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| SPDT Reflective Switch - Positive Control ITT140AK FEATURES * * * * * SOT-6 package Low insertion loss (0.6 dB @ 1 GHz) Power Handling - >31 dBm @ +5Volts Positive control Self-Aligned MSAG(R) Process Preliminary External DC blocking capacitors and 10K ohm resistor at VS are required for positive control DESCRIPTION The ITT140AK is a low loss SPDT reflective switch in a plastic SOT-6 package for commercial applications. The switch operates with positive control signals. TRUTH TABLE (POSITIVE CONTROL) V1 +3 0 V2 0 +3 J1-J2 Isolation Insertion Loss J1-J3 Insertion Loss Isolation ELECTRICAL SPECIFICATIONS AT 25 C (0, +3 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-1.0 GHz DC-2.0 GHz Min Typ 0.5 0.6 0.9 1.1 27 21 15 14 1.3:1 1.4:1 Max Unit dB dB dB dB dB dB Isolation VSWR 1. 2. 3. All measurements made in a 50 system, unless otherwise specified. DC = 50 MHz. Video feedthru measured with 1 ns rise OPERATING CHARACTERISTICS AT 25 C (0, +3 V) Parameter Switching Characteristics Condition1 Rise, Fall (10/90% or 90/10%) On, Off (50% CTL to 90/10% RF) Video Feedthru4 VHigh = + 3 V VHigh = + 5 V, VDD = +5 V For two-tone Input Power +5 dBm VLow = 0.0 V VHigh = +3 V VHigh = +5 V, VDD = +5 V Frequency Min Typ 2 4.4 8.8 24 31 46 Max Units ns ns mV dBm dBm dBm A A A Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) Control Voltages 0.5 - 2.0 GHz 0.5 - 2.0 GHz 0.5 - 2.0 GHz 20 100 200 Specifications Subject to Change Without Notice 902459 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 Reflective Switch - Positive Control ITT140AK Preliminary MAXIMUM RATINGS Rating RF input power3 Control Voltage Junction Temperature Storage Temperature Symbol J1,2,3 V1,2 TJ TSTG Value 3W @ 1 GHz 0/+5 V +0.0, +5 V +150 C -40 C to +150 C dB Insertion Loss 2.5 2 1.5 1 0.5 0 0 500 1000 1500 2000 2500 Frequency (MHz) Insertion Loss vs Frequency Isolation VSWR 50 45 40 35 30 25 20 15 10 5 0 0 500 1000 1500 2000 Frequency 3 2.5 2 1.5 1 2500 3000 3500 4000 dB 0 500 1000 1500 2000 2500 Frequency (MHz) Isolation vs Frequency VSWR vs Frequency Specifications Subject to Change Without Notice 902459 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 |
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