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| SPDT Non-Reflective Switch - High Isolation Negative or Positive Control ITT002AB FEATURES * * * * * * * * SOIC-8 package Non-Reflective High Isolation (40 dB @ 1 GHz) Usable to 4 GHz Low DC Power Consumption Positive Control when "floated" with capacitors Pin-for-pin compatible with standard "002" reflective switches Self-Aligned MSAG(R) MESFET Process DESCRIPTION The ITT002AB is a low loss SPDT non-reflective switch in a plastic SOIC-8 package for commercial applications. The switch operates with -5, 0 volts, but operates with +5 volts when device is "floated." TRUTH TABLE (Negative Control) V1 -5 0 V2 0 -5 J1-J2 Isolation Insertion Loss J1-J3 Insertion Loss Isolation ELECTRICAL SPECIFICATIONS AT 25 C (0, -5 V) Parameter Insertion Loss Test Conditions1 DC2-0.5 GHz DC-1.0 GHz DC-2.0 GHz DC-2.5 GHz DC-0.5 GHz DC-1.0 GHz DC-2.0 GHz DC-2.5 GHz DC-2.0 GHz DC-2.5 GHz Min Typ 0.6 0.8 1.1 1.5 43 40 28 25 1.1:1 1.2:1 Max 0.8 0.9 1.2 1.7 Unit dB dB dB dB dB dB dB dB Isolation 42 36 27 20 VSWR3 1.6:1 2.0:1 1. 2. 3. 4. All measurements made in a 50 system, unless otherwise specified. DC = 50 MHz Insertion loss state. Video feedthru measured with 1 ns rise Specifications Subject to Change Without Notice 902218 C, July 1999 GaAsTEK 5310 Valley Park Drive Roanoke, VA 24019 USA www.gaastek.com Tel: 1-540-563-3949 1-888-563-3949 (USA) Fax: 1-540-563-8616 1 SPDT Non-Reflective Switch - High Isolation Negative or Positive Control ITT002AB OPERATING CHARACTERISTICS AT 25 C (0, -5 V) Parameter Switching Characteristics Condition Rise, Fall (10/90% or 90/10%) On, Off (50% CTL to 90/10% RF) Video Feedthru4 Frequency Min Typ 24 30 16 20 22 47 Max Units ns ns mV dBm dBm dBm A A A Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) Control Voltages For two-tone Input Power +5 dBm VLow = 0.0 to -0.2 V VHigh = -5 V VHigh = -8 V 0.05 GHz 0.5 - 2.0 GHz 0.5 - 2.0 GHz 20 20 200 MAXIMUM RATINGS Rating RF input power Control Voltage Junction Temperature Storage Temperature Symbol J1,2,3 V1,2 TJ TSTG Value 0.5 W @ 50 MHz 0/-8 V 2 W > 500 MHz 0/-8 V +0.2, -8 V +150 C -40 C to +150 C 4.0 3.5 3.0 2.5 dB 2.0 1.5 1.0 0.5 0.0 0 1000 2000 Frequency (MHz) 3000 4000 Insertion Loss vs Frequency 60 Frequency (MHz) 50 40 30 20 10 0 0 1000 2000 dB 3000 4000 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 1000 2000 Frequency (MHz) 3000 4000 Isolation vs Frequency Specifications Subject to Change Without Notice VSWR vs Frequency 902218 C, July 1999 GaAsTEK 5310 Valley Park Drive Roanoke, VA 24019 USA www.gaastek.com Tel: 1-540-563-3949 1-888-563-3949 (USA) Fax: 1-540-563-8616 2 SPDT Non-Reflective Switch - High Isolation Negative or Positive Control ITT002AB TRUTH Control) V1 0 +5 TABLE V2 +5 0 (Positive J1-J3 Insertion Loss Isolation J1-J2 Isolation Insertion Loss SOIC 8 PACKAGE DIMENSIONS: Dimensions are typical and in inches. Specifications Subject to Change Without Notice 902218 C, July 1999 GaAsTEK 5310 Valley Park Drive Roanoke, VA 24019 USA www.gaastek.com Tel: 1-540-563-3949 1-888-563-3949 (USA) Fax: 1-540-563-8616 3 |
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