8

8 - 14

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. Control Voltage

Caution: Do not operate in 1dB compression at power levels above +31dBm (Vctl = +5 Vdc) and do not “hot switch” power levels

greater than +20dBm (Vctl = +5Vdc).

DC blocks are required at ports RFC, RF1 and RF2.

Distortion vs. Control Voltage

Truth Table

*Control Input Voltage Tolerances are ± 0.2 Vdc.

Control Input

Third Order Intercept (dBm)

+7 dBm Each Tone

(Vdc)

900 MHz

1900 MHz

+5

50

49

+8

53

51

Carrier at 900 MHz

Carrier at 1900 MHz

Control

Input

Input Power

for 0.1 dB

Compression

Input Power

for 1.0 dB

Compression

Input Power

for 0.1 dB

Compression

Input Power

for 1.0 dB

Compression

(Volts)

(dBm)

(dBm)

(dBm)

(dBm)

+3

17

20

17

20

+5

25

30

24

29

+8

31

33

30

32

Control Input*

Control Current

Signal Path State

A

(Vdc)

B

(Vdc)

Ia

(uA)

Ib

(uA)

RF to RF1

RF to RF2

0

+3

-10

10

ON

OFF

+3

0

10

-10

OFF

ON

0

+5

-55

55

ON

OFF

+5

0

55

-55

OFF

ON

0+7

-210

210

ON

OFF

+7

0

210

-210

OFF

ON

0+8

-280

280

ON

OFF

+8

0

280

-280

OFF

ON

v02.0505

GaAs MMIC SPDT SWITCH

DC - 3 GHz