8

8 - 98

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

Compression vs. Bias Voltage

Caution:

Do not operate in 1 dB compression at power levels

above +30 dBm and do not “hot switch” power levels greater than

+20 dBm (Vctl= -5 Vdc).

Distortion vs. Bias Voltage

Truth Table

*Control Input Voltage Tolerances are ± 0.2 Vdc.

Control Input*

Control Current

Signal Path State

A

(Vdc)

B

(Vdc)

Ia

(uA)

Ib

(uA)

RF to

RF1

RF to

RF2

-5

0

-25

10

ON

OFF

0-5

10

-25

OFF

ON

-6

0

-75

30

ON

OFF

0-6

30

-75

OFF

ON

-7

0

-130

60

ON

OFF

0-7

60

-130

OFF

OM

-8

0

-190

80

ON

OFF

0-8

80

-190

OFF

ON

Carrier at 900 MHz

Carrier at 1900 MHz

Control

Input

Input Power

for 0.1 dB

Compression

Input Power

for 1.0 dB

Compres-

sion

Input Power

for 0.1 dB

Compression

Input Power

for 1.0 dB

Compression

(Vdc)

(dBm)

(dBm)

(dBm)

(dBm)

-5

25

29

23

27

-6

27

31

26

29

-8

29

33

28

32

Control

Input

Third Order Intercept (dBm)

+7 dBm Each Tone

(Vdc)

900 MHz

1900 MHz

-5

50

49

-8

53

51

GaAs MMIC SPDT SWITCH

DC - 2.5 GHz

v02.0805