Features
Small Ceramic Package, 0.250" Sq
Fast Switching Speed, 4 ns Typical
Ultra Low DC Power Consumption
Guaranteed Specifications*
(From -55C to +85C)
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
trise, tfall (10/90% or 90/10% RF)
2 ns Typ
ton, 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 A Max
V
IN
Hi
-5V @ 10 A Typ to -8V @ 200 A Max
Environmental
MIL-STD-883 screening available.
*
All specifications apply with 50 ohm impedance connected to all RF ports with
0 and -5 Vdc control voltages.
Faster switching speed can be achieved with enhanced driver waveform.
GaAs Transfer Switch
DC - 3 GHz
CR-4
q
q
q
SW-283
16
15
14
13
5
6
7
8
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. (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.
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
Typical 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
+ 85C
-55C
Schematic
Truth Table
+25C
V3.00
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
2
Specifications Subject to Change Without Notice.