MICROWAVE CORPORATION

9 - 114

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order Online at www.hittite.com

9

Pin Descriptions

Pin Number

Function

Description

Interface Schematic

1, 8

RF1, RF2

These pins are DC coupled and matched to 50 Ohms.

DC blocking capacitors are required. 330pF capacitors are

supplied on evaluation board.

2, 7

GND

Pins must connect to RF ground.

3

Vctl

Control voltage

4, 5

N/C

No Connection. These pins may be connected to RF ground.

Performance will not be affected.

6

Vdd

Supply Voltage.

v00.1103

GaAs MMIC VOLTAGE-VARIABLE

ATTENUATOR, 0.45 - 2.2 GHz

HMC473MS8

Outline Drawing

NOTES:

1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED

PLASTIC SILICA AND SILICON IMPREGNATED.

2. LEADFRAME MATERIAL: COPPER ALLOY

3. LEADFRAME PLATING: Sn/Pb SOLDER

4. DIMENSIONS ARE IN INCHES [MILLIMETERS].

5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE.

6. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE.

7. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND.