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GaAs SPDT High Isolation Terminated Switch, 0.5 - 2.0 GHz
SW-394
SW-394
GaAs SPDT High Isolation Terminated Switch
Features
* * * * * * Terminated RF Output High Isolation: 35 dB upto 2 GHz Positive Control Nanosecond Switching Speed CMOS Compatible Logic Low Cost SOIC 8 Plastic Package
SOIC-81
PIN 8
.1497/.1574 (3.80/4.00) Orientation Mark
.2284/.2440 (5.80/6.20) .010(.25) M B M
-B-
PIN 1
.1890/.1968 (4.80/5.00) -A-
Description
M/A-COM's SW-394 is a GaAs monolithic SPDT terminated switch in a low cost SOIC 8-lead plastic package. The SW-394 is ideally suited for use where low power consumption and high isolation are required. Typical applications include transmit/ receive switching, switch matrices and switched filter banks in systems such as radio and cellular equipment. The SW-394 is fabricated using a mature 1-micron gate length GaAs MESFET process. The process features full chip passivation for increased performance and reliability.
CHAMFER (OPTIONAL)
.0040/.0098 (.10/.25)
.0532/.0688 (1.35/1.75) .004(0.10)
0/8
-C-
.050(1.27)BSC.
.013/.020 (8 PL) (.33/.51) .010(.25) M C A M B S
.016/.050 (0.40/1.27)
.0075/.0098 (.19/.25)
1. Dimensions are in: inches/mm
Ordering Information
Part Number SW-394 PIN SW-394TR Package SOIC 8-Lead Plastic Package Tape and Reel1
1. Refer to Application Note M513 for reel size information.
Electrical Specifications: TA = +25C1=
Parameter Insertion Loss Isolation VSWR 1 dB Compression Test Conditions 0.5 - 2.0 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz 0.5 - 1.5 GHz Input Power, +5V Control/Supply Units dB dB dB 0.5 GHz 0.9 GHz 1.5 GHz dBm dBm dBm s s mV dBm dBm dBm dBm Min. 37 32 Typ. 1.3 40 35 1.6:1 24 24 25 34 36 22 67 72 47 47 Max. 1.5
Trise, Tfall Ton, Toff Transients Input IP2 Input IP3
1.
10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, Control to 10% RF In-band 2-Tone, 5 MHz spacing, 0.5 GHz +10 dBm each 0.9 GHz 2-Tone, 5 MHz spacing, 0.5 GHz +10 dBm each 0.9 GHz
All measurements taken at 900 MHz in a 50 system unless otherwise specified. Loss varies at 0.003 dB/C.
Specifications subject to change without notice.
North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information.
V3.00
GaAs SPDT High Isolation Terminated Switch, 0.5 - 2.0 GHz
SW-394
Absolute Maximum Ratings1
Parameter Input Power Operating Voltage(VS, VA, VB) Operating Temperature Storage Temperature
1.
Functional Schematic1
+34 dBm +8.5 Volts -40C to +85C -65C to +150C
8 7
50 =
Absolute Maximum
RF2 GND GND RF1 6
50 =
5
Exceeding any one or a combination of these limits may cause permanent damage.
1
2
3
4 B
Truth Table
Control Input A Control Input B 0 1
"0" = 0.2 Vdc "1" = +50.2 Vdc Vs = +50.2 Vdc 30 A max. current total
RFC - RF2 Off On
RFC - RF1 On Off
1.
A
GND RFC
Vs 10k
1 0
Blocking capacitors are required on all RF ports. VS can be applied at any RF port using 10K or greater pull-up resistor.
Typical Performance Curves
Insertion Loss vs. Frequency
6 INSERTION LOSS (dB) 5 4 3 2 1 0 0.5 1 1.5 2 2.5 3 FREQUENCY (GHz)
VSWR vs. Frequency
3 2.8 2.6 2.4 2.2 2 1.8 1.6 1.4 1.2 1 0.5 1
OUTPUT INSERTION
VSWR
OUTPUT ISOLATION
INPUT
1.5
2
2.5
3
FREQUENCY (GHz)
Isolation vs Frequency
50 45 40 35 30 25 20 15 10 5 0 0.5 1 1.5 2 2.5 3 FREQUENCY (GHz)
Specifications subject to change without notice.
ISOLATION (dB)
North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information.
V3.00

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