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| Voltage Variable Absorptive Attenuator, 19 dB AT-302, AT-303, AT-307 DC - 2 GHz V 2.00 Features * Fast Switching Speed, 4 ns Typical * Ultra Low DC Power Consumption * Small Package Size AT-302 (TO-5-4) Guaranteed Specifications1 Frequency Range Insertion Loss VSWR (Matched) DC - 2.0 GHz AT-302 DC - 2.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 1.0 GHz DC - 0.5 GHz DC - 2.0 GHz DC - 2.0 GHz DC - 1.0 GHz 0 to 10 dB Att. 0 to 20 dB Att. 1.6 1.5 2.0:1 2.0:1 1.5:1 19 1.5 1.0 0.5 1.5 1.5 1.5 1.6:1 1.5:1 1.5:1 19 1.5 1.5 0.5 1.5 (From -55C to +85C) AT-303 AT-307 1.5 1.5 1.6:1 1.5:1 1.5:1 19 1.5 1.5 dB Max dB Max Max Max Max dB Min dB Max dB Max Attenuation Flatness (Peak to Peak) Attenuation vs. Temperature 0.5 dB Max 1.5 dB Max AT-303 (CR-3) Operating Characteristics Impedance Switching Characteristics2 Trise,Tfall (10% to 90%) Ton, Toff (50% CTL to 90%/10% RF) Transients (in band) Input Power for 1 dB Compression Attenuation Level 0 2 0.5 to 2.0 GHz +29 +29 0.05 GHz +24 +26 5 +21 +18 10 +28 +28 20 +30 +30 50 Ohms Nominal 6 ns Typ 8 ns Typ 10 mV Typ dB dBm Typ dBm Typ Intermodulation Intercept Point (for two-tone input power up to +5 dBm) Intercept Points IP2 IP3 Attenuation Level: 05 10 05 10 dB 0.5 to 2.0 GHz 68 47 53 49 39 40 dBm Typ 0.05 GHz 51 40 38 48 32 32 dBm Typ Phase Shift (Relative to 0 dB Attenuation) Attenuation Level: 10 0.5 GHz 2.5 Control Voltages A Input (Shunt FETS) B Input (Series FETS) AT-307 (CR-2 w/o Pin 1) 19 11 dB Deg Typ 0 to -4V @ 100 A Max 0 to -4V @ 100 A Max 1. All specifications apply with 50 ohm connected to all RF ports. 2. Switching speed is measured between 19 dB and 0 dB attenuation levels. 3. Contact the factory for standard or custom screening requirements. Ordering Information Model No. AT-302 PIN AT-303 PIN AT-307 PIN Package TO-5-4 Ceramic Ceramic For all packages: Voltage Variable Absorptive Attenuator Absolute Maximum Ratings Parameter Max. Input Power 0.05 GHz 0.5 - 2.0 GHz Control Voltage Operating Temperature Storage Temperature Absolute Maximum1 AT-302, AT-303, AT-307 V 2.00 Functional Schematics (Top View) +27 dBm +30 dBm +5V, -8.5V -55C to +125C -65C to +150C 1.Operation of this device above any one of these parameters may cause permanent damage. AT-303 Typical Performance |
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