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9

v00.1103

Control and Bias Voltage

HMC473MS8

GaAs MMIC VOLTAGE-VARIABLE

ATTENUATOR, 0.45 - 2.2 GHz

Absolute Maximum Ratings

V

CTL

-0.2 Vdc to Vdd

Vdd

+8 Vdc

Maximum Input Power

Vdd = +3.3 Vdc

+29 dBm

+21 dBm

Min. Atten.

Attenuation >2 dB

Channel Temperature (Tc)

150 °C

Thermal Resistance (R

(junction to lead)

92 °C/W

Storage Temperature

-65 to +150 °C

Operating Temperature

-40 to +85 °C

V

CTL

0 to +3 Vdc @ 1 µA

Vdd

+3.3 Vdc +/- 0.1 Vdc @ 10 µA

Relative Attenuation vs.

Control Voltage @ 2.1 GHz

Return Loss vs.

Control Voltage @ 2.1 GHz

-35

-30

-25

-20

-15

-10

-5

0

0

0.5

1

1.5

2

2.5

3

+25 C

+85 C

-40 C

CONTROL VOLTAGE (V)

-25

-20

-15

-10

-5

0

0

0.5

1

1.5

2

2.5

3

+25 C

+85 C

-40 C

CONTROL VOLTAGE (V)

Worse Case Input P1dB vs. Temperature

5

10

15

20

25

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

2.2

+25 C

+85 C

-40 C

FREQUENCY (GHz)

Relative Attenuation vs. Control Voltage

-70

-65

-60

-55

-50

-45

-40

-35

-30

-25

-20

-15

-10

-5

0

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

2.2

1.0 V

1.5 V

1.6V

1.7 V

1.8 V

2.0 V

3.0 V

FREQUENCY (GHz)