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

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8 - 3

HMC770LP4BE

v01.0310

GaAs pHEMT 50 / 75 Ohm

DIFFERENTIAL AMPLIFIER, 0.04 - 1 GHz

Return Loss vs. Rbias

50 Ohm Data

Isolation vs. Rbias

Noise Figure vs. Temperature for Low

-30

-25

-20

-15

-10

-5

0

0

0.2

0.4

0.6

0.8

1

Rbias = 1.5k Ohms

Rbias = 600 Ohms

Rbias = 200 Ohms

FREQUENCY (GHz)

S11

S22

-30

-25

-20

-15

-10

-5

0

0

0.2

0.4

0.6

0.8

1

Rbias = 1.5k Ohms

Rbias = 600 Ohms

Rbias = 200 Ohms

FREQUENCY (GHz)

0

2

4

6

8

0

0.2

0.4

0.6

0.8

1

+25C

+85C

-40C

FREQUENCY (GHz)

0

2

4

6

8

0

25

50

75

100

125

150

175

200

+25C

+85C

-40C

FREQUENCY (MHz)

0

2

4

6

8

0

0.2

0.4

0.6

0.8

1

4.5V

5.0V

5.5V

FREQUENCY (GHz)

0

2

4

6

8

0

25

50

75

100

125

150

175

200

4.5V

5.0V

5.5V

FREQUENCY (MHz)

[1] rbias=r1=200 ohms. see application circuit.

[2] see application circuit for the tune for low frequencies.