MICROWAVE CORPORATION

2 - 9

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

Visit us at www.hittite.com, or Email at sales@hittite.com

2

HMC110G16

v01.0301

Simple driver using inexpensive standard logic ICs provides fast switching using minimum DC current.

*Recommended values to suppress unwanted RF signals at A/B control lines. You may adjust for switching speed con-

siderations.

Suggested Driver Circuit

1 dB LSB GaAs MMIC SMT 5-BIT DIGITAL

ATTENUATOR, DC - 2.0 GHz

B

100pF

A

GaAs

ATTENUATOR

CONTROL

74HC04 (CMOS)

-5 VDC

10K

TTL

OR

CMOS

74HCT04 (TTL)

COMPENSATED

DEVICES

CD4689

Vz=5.1V

Izt=50uA

VCC

GND

GND

VCC

100pF

*

*