For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, 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

5

HMC311LP3 / 311LP3E

v05.1213

InGaP HBT GAIN BLOCK

MMIC AMPLIFIER, DC - 6 GHz

Application Circuit

Pin Descriptions

Pin Number

Function

Description

Interface Schematic

1, 2, 4 - 9,

11 - 16

N/C

This pin may be connected to RF ground.

3

RFIN

This pin is DC coupled.

An off chip DC blocking capacitor is required.

10

RFOUT

RF output and DC Bias for the output stage.

GND

Package bottom must be connected to RF/DC ground.

Recommended Component Values

Component

Frequency (MHz)

50

900

1900

2200

2400

3500

5200

5800

L1

270 nH

56 nH

18 nH

18 nH

15 nH

8.2 nH

3.3 nH

3.3 nH

C1, C2

0.01 µF

100 pF

100 pF

100 pF

100 pF

100 pF

100 pF

100 pF

Note:

1. Select Rbias to achieve Icq using equation below,

Rbias > 22 Ohm.

2. External blocking capacitors are required on

RFIN and RFOUT.

Icq = Vs - 3.8

Rbias

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

For price, delivery, and to place orders: Analog Devices, Inc.,

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106

Phone: 781-329-4700 • Order online at www.analog.com

Application Support: Phone: 1-800-ANALOG-D