 350MHz, and T

C

= +25NC, unless otherwise noted.) (Note 6)

PARAMETER

SyMBOL

CONDITIONS

MIN

TyP

MAX

UNITS

Second Harmonic

P

OUT

= +3dBm

-55.0

dBc

Third Harmonic

P

OUT

= +3dBm

-72.7

dBc

Group Delay

Includes EV kit PCB delays

1.03

ns

Amplifier Power-Down Time

PD_1 or PD_2 from 0 to 1, amplifier DC
supply current settles to within 0.1mA

0.5

F

s

Amplifier Power-Up Time

PD_1 or PD_2 from 1 to 0, amplifier DC
supply current settles to within 1%

0.5

F

s

Input Return Loss

RL

IN

50I source

16.1

dB

Output Return Loss

RL

OUT

50I load

30.8

dB

DIGITAL ATTENUATOR (Each Path, Unless Otherwise Noted)
Insertion Loss

3.0

dB

Input Second-Order Intercept
Point

P

IN1

= 0dBm, P

IN2

= 0dBm (minimum

attenuation), Df = 1MHz, f

1

+ f

2

53.6

dBm

Input Third-Order Intercept Point

P

IN1

= 0dBm, P

IN2

= 0dBm (minimum

attenuation), Df = 1MHz

41.5

dBm

Attenuation Range

f

RF

= 350MHz, T

C

= +25NC, V

CC

= 5.0V

29.5

30.9

dB

Step Size

1

dB

Relative Attenuation Accuracy

0.13

dB

Absolute Attenuation Accuracy

0.14

dB

Insertion Phase Step

f

RF

= 170MHz

0dB to 16dB

0

Degrees

0dB to 24dB

1.1

0dB to 31dB

1.2

Amplitude Overshoot/Undershoot

Between any two
states

Elapsed time = 15ns

1.0

dB

Elapsed time = 40ns

0.05

Switching Speed

RF settled to
within Q0.1dB

31dB to 0dB

25

ns

0dB to 31dB

21

Input Return Loss

50I source

22.0

dB

Output Return Loss

50I load

21.9

dB

ANALOG ATTENUATOR (Each Path, Unless Otherwise Noted)
Insertion Loss

2.2

dB

Input Second-Order Intercept
Point

P

IN1

= 0dBm, P

IN2

= 0dBm (minimum

attenuation), Df = 1MHz, f

1

+ f

2

61.9

dBm

Input Third-Order Intercept Point

P

IN1

= 0dBm, P

IN2

= 0dBm (minimum

attenuation), Df = 1MHz

37.0

dBm