Features

Low Insertion Loss, 1.0 dB Typical

Fast Switching Speed, 20 ns Typical

Ultra Low DC Power Consumption, 0.3 mA Typical

Integral TTL DRIVER

Frequency Range

5-2000 MHz

Insertion Loss

5-2000 MHz

2.1 dB Max

5-1000 MHz

1.6 dB Max

5-500 MHz

1.4 dB Max

VSWR

5-2000 MHz

2.3:1 Max

5-1000 MHz

1.8:1 Max

5-500 MHz

1.3:1 Max

Isolation

5-2000 MHz

35 dB Min

5-1000 MHz

36 dB Min

5-500 MHz

42 dB Min

Operating Characteristics

Impedance

50 Ohms Nominal

Switching Characteristics

(TTL)

Trise, Tfall

7 ns

Ton, Toff (50% CTL to 90/10% RF)

20 ns

Transients (In-Band)

80 mV

Input Power for 1 dB Compression

500-2000 MHz

+27 dBm Typ

50 MHz

+21 dBm Typ

Intermodulation Intercept Point

(for two-tone input power up to +13 dBm)

Intercept Points

IP2

500-2000 MHz

+68

dBm Typ

50 MHz

+60

dBm Typ

Bias Power

+5 VDC @ 0.30 mA Typ, 1 mA Max

Environmental

MIL-STD-883 screening available.

* All specifications apply when operated with bias voltage of +5 VDC

and 50 ohm impedance at all RF ports.

DI-5

q

q

q

q

SW-255

Schematic

RF 4

GND

GND

RF COMMON

GND

GND

GND

RF 1

RF 3

CTL 4

CTL 3

CTL 2

CTL 1

+VDC

NC

RF 2

Truth Table

Control Input

Condition of Switch

“1” = Logic High

RF Common To Each RF Port

TTL(SW-255)

CTL1 CTL2 CTL3

CTL4

RF1

RF2

RF3

RF4

1

0

0

0

ON

OFF

OFF

OFF

0

1

0

0

OFF

ON

OFF

OFF

0

0

1

0

OFF

OFF

ON

OFF

0

0

0

1

OFF

OFF

OFF

ON

Ordering Information

Model No.

Package

SW-255 PIN

Dual Inline

M/A-COM, Inc.

North America:

Tel. (800) 366-2266

s

Asia/Pacific: Tel. +81 (03) 3226-1671

s

Europe: Tel. +44 (1344) 869 595

Fax (800) 618-8883

Fax +81 (03) 3226-1451

Fax +44 (1344) 300 020

1

Specifications Subject to Change Without Notice.

V3.00

GaAs SP4T Switch

5 - 2000 MHz

Dimensions in ( ) are in mm.

Unless Otherwise Noted: .xxx = ±0.010 (.xx = ±0.25)

.xx = ±0.02 (.x = ±0.5)

WEIGHT (APPROX.):

0.26 OUNCES

73 GRAMS