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.
Matched GaAs SP4T Switch
5 - 2000 MHz
SW-261
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
Guaranteed Specifications *
(From -55C to +85C)
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
2.5:1 Max
5-1000 MHz
1.8:1 Max
5- 500 MHz
1.4:1 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 Typ
Ton, T off (50% CTL to 90/10%RF)
20 ns Typ
Transients (In-Band)
80 mV Typ
Input Power for 1 dB Compression
500-2000 MHz
+27dBm Typ
50 MHz
+21dBm Typ
Intermodulation Intercept Point
(for two-tone input power up to +13 dBm)
Intercept Points
IP2
IP3
500-2000 MHz
+68
+46
dBm Typ
50MHz
+60
+40
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 voltages of +5
VDC
and 50 ohm impedance at all RF ports.
q
q
q
q
RF1
RF
RF4
RF2
+ 1
2
3
4 RF3
0.80
(20.32)
0.150
(3.81) TYP
PIN 1
7 EQUAL SPACES
@ 0.100 (2.54)
TOLERANCE
NON-CUMULATIVE
0.325
(8.26)
MIN
ODD
COLORED
BEAD
PIN 16
0.015
0.005
(0.38
.13)
DIA 16 PLACES
0.067
(1.70)
(0.150)
(3.81)
MAX
1.00
(25.40)
FP-17
Dimensions in ( ) are in mm.
Unless Otherwise Noted:.xxx = 0.010 (.xx = 0.25)
.xx = 0.02 (.x = 0.5)
WEIGHT (APPROX.): 0.21 OUNCES 6 GRAMS
Ordering Information
Model No.
Package
SW-261 PIN
Flatpack
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.
Matched GaAs SP4T Switch
SW-261
V2.00
Typical Performance
2.0
1.5
1.0
0.5
0.0
0.005
0.5
1.0
1.5
2.0
LOSS (dB)
80
70
60
50
40
30
20
0.005
0.5
1.0
1.5
2.0
ISOLATION (dB)
FREQUENCY (GHz)
2.0
1.8
1.6
1.4
1.2
1.0
0.005
0.5
1.0
1.5
2.0
VSWR
INSERTION LOSS
ISOLATION
VSWR
Schematic
Truth Table
Control Input
Condition of Switch
"1" = Logic High
RF Common To
Each RF PORT
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
+85C
+25C
-55C
PDF 
ZIP