
Matched GaAs SP4T Switch
5 - 2000 MHz
SW-254
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
I
Asia/Pacific: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
I
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
1
Specifications Subject to Change Without Notice.
V2.00
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
G
Guaranteed Specifications *
(From -55°C to +85°C)
Frequency Range
Insertion Loss
5-2000 MHz
5-1000 MHz
5-500 MHz
VSWR
5-2000 MHz
5-1000 MHz
5-500 MHz
Isolation
5-2000 MHz
5-1000 MHz
5-500 MHz
5-2000 MHz
2.1 dB Max
1.6 dB Max
1.4 dB Max
2.3:1 Max
1.8:1 Max
1.4:1 Max
35 dB Min
36 dB Min
42 dB Min
Operating Characteristics
Impedance
Switching Characteristics
Trise, Tfall
Ton, Toff (50% CTL to 90/10% RF)
Transients (In-Band)
Input Power for 1 dB Compression
500-2000 MHz
50 MHz
Intermodulation Intercept Point
(for two-tone input power up to +13 dBm)
Intercept Points
500-2000 MHz
50 MHz
Bias Power
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.
50 Ohms Nominal
7 ns
20 ns
80 mV
+27 dBm Typ
+21 dBm Typ
IP2
+68
+60
IP3
+46
+40
dBm Typ
dBm Typ
+5 VDC @ 0.30 mA Typ, 1 mA Max
G
G
G
Truth Table
Control Input
“1” = Logic High
TTL
CTL1 CTL2 CTL3
1
0
0
1
0
0
0
0
Condition of Switch
RF Common To Each RF Port
CTL4
0
0
0
1
RF1
ON
OFF
OFF
OFF
RF2
OFF
ON
OFF
OFF
RF3
OFF
OFF
ON
OFF
RF4
OFF
OFF
OFF
ON
0
0
1
0
DI-5
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
5
5
5
5
Ordering Information
Model No.
SW-254 PIN
Package
Dual Inline
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