12 - 2

For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

12

HMC680LP4 / 680LP4E

v03.0609

BiCMOS MMIC 5-BIT DIGITAL

VARIABLE GAIN AMPLIFIER, 30 - 400 MHz

Input Return Loss

(Only Major States are Shown)

Normalized Attenuation

(Only Major States are Shown)

Maximum Gain vs. Frequency

Output Return Loss

(Only Major States are Shown)

-35

-30

-25

-20

-15

-10

-5

0

0

0.1

0.2

0.3

0.4

0.5

0.6

FREQUENCY (GHz)

8 dB

16 dB

23 dB

-40

-35

-30

-25

-20

-15

-10

-5

0

0

0.1

0.2

0.3

0.4

0.5

0.6

FREQUENCY (GHz)

I.L

Maximum Attenuation

-30

-25

-20

-15

-10

-5

0

0

0.1

0.2

0.3

0.4

0.5

0.6

FREQUENCY (GHz)

I.L

Maximum Attenuation

0

5

10

15

20

25

0

0.1

0.2

0.3

0.4

0.5

0.6

+25 C

+85 C

-40 C

FREQUENCY (GHz)

Bit Error vs. Frequency

(Only Major States are Shown)

Bit Error vs. Attenuation State

-5

-4

-3

-2

-1

0

1

2

3

4

5

0

4

8

12

16

20

24

ATTENUATION STATE (dB)

Bit Error < 1dB, 400MHz And Below

Bit Error > 1dB, 450MHz And Above

600MHz

30MHz

-2

-1.5

-1

-0.5

0

0.5

1

1.5

2

0

0.1

0.2

0.3

0.4

0.5

0.6

FREQUENCY (GHz)

1, 2, 4, 8, 16 dB

23 dB