AT-357SMA

AT-357 GaAs Digital Attenuator 31 dB, 5 - Bit, DC - 2 GHz Features n n n Rev. V4 C-46 Attenuation 1 dB Steps to 31 dB TTL Control Interface Hermetic Connectorized Housing Description Electrical Specifications 1: TA = -55°C to +85°C Parameter Nominal Attenuation 2 Test Conditions 1 dB Steps to 31 dB Frequency Units Min Typ Max Attenuation Accuracy VSWR DC - 1.0 GHz 1.0 - 2.0 GHz DC - .025 GHz .025 - 0.5 GHz 0.2 - 2.0 GHz 0.5 - 1.0 GHz DC - 0.5 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz — 50% CTL to 90% RF 50% CTL to 10% RF 10% RF to 90% RF 90% RF to 10% RF Unfiltered Input Power Two-Tone Input Power up to +5 dBm Two-Tone Input Power up to +5 dBm — — — — — — 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz ± (0.2 dB +2% of Atten Setting in dB) dB) ± (0.2 dB +2% of Atten Setting in dB) dB) Ratio Ratio Ratio Ratio dB dB dB Ohms ns ns ns ns mV dBm dBm dBm dBm dBm dBm — — — — — — — — — — — — — — — — — — — — — — — — — — 50 160 80 15 3 130 28 15 +55 +45 +47 +28 2.2:1 1.8:1 1.5:1 1.4:1 5.5 6.0 6.5 — — — — — — — — — — — — Reference Insertion Loss Impedance Ton Toff Trise Tfall Transients 1 dB Compression IP2 IP3 1 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. AT-357 GaAs Digital Attenuator 31 dB, 5 - Bit, DC - 2 GHz Electrical Specifications 1: TA = -55°C to +85°C Parameter Bias Power Vin Low (0) Vin High (1) Rev. V4 Test Conditions +15 VDC -12 VDC 0.0 to 0.8V 2.4 to 5.0V Frequency — — — — Units mA mA µA µA Min — — — — Typ — — — — Max 5 3 1 1 Functional Schematic (Top View) 1 dB 2 dB 4 dB 8 dB 16 dB Truth Table Control Input C1 0 Attenuation Setting C5 0 0 0 0 0 1 Reference 1 dB 2 dB 4 dB 8 dB 16 dB Sum of Bits Selected C2 0 0 1 0 0 0 C3 0 0 0 1 0 0 C4 0 0 0 0 1 0 RF1 RF2 1 0 0 +15V C1 GND C2 GND C3 GND C4 GND C5 -12V 0 0 Absolute Maximum Ratings Parameter Max Input Power 0.05 GHz 0.5 - 2.0 GHz Bias Votlage +15V Supply (V+) -12V Supply (V-) Control Votlage Operating Temperature Storage Temperature 4 Any Combination Absolute Maximum “1” = Logic High (TTL) +27 dBm +32 dBm -0.7V to +18V -15V to +0.7V (V-) -2V to (V+) +2V (or 30 mA, whichever comes first) -55°C to +125°C -65°C to +150°C “0” = Logic Low (TTL) 4. Operation of this device above any one of these parameters may cause permanent damage. 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. AT-357 GaAs Digital Attenuator 31 dB, 5 - Bit, DC - 2 GHz Typical Performance Curves Rev. V4 Attenuation Flatness vs. Frequency 3 1 dB 1, 2 , 4 , 8 , 16 d B Ref. Insertion Loss vs. Frequency Deviation from Nominal Attenuation (dB) 1 6 5 0.5 Loss (dB) 0.25 0.50 0.75 1.00 4 3 2 0 -0.5 -1 0.00 1 0.00 0.25 0.50 0.75 1.00 F re que nc y ( G H z) F requency (GH z) VSWR vs. Frequency Inser t i o n Lo ss and 1 d B B i t A t t enuat i o n o f 2 d B and G r eat e r 2.00 Ordering Information Part Number AT-357 SMA Package C-46 1.80 VSWR 1.60 1.40 1.20 1.00 0.00 0.50 1.00 1.50 2.00 F re que nc y ( G H z) 3 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, • India Tel: +91.80.43537383 • China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice.