M A COM SW-283 Datasheet

Features

Small Ceramic Package, 0.250" Sq
Fast Switching Speed, 4 ns Typical
Ultra Low DC Power Consumption

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

Frequency Range DC - 3 GHz
Insertion Loss DC-3 GHz 2.1 dB Max

DC-2 GHz 1.8 dB Max
DC-1 GHz 1.3 dB Max
DC-0.5 GHz 1.0 dB Max

VSWR DC-3 GHz 1.9:1 Max

DC-2 GHz 1.7:1 Max
DC-1 GHz 1.3:1 Max
DC-0.5 GHz 1.25:1 Max

Isolation DC-3 GHz 20 dB Min

DC-2 GHz 25 dB Min
DC-1 GHz 40 dB Min
DC-0.5 GHz 45 dB Min

Operating Characteristics

Impedance 50 Ohms Nominal
Switching Characteristics†

t

rise, tfall (10/90% or 90/10% RF) 2 ns Typ

t

on, toff (50% control to 90/10% RF) 4 ns Typ

Transients (In-Band) 30 mV Typ

Input Power for 1 dB Compression

Control Voltages (Vdc) 0/-5 0/-8

0.5-3 GHz +27 +33 dBm Typ

0.05 GHz +21 +26 dBm Typ

Intermodulation Intercept Point
(for two-tone input power up to +5 dBm)

Intercept Points IP

2

IP

3

0.5-3 GHz +68 +50 dBm Typ

0.05 GHz +62 +45 dBm Typ

Control Voltages (Complementary Logic)

V

IN

Low 0 to -0.2V @ 5 µA Max

VINHi -5V @ 10 µA Typ to -8V @ 200 µA Max

Environmental

MIL-STD-883 screening available.

*

All specifications apply with 50 ohm impedance connected to all RF portswith
0 and -5 Vdc control voltages.

† Faster switching speed can be achieved with enhanced driver waveform.

GaAs Transfer Switch
DC - 3 GHz

CR-4

●

●

●

SW-283

16 15 14 13

5678

PIN 1

2
3
4

12

11
10
9

0.050 TYP
(1.27)

.015 ± .003 TYP

(0.38 ± 0.08)

0.050 TYP
(1.27)

0.250 SQ
(6.35)

0.025 (0.64)

0.075 MAX
(1.91)

.005 ± .002

(0.13 ± 0.05)

ORIENTATION

TAB

0.100 MIN

(2.54) TYP

Ordering Information

Model No. Package

SW-283 PIN Ceramic

V3.00

M/A-COM, Inc.

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

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

1

Specifications Subject to Change Without Notice.

Bottom of case is AC ground.

Dimensions in ( ) are in mm.

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

.xx = ±0.02 (.x = ±0.5)

Control Input Condition of Switch

A B RF1-RF2 RF2-RF3 RF1-RF4 RF3-RF4
Hi Low OFF ON ON OFF
Low Hi ON OFF OFF ON

GaAs Transfer Switch SW-283

T ypical Performance

2.0

1.5

1.0

0.5

.0

DC 1 2 3

LOSS (dB)

80
70
60
50
40
30
20

DC 1 2 3

ISOLATION (dB)

2.0

1.8

1.6

1.4

1.2

1.0
DC 1 2 3

FREQUENCY (GHz)

VSWR

INSERTION LOSS

ISOLATION

VSWR

+ 85°C

-55°C

Schematic

Truth Table

+25°C

V3.00

M/A-COM, Inc.

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

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

2

Specifications Subject to Change Without Notice.