Matched GaAs SP4T Switch
5 - 2000 MHz
Features
q
q
q
q
SW-254
V2.00
DI-5
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 Speci鏗乧ations *
Frequency Range
Insertion Loss
5-2000 MHz
5-1000 MHz
5-500 MHz
5-2000 MHz
5-1000 MHz
5-500 MHz
5-2000 MHz
5-1000 MHz
5-500 MHz
(From -55擄C to +85擄C)
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
VSWR
Isolation
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
50 Ohms Nominal
7 ns
20 ns
80 mV
+27 dBm Typ
+21 dBm Typ
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .xxx = 鹵0.010 (.xx = 鹵0.25)
.xx = 鹵0.02 (.x = 鹵0.5)
WEIGHT (APPROX.): 0.26 OUNCES 73 GRAMS
Schematic
RF 4
GND
RF 3
CTL 4
Intermodulation Intercept Point
(for two-tone input power up to +13 dBm)
Intercept Points
IP2
IP3
500-2000 MHz
+68
+46
dBm Typ
50 MHz
+60
+40
dBm Typ
Bias Power
+5 VDC @ 0.30 mA Typ, 1 mA Max
Environmental
MIL-STD-883 screening available.
* All speci鏗乧ations apply when operated with bias voltage of +5 VDC
and 50 ohm impedance at all RF ports.
50
50 50
GND
RF COMMON
GND
GND
GND
RF 1
CTL 3
CTL 2
CTL 1
+VDC
NC
RF 2
Truth Table
Control Input
鈥?鈥?= Logic High
TTL
CTL1 CTL2 CTL3 CTL4
1
0
0
0
0
1
0
0
0
0
1
0
0
0
0
1
Condition of Switch
RF Common To Each RF Port
RF1
ON
OFF
OFF
OFF
RF2
OFF
ON
OFF
OFF
RF3
OFF
OFF
ON
OFF
RF4
OFF
OFF
OFF
ON
Ordering Information
Model No.
SW-254 PIN
Package
Dual Inline
Speci鏗乧ations Subject to Change Without Notice.
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
s
50
1
Asia/Paci鏗乧: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
s
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
1
2
