4 ______________________________________________________________________________________

Dual 50MHz to 1000MHz High-Linearity,

Serial/Analog-Controlled VGA

+5V SuPPLy AC ELECTRICAL CHARACTERISTICS (each path, unless otherwise noted)

(continued)

PARAMETER

SyMBOL

CONDITIONS

MIN

TyP

MAX

uNITS

Output -1dB Compression Point

17

18.7

dBm

Second Harmonic

-56.7

dBc

Third Harmonic

-72.4

dBc

Group Delay

Includes EV kit PCB delays

0.9

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

50I source

16.8

dB

Output Return Loss

50I load

30.7

dB

ANALOG ATTENuATOR (each path, unless otherwise noted)

Insertion Loss

IL

2.2

dB

Input Second-Order Intercept

Point

IIP2

61.9

dBm

Input Third-Order Intercept Point

IIP3

attenuation), Df = 1MHz

37.0

dBm

Attenuation Range

32.9

dB

Gain Control Slope

Analog control input

-13.3

dB/V

Maximum Gain Control Slope

Over analog control input range

-35.2

dB/V

Insertion Phase Change

Over analog control input range

16.5

Deg/V

Attenuator Response Time

RF settled to

within Q0.5dB

31dB to 0dB, AA_SP = 0,

from A_VCTL_ step

500

ns

31dB to 0dB, AA_SP = 1,

from CS step

500

0dB to 31dB, AA_SP = 0,

from A_VCTL_ step

500

0dB to 31dB, AA_SP = 1,

from CS step

500

Group Delay vs. Control Voltage

Over analog control input from 0.25V to

2.75V

-0.26

ns

Analog Control Input Range

0.25

2.75

V

Analog Control Input Impedance

19.2

kI

Input Return Loss

50I source

16.0

dB

Output Return Loss

50I load

15.9

dB