M A COM SW-255 Datasheet

GaAs SP4T Switch
5 - 2000 MHz

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

Guaranteed Specifications* (From -55°C to +85°C)

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

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

Schematic

RF 4
GND
GND

RF COMMON

GND
GND
GND
RF 1

SW-255

V3.00

RF 3
CTL 4
CTL 3
CTL 2
CTL 1
+VDC
NC
RF 2

Truth Table

Control Input Condition of Switch

“1” = Logic High
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

Specifications Subject to Change Without Notice.

M/A-COM, Inc.

North America: Tel. [phone] ■ Asia/Pacific: Tel. [phone] ■ Europe: Tel. [phone]

Fax [phone] Fax [phone] Fax [phone]

RF Common To Each RF Port

Model No. Package

SW-255 PIN Dual Inline

Ordering Information

1

GaAs SP4T Switch

Typical Performance

Typical Performance

INSERTION LOSS

INSERTION LOSS

2.0

2.0

1.5

1.5

1.0

1.0

0.5

0.5

LOSS (dB)

LOSS (dB)

0

0

0.005 0.5 1.0 1.5 2.0

0.005 0.5 1.0 1.5 2.0

ISOLATION

ISOLATION

80

80
70

70
60

60
50

50
40

40
30

30
20

20

ISOLATION (dB)

ISOLATION (dB)

0.005 0.5 1.0 1.5 2.0

0.005 0.5 1.0 1.5 2.0

VSWR

VSWR

2.0

2.0

1.8

1.8

1.6

1.6

1.4

1.4

VSWR

VSWR

1.2

1.2

1.0

1.0

0.005 0.5 1.0 1.5 2.0

0.005 0.5 1.0 1.5 2.0

+85°C

+85°C

+25°C

+25°C

FREQUENCY GHz

FREQUENCY GHz

-55°C

-55°C

SW-255

V3.00

2

Specifications Subject to Change Without Notice.

M/A-COM, Inc.

North America: Tel. [phone] ■ Asia/Pacific: Tel. [phone] ■ Europe: Tel. [phone]

Fax [phone] Fax [phone] Fax [phone]