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GaAs SPDT Reflective Switch 0.01 - 3 GHz
Features
q q q q q q
SW-137
V2.00
0.87 (22.1 0.5)
CTL RF 1
DI-1
Isolation: 48dB Typ. at 1 GHz High Intercept Point Over Wide Bandwidth Trise, Tfall: 5 nS Typ. DIP Package Integral TTL Driver (CMOS Compatible) 50 Nominal Impedance
0.018 0.005 (0.46 0.13) DIA. 14 PINS
-
+
RF 2
0.200 (5.1) MAX
Description
M/A-COM's SW-137 is a GaAs MMIC SPDT reflective switch with an integral Silicon ASIC driver. This device is in a 14-lead DIP package. These switches offer high intercept points over a wide bandwidth of operation, while maintaining low DC power dissipation. These switches exhibit excellent performance and repeatability from 0.01 to 3.0 GHz. The SW-137 is ideally suited for RF/IF communications applications. Contact the factory for environmental screening.
0.100 (2.5) TYP
0.120 (3.0) MIN
0.300 (7.6)
0.50 (12.7 0.5)
0.10 (2.5 0.5)
0.13 (3.3 0.5)
Electrical Specifications , TA = -55C to +85C
Parameter Reference Insertion Loss Test Conditions .01 - 0.5 GHz .01 - 1.0 GHz .01 - 2.0 GHz .01 - 3.0 GHz .01 - 0.5 GHz .01 - 1.0 GHz .01 - 2.0 GHz .01 - 3.0 GHz .01 - 0.5 GHz .01 - 1.0 GHz .01 - 2.0 GHz .01 - 3.0 GHz 10% to 90% 50% Control to 90%/10% RF In-band (peak-peak) 0.01 - 3.0 GHz For two-tone input power up to +5 dBm For two-tone input power up to +5 dBm .01 - 3.0 GHz .01 - 3.0 GHz
1
Dimensions in () are in mm. Unless Otherwise Noted: .xxx = 0.010 (.xx = 0.25) Units dB dB dB dB dB dB dB dB 48 43 37 32 1.25:1 1.4:1 1.7:1 2.0:1 nS nS mV dBm dBm dBm V V +9 -15 5 22 45 +25 +46 +76 +12 -12 +15 -9 20.0 15.0 0.0 2.0 0.8 5.0 1.0 1.0 Minimum Typical Maximum 0.9 1.0 1.4 1.6
Isolation
VSWR
Trise, Tfall Ton, Toff Transients 1 dB Compression Input IP3 Input IP2 VCC VEE ICC IEE Vctl Vctl Input Leakage Current (Low) Input Leakage Current (High)
VCC = +9 to +15 V VEE = -9 to -15 V Low High 0 to 0.8 V 2.0 to 5.0 V
mA mA V V A A
1. All specifications apply when operated with bias voltages of 9 to
15V for VCC and -9 to -15V for VEE and 50 impedance at all RF ports unless otherwise specified.
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
North America: Tel. (800) 366-2266 Fax (800) 618-8883
s
1
Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451
s
Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020
GaAs SPDT Reflective Switch
SW-137
V2.00
Absolute Maximum Ratings1
Parameter Max. Input Power 0.05 GHz 0.5 - 3.0 GHz Supply Voltages VCC VEE Control Voltage Operating Temperature Storage Temperature Absolute Maximum +27 dBm +34 dBm -0.5V to +16.5V -16.5V to +0.5V -0.5V to VCC +0.5V -55C to +125 -65C to +150C
Functional Schematic (Top View)
RF1 GND GND GND GND GND RF2
C1 GND GND RFC GND -VDC +VDC
1. Operation of this device above any one of these parameters may cause permanent damage.
Truth Table
Condition of Switch Control Inputs C1 Low High RF Common to Each RF Port RF1 On Off RF2 Off On
Ordering Information2
Part No. SW-137 PIN Package Dual Inline
2. Contact the factory for standard or custom screening requirements
Typical Performance
INSERTION LOSS vs FREQUENCY
1.4 2.0
VSWR vs FREQUENCY RFC
INSERTION LOSS (dB)
1.2 1.0 0.8 0.6 0.4 0.2 0.0 0.0 0.5 1.0
+85C
1.5
+25C -55C
VSWR
1.0
RF1, RF2
0.5
0.0 1.5 2.0 2.5 3.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
FREQUENCY (GHz)
FREQUENCY (GHz)
ISOLATION vs FREQUENCY
80 70
Current (mA)
9 V VCC VEE 8 4 12 V 11 7 15 V 15 9
ISOLATION (dB)
60 50 40 30 20 10 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0
FREQUENCY (GHz)
Specifications Subject to Change Without Notice.
2
North America: Tel. (800) 366-2266 Fax (800) 618-8883
s
M/A-COM, Inc.
Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451
s
Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020

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