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| Digital Attenuator, 15 dB, 4-Bit DC - 2 GHz Features q q AT-212 V 2.00 CR-6 q q q Attenuation 1-dB Steps to 15 dB Temperature Stability +/-0.18 dB from -55C to +85C Typical Ultra Low DC Power Consumption Hermetic Surface Mount Package Fast Switching Speed, 10 ns Typical (From -55C to +85C) DC - 2.0 GHz 1 dB Steps to 15 dB DC - 2.0 GHz Guaranteed Specifications1 Frequency Range Nominal Attenuation2 Attenuation Accuracy Any Single Bit +/- (0.10 dB + 3% if Attenuation Setting in dB) dB Any Combination of Bits+/- (0.15 dB +3% if Attenuation Setting in dB) dB VSWR Reference Insertion Loss DC - 2.0 GHz DC - 2.0 GHz 1.5:1 dB Max 2.0 dB Max Operating Characteristics Impedance Switching Characteristics Trise, Tfall (10% to 90%) Ton, Toff (50% C+L to 90%/10% RF) Transients (in band) Input Power for 1 dB Compression .005 GHz .05 GHz to 5 GHz Intermodulation Intercept Point (for two-tone input power up to +5 dBm) Intercept Points IP2 .005 GHz to 5 GHz +49 .05 GHz to 5 GHz +72 50 Ohms Nominal 10 ns Typ 15 ns Typ 18 mV Typ +22 dBm Typ +28 dBm Typ IP3 +45 +50 dBm dBm Control Voltages (Complementary Logic) V IN Low 0 V to -0.2 V @ 20A Max V IN Hi -5 V @ 10A typ to -8 V @ 200 A Max 1. All specifications apply with 50 ohm connected to all RF ports. 2.Above reference insertion loss . 3.Contact the factory for standard or custom screening requirements. Ordering Information Model No. AT-212 PIN Package Surface Mount Digital Attenuator, 15 dB, 4-Bit Typical Performance AT-212 V 2.00 Absolute Maximum Ratings 1 Parameter Max Input Power 0.05 GHz 0.5 - 2.0 GHz Control Voltage Operating Temperature Storage Temperature +27 dBm +34 dBm +5 V, -8.5 V -55C to +125C -65C to +150C Absolute Maximum 1. Operation of this device above any one of these parameters may cause permanent damage. Truth Table Control Inputs VC4 VC4 VC3 VC3 VC2 VC2 VC1 VC1 Attenuation (dB) 1 0 1 0 1 0 1 0 Reference 0 1 1 0 1 0 1 0 1 dB 1 0 0 1 1 0 1 0 2 dB 1 0 1 0 0 1 1 0 4 dB 1 0 1 0 1 0 0 1 8 dB 0 1 0 1 0 1 0 1 15 dB "0" = Vin Low, Vin Low = 0 V, "1" = Vin High, Vin High = -5 V Functional Schematic (Top View) |
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