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| HMIC PIN Diode Variable Attenuator 0.80-1.0 GHz Features * * * * * * * Bandwidth: 0.80 GHz to 1.00 GHz <1.0 dB Insertion Loss, Typical 1.4:1 VSWR, Typical 24 dB Attenuation, Typical 40 dBm IIP3, Typical ( 1MHz Offset, @ +0dBm Pinc ) 0-1.8 Volt Control Voltage. User can add an External Resistor for higher voltage requirements. * RoHs Compliant MA4VAT900-1277T V2 MLP 3mm Package--Circuit Side View Extra Features * * * * Usable Bandwidth: 0.60 GHz to 2.00 GHz 1.9 dB Insertion Loss, Max 2:1 VSWR, Max 20 dB Attenuation, Max PIN 1 PIN 16 PIN Configuration PIN 1 2 3 4 5 6 Function GND GND GND GND GND RF2 GND GND PIN 9 10 11 12 13 14 15 16 Function DC2 GND GND DC1 GND GND RF1 GND Description and Applications M/A-COM's MA4VAT900-1277T is a HMIC MONLITHIC PIN Diode Variable Attenuator which utilizes an integrated 90 degree 3dB hybrid with a pair of Silicon PIN Diodes to perform the required attenuation function as Voltage (Current) is applied. This device operates from 0 to 2 Volts at 330 uA typical control current for maximum attenuation. The user can add external biasing resistors to the bias ports for higher voltage requirements as required. M/A-COM's MA4VAT900-1277T PIN Diode Variable Attenuator is designed for AGC Circuit Applications requiring: * Lower Insertion Loss * Lower distortion through attenuation * Larger dynamic range for wide spread spectrum applications 7 8 Center Paddle is RF and D.C. Ground Note: RF Input & RF Output Ports are Functionally Symmetrical Absolute Maximum Ratings @ +25 C Parameter Operating Temperature Storage Temperature Junction Temperature RF C.W. Incident Power Reversed Current @ -30 V Control Current Maximum Ratings -40 C to +85 C -65 C to +150 C +175 C +33 dBm C.W. 50nA 5 mA per Diode Notes: 1. All the above values are at +25 C, unless otherwise noted. 2. Exceeding these limits may cause permanent damage. 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. HMIC PIN Diode Variable Attenuator 0.80-1.0 GHz Electrical Specifications @ +25 C Parameter No DC Bias RF Parameter Insertion Loss Input Return Loss Output Return Loss P1dB IIP3 Control Voltage DC Bias RF Parameter Maximum Attenuation Input Return Loss @ Max Attenuation Output Return Loss @ Max Attenuation Input IP3 Control Voltage @ Max Attenuation 0.80 GHz--1.00 GHz dB dB dB dBm V 21 17 17 15 0.80 GHz--1.00 GHz dB dB dB dBm dBm V 11 11 30 37 Frequency Band Unit Min MA4VAT900-1277T V2 Typ Max 1.0 14 14 33 40 0 V @ 0uA 1.2 - 24 20 20 18 1.80 V @ 330 uA - Typical RF Performance Over Industry Designated RF Frequency Bands Band Freq (MHz) AMPS RX TX 824-849 869-894 I. Loss (dB) 0.9 0.9 Att. (dB) 24 24 R. Loss (dB) 13 13 IIP3 (dBm) 40 40 Phase -Relative(Degree) -15 GSM RX TX 880-915 925-960 1.1 1.1 21 21 11 11 40 40 -15 Notes: 1. All are typical values only. 2. Relative phase is the measured Insertion Phase difference between Insertion Loss and 15 dB Attenuation. (Please refer to the plots below) 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. HMIC PIN Diode Variable Attenuator 0.80-1.0 GHz Plots of Typical RF Characteristics @ +25 C Typical Insertion Loss & Attenuation Plot Typical Insertion Loss & Attenuation for MA4VAT900-1277 0 -5 30 25 Attenuation (dB) 20 15 10 5 MA4VAT900-1277T V2 Typical Attenuation vs Voltage Plot (@900 MHz) Typical Attenuation vs Volatge for MA4VAT900-1277 Attenuation (dB) -10 -15 -20 -25 -30 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 Voltage Applied (V) Frequency (GHz) 0V/0uA 0.76V/49uA 1.05V/125uA 1.30V/185uA 1.50V/240uA 1.80V/330uA Typical Return Loss @ All Attenuation Levels Plot Typical Return Loss at Attenuation levels for MA4VAT900-1277 0 -5 Return Loss (dB) -10 Typical IIP3 vs Attenuation Plot Typical IP3 vs Attenuation for MA4VAT900-1277 50 40 IP3 (dBm) 30 20 10 0 -15 -20 -25 -30 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 Frequency (GHz) 0V/0uA 0.76V/49uA 1.05V125uA 1.30V185uA 1.50V/240uA 1.80V330uA 0 3 6 9 12 15 18 21 24 27 Attenuation (dB) 800Mhz 900MHz 1000MHz Typical Relative Phase Shift Per Attenuation (Voltage) Plot Typical Relative phase shift vs Frequency per Voltage (Attenuation) for MA4VAT900-1277 0 Relative Phase Shift (degree) -20 -40 -60 -80 -100 -120 0.6 0V * * * * * 0.8 0.76V For Reference ONLY: With 0 External Bias Resistor, the following are Approximate Values: * Insertion Loss = 0 V @ 0 uA 5dB Attenuation 10dB Attenuation 15dB Attenuation Max Attenuation = 0.76 V @ 49 uA = 1.05 V @ 125uA = 1.30 V @ 185 uA = 1.8 V @ 330 uA 20dB Anttenuation = 1.50 V @ 240 uA 1.0 1.05V 1.2 1.4 Frequency (GHz) 1.30V 1.6 1.50V 1.8 1.80V 2.0 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. HMIC PIN Diode Variable Attenuator 0.80-1.0 GHz MA4VAT900-1277T V2 Package PIN Designation, External Components, and Equivalent Circuit RF in/out Cblock Cblock =10pF Cbias = 10pF Rexternal = 0 -Ohms Cbias Rbias INPUT Control Current Cbias GND Paddle Cblock RF out/in 4 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. |
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