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HMC424G16_09

HMC424G16_09

  • 厂商:

    HITTITE

  • 封装:

  • 描述:

    HMC424G16_09 - 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 3 GHz - Hittite Microwave Corporat...

  • 数据手册
  • 价格&库存
HMC424G16_09 数据手册
HMC424G16 v04.0709 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 3 GHz 5 ATTENUATORS - DIGITAL - SMT Typical Applications The HMC424G16 is ideal for: • Telecom Infrastructure • Military Radios, Radar & ECM • Space Applications • Test Instrumentation Features 0.5 dB LSB Steps to 31.5 dB Single Control Line Per Bit ±0.5 to ±0.8 dB Typical Bit Error 16 Lead Hermetic SMT Package Functional Diagram General Description The HMC424G16 is a broadband 6-bit GaAs IC digital attenuator in a 16 lead glass/metal (hermetic) surface mount package. Covering DC to 3 GHz, the insertion loss is less than 3 dB typical. The attenuator bit values are 0.5 (LSB), 1, 2, 4, 8, and 16 dB for a total attenuation of 31.5 dB. Attenuation accuracy is excellent at ±0.5 dB typical step error with an IIP3 of +32 dBm. Six control voltage inputs, toggled between 0 and -5V, are used to select each attenuation state at less than 70 μA each. A single Vee bias of -5V allows operation at frequencies down to DC. Electrical Specifi cations, TA = +25° C, With Vee = -5V & Vctl = 0/-5V Parameter Insertion Loss Attenuation Range Return Loss (RF1 & RF2, All Atten. States) Attenuation Accuracy: (Referenced to Insertion Loss) All States All States Input Power for 0.1 dB Compression Input Third Order Intercept Point (Two-Tone Input Power= 0 dBm Each Tone) Switching Characteristics tRISE, tFALL (10/90% RF) tON/tOFF (50% CTL to 10/90% RF) REF State All Other States DC - 2.0 GHz 2.0 - 3.0 GHz 1.0 - 3.0 GHz 1.0 - 3.0 GHz DC - 3 GHz 30 50 ns ns ± 0.4 + 4% of Atten. Setting Max ± 0.5 + 5% of Atten. Setting Max 22 46 32 dB dB dBm dBm dBm Frequency (GHz) DC - 3 GHz DC - 3 GHz DC - 3 GHz Min. Typ. 3.0 31.5 12 Max. 3.6 Units dB dB dB 5 - 98 F or price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC424G16 v04.0709 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 3 GHz Return Loss RF1, RF2 Insertion Loss 0 -1 INSERTION LOSS (dB) -2 -3 -4 -5 -6 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) +25C +85C -40C (Only Major States are Shown) 0 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB 5 ATTENUATORS - DIGITAL - SMT 5 - 99 -5 RETURN LOSS (dB) -10 -15 -20 -25 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) Normalized Attenuation (Only Major States are Shown) 2 0 BIT ERROR (dB) NORMALIZED ATTENUATION (dB) -5 1 -10 -15 0 -20 -25 -1 -30 -2 -35 0 4 0.5 8 1 12 1.5 16 2 20 2.5 24 3 28 3.5 32 4 ATTENUATION STATE (dB) FREQUENCY (GHz) -2 0 4 8 12 16 20 24 28 32 ATTENUATION STATE (dB) 0.14 GHz 1 GHz 2 GHz 3 GHz Bit Error vs. Attenuation State 2 1 BIT ERROR (dB) 0.14 GHz 1 GHz 2 GHz 3 GHz 0 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB -1 Bit Error vs. Frequency (Only Major States are Shown) 3 2 BIT ERROR (dB) 1 0 -1 -2 -3 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB Relative Phase vs. Frequency (Only Major States are Shown) 100 80 RELATVIE PHASE (deg) 60 40 20 0 -20 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB F or price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC424G16 v04.0709 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 3 GHz 5 ATTENUATORS - DIGITAL - SMT Worst Case Step Error Between Successive Attenuation States 2 1.5 1 STEP ERROR (dB) 0.5 0 -0.5 -1 -1.5 -2 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) Bias Voltage & Current Vee Range= -5 Vdc ± 10% Vee (VDC) -5 Iee (Typ.) (mA) 2 Iee (Max.) (mA) 5 Control Voltage State Low High Bias Condition 0 to -3V @ 35 μA Typ. -5 to -4.2V @ 5 μA Typ. Truth Table Control Voltage Input V1 16 dB Low Low Low Low Low Low High High V2 8 dB Low Low Low Low Low High Low High V3 4 dB Low Low Low Low High Low Low High V4 2 dB Low Low Low High Low Low Low High V5 1 dB Low Low High Low Low Low Low High V6 0.5 dB Low High Low Low Low Low Low High Attenuation State RF1 - RF2 Reference I.L. 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB Any Combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. 5 - 100 F or price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC424G16 v04.0709 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 3 GHz Absolute Maximum Ratings Control Voltage (V1 to V6) Bias Voltage (Vee) Channel Temperature Thermal Resistance Storage Temperature Operating Temperature RF Input Power (0.5 - 13.0 GHz) Vee - 0.5 Vdc -7 Vdc 150 °C 330 °C/W -65 to + 150 °C -55 to +85 °C +25 dBm 5 ATTENUATORS - DIGITAL - SMT 5 - 101 ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing NOTES: 1. PACKAGE MATERIAL: ALUMINA LOADED BOROSILICATE GLASS. 2. LEADS, BASE, COVER MATEIRAL: KOVARTM (#7052 CORNING). 3. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MIN., OVER ELECTROLYTIC NICKEL 75 MICROINCHES MIN. 4. ALL DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. TOLERANCES: 0.005 [.013] UNLESS OTHERWISE SPECIFIED. 6. CHARACTERS TO BE HELVETICA MEDIUM .030 HIGH, BLACK INK, LOCATED APPROX. AS SHOWN. 7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. F or price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC424G16 v04.0709 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 3 GHz 5 ATTENUATORS - DIGITAL - SMT Pin Descriptions Pin Number Function Description Interface Schematic 1, 12-16 V1 - V6 See truth table and control voltage table. 2, 4-6, 8, 9, 11 GND Package bottom must also be connected to RF/DC ground. These pins are DC coupled and matched to 50 Ohm. Blocking capacitors are required if RF line is not equal to 0V. 3, 10 RF1, RF2 7 Vee Supply Voltage -5V ±10% Suggested Driver Circuit (One Circuit Required Per Bit Control Input) Simple driver using inexpensive standard logic ICs provides fast switching using minimum DC current. * Recommended value to suppress unwanted RF signals at V1 - V6 control lines. 5 - 102 F or price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC424G16 v04.0709 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 3 GHz Evaluation PCB 5 ATTENUATORS - DIGITAL - SMT List of Materials for Evaluation PCB 106566 [1] Item J1 - J2 J3 C1 C2, C3 R1 - R6 U1 PCB [2] Description PCB Mount SMA Connector 8 Pin DC Connector 0.01 μF Capacitor, 0603 Pkg. 100 pF Capacitor, 0402 Pkg. 100 Ohm Resistor, 0603 Pkg. HMC424G16 Digital Attenuator 106461 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads and package bottom should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Hittite upon request. F or price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 5 - 103
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