10

10 - 62

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

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

Pin Description

Pin Number

Function

Description

Interface Schematic

1, 4, 10 - 12

N/C

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

Performance will not be affected

2, 3

IN, IN

Differential RF inputs, 100 Ohms differential impedance. (i.e.

each pin is 50 Ohms to ground). Must be DC blocked.

5, 15

I

In-phase control input. Pins 5 and 15 are redundant.

Either input can be used.

6, 16

Q

Quadrature control input. Pins 6 and 16 are redundant.

Either input can be used.

7, 8, 13, 14

Vcc

Supply Voltage, pins are DC connected on-chip. It is only nec-

essary to supply Vcc to any 1 of the 4 pins, but all 4 pins must

be bypassed to ground. (See application circuit).

9

RFOUT

RF Output: Must be DC blocked.

GND

Ground: Backside of package has exposed metal ground

paddle which must be connected to RF/DC ground.

HMC631LP3 / 631LP3E

v00.1007

GaAs HBT VECTOR

MODULATOR 1.8 - 2.7 MHz

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