2

Alpha Industries, Inc. [781] 935-5150

• Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com

Specifications subject to change without notice. 3/99A

GaAs IC 15 dB Voltage Variable Attenuator Single Control DC–2 GHz

AF002N2-32

5

4

3

2

1

2

1

Frequency (GHz)

Insertion Loss vs. Frequency

DC

+85˚C

-40˚C

Typical Performance Data (0, -5 V)

4

2

1

10 k

Ω

GND

3

Characteristic

Value

RF Input Power

10 mW > 500 MHz 0/-8 V

4 mW @ 50 MHz 0/-8 V

Control Voltage

+0.2 V, -10 V

Operating Temperature

-40°C to +85°C

Storage Temperature

-65°C to +150°C

25°C/W

Absolute Maximum Ratings

Optimum Tuning for Maximum Attenuation

Pin Out

Note: Operating this device above any of these parameters may cause

irreversible damage.

-5

-4

-3

-2

-1

0

Attenuation (dB)

Attenuation vs. Control Voltage

3

6

9

12

15

18

21

F = 500 MHz

40

35

30

25

20

15

Attenuation (dB)

Attenuation vs. IP3

Two Tone Testing

at 70 and 71 MHz

3

6

9

12

15

18

21

-5

Insertion Loss

0

Full Attenuation

Truth Table

Negative Voltage Operation

Positive Voltage Operation

Full Attenuation

0

Insertion Loss

External components for positive voltage operation only.

F (MHz)

Typical Maximum Attenuation

130

220 pF

21

730

15 pF

21

1925

1.6 pF

21