10

10 - 178

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

GaAs MMIC SP8T NON-REFLECTIVE

SWITCH, DC - 8 GHz

v05.1205

General Description

Features

Functional Diagram

The HMC322LP4 & HMC322LP4E are broadband

non-reflective GaAs MESFET SP8T switches in low

cost leadless surface mount packages. Covering DC

to 8 GHz, this switch offers high isolation and low

insertion loss. This switch also includes an on board

binary decoder circuit which reduces the required

logic control lines to three. The switch operates using

a negative control voltage of 0/-5 volts, and requires

a fixed bias of -5V. This switch is suitable for usage in

50-Ohm or 75-Ohm systems.

Broadband Performance: DC - 8.0 GHz

High Isolation: >30 dB@ 6 GHz

Low Insertion Loss: 2.4 dB@ 6 GHz

Integrated 3:8 TTL Decoder

4x4 mm SMT Package

Typical Applications

This switch is suitable for usage in DC - 8.0 GHz 50-

Ohm or 75-Ohm systems:

• Broadband

• Fiber Optics

• Switched Filter Banks

• Wireless below 8 GHz

Parameter

Frequency

Min.

Typ.

Max.

Units

Insertion Loss

DC - 2.0 GHz

DC - 4.0 GHz

DC - 8.0 GHz

2.1

2.3

2.5

2.5

2.7

2.9

dB

dB

dB

Isolation

DC - 2.0 GHz

DC - 4.0 GHz

DC - 6.0 GHz

DC - 8.0 GHz

35

30

25

20

40

35

30

25

dB

dB

dB

dB

Return Loss

“On State”

DC - 2.0 GHz

DC - 8.0 GHz

9

6

12

10

dB

dB

Return Loss

“Off State”

DC - 8.0 GHz

7

10

dB

Input Power for 1 dB Compression

0.5 - 8.0 GHz

19

23

dBm

Input Third Order Intercept

(Two-Tone Input Power = +7 dBm Each Tone)

0.5 - 8.0 GHz

36

40

dBm

Switching Characteristics

tRISE, tFALL (10/90% RF)

tON, tOFF (50% CTL to 10/90% RF)

DC - 8.0 GHz

50

150

ns

ns