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| v02.1100 MICROWAVE CORPORATION HMC273MS10G 1 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.7 GHz Features 1 dB LSB Steps to 31 dB Single Positive Control Per BIT +/- 0.5 dB Typical Bit Error Miniature MSOP 10 Package: 14.8mm2 Typical Applications The HMC273MS10G is ideal for: 9 ATTENUATORS - SMT * Cellular * PCS, ISM, MMDS * WLL applications Functional Diagram General Description The HMC273MS10G is a broadband 5 - bit positive control GaAs IC digital attenuator in a 10 lead MSOP plastic package. Covering 0.7 to 3.7 GHz, the insertion loss is typically less than 2 dB. The attenuator bit values are 1 (LSB), 2, 4, 8, and 16 dB for a total attenuation of 31 dB. Accuracy is excellent at 0.5 dB typical with an IIP3 of up to +48 dBm. Five bit control voltage inputs, toggled between 0 and +3 to +5 volts, are used to select each attenuation state. A single Vdd bias of +3 to +5 volts applied through an external 5K Ohm resistor is required. Electrical Specifications, TA = +25 C, Vdd = +3V to +5V & Vctl = 0/Vdd (Unless Otherwise Stated) Parameter Insertion Loss Frequency 0.7 - 1.4 GHz 1.4 - 2.3 GHz 2.3 - 2.7 GHz 2.7 - 3.7 GHz 0.7 - 3.7 GHz 0.7 - 1.4 GHz 1.4 - 2.7 GHz 2.7 - 3.7 GHz 11 14 10 Min. Typical 1.8 2.1 2.4 2.8 31 17 20 14 Max. 2.4 2.7 3.0 3.5 Units dB dB dB dB dB dB dB dB Attenuation Range Return Loss (RF1 & RF2, All Atten. States) Attenuation Accuracy: (Referenced to Insertion Loss) All Attenuation States All Attenuation States All Attenuation States 1 - 15 dB States 16 - 31 dB States Input Power for 0.1 dB Compression Vdd = 5V Vdd = 3V Vdd = 5V Vdd = 3V 0.7 - 1.4 GHz 1.4 - 2.3 GHz 2.3 - 2.7 GHz 2.7 - 3.7 GHz 2.7 - 3.7 GHz 0.7 - 3.7 GHz 0.35 + 3% of Atten. Setting Max 0.25 + 3% of Atten. Setting Max 0.30 + 5% of Atten. Setting Max 0.30 + 5% of Atten. Setting Max 0.50 + 8% of Atten. Setting Max 24 22 48 46 dB dB dB dB dB dBm dBm dBm dBm 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) 0.7 - 3.7 GHz 0.7 - 3.7 GHz 560 600 ns ns 9 - 14 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v02.1100 HMC273MS10G 1 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.7 GHz Return Loss RF1, RF2 Insertion Loss 0 -0.5 INSERTION LOSS (dB) (Only Major States are Shown) 0 -5 +25 C -40 C RETURN LOSS (dB) -1 -1.5 -2 -2.5 -3 -3.5 -4 0.5 +85 C 31 dB 16 dB 9 ATTENUATORS - SMT 9 - 15 -10 -15 -20 2 dB -25 1 dB 8 dB 4 dB 1 1.5 2 2.5 3 3.5 4 -30 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) Normalized Attenuation (Only Major States are Shown) 0 NORMALIZED ATTENUATION (dB) -5 -10 -15 -20 -25 -30 -35 0.5 Absolute Bit Error vs. Attenuation State 2 3.5 GHz 1.5 BIT ERROR (dB) 2.4 GHz 1.9 GHz 1 0.9 GHz 0.5 0 1 1.5 2 2.5 3 3.5 4 0 5 10 15 20 25 30 FREQUENCY (GHz) ATTENUATION STATE (dB) Absolute Bit Error vs. Frequency (Only Major States are Shown) 4 Relative Phase vs. Frequency (Only Major States are Shown) 150 3 BIT ERROR (dB) 31 dB 8 dB RELATIVE PHASE (deg.) 100 31 dB 16 dB 1, 2, 4 dB 50 2 16 dB 0 1 -50 1, 2, 4, 8 dB 0 0.5 -100 1 1.5 2 2.5 3 3.5 4 0 1 2 FREQUENCY (GHz) 3 4 FREQUENCY (GHz) Note: All Data Typical Over Voltage (+3V to +5V) & Temperature (-40 to +85 deg. C.). For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v02.1100 HMC273MS10G 1 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.7 GHz Truth Table Control Voltage Input Control Voltages State V5 1 dB High Low High High High High Low Attenuation Setting RF1 - RF2 Reference I.L. 1 dB 2 dB 4 dB 8 dB 16 dB 31 dB Max. Atten. Low High Bias Condition 0 to +0.2 V @ 20 uA Max Vdd 0.2V @ 100 uA Max V3 4 dB High High High Low High High Low V4 2 dB High High Low High High High Low 9 ATTENUATORS - SMT V1 16 dB High High High High High Low Low V2 8 dB High High High High Low High Low Note: Vdd = +3V to 5V 0.2V Any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. Application Circuit DC blocking capacitors C1 & C2 are required on RF1 & RF2. Choose C1 = C2 = 100 ~ 300 pF to allow lowest customer specific frequency to pass with minimal loss. R1 = 5K Ohm is required to supply voltage to the circuit through either PIN 6 or PIN 10. 9 - 16 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v02.1100 HMC273MS10G 1 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.7 GHz Absolute Maximum Ratings Control Voltage (V1 - V5) Bias Voltage (Vdd) Storage Temperature Operating Temperature RF Input Power (0.7 - 3.7 GHz) Vdd + 0.5 Vdc +8.0 Vdc -65 to +150 C -40 to +85 C 9 ATTENUATORS - SMT NOTES: 1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED PLASTIC SILICA AND SILICON IMPREGNATED. 2. LEADFRAME MATERIAL: COPPER ALLOY 3. LEADFRAME PLATING: Sn/Pb SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 6. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. +26 dBm Outline Drawing For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com 9 - 17 MICROWAVE CORPORATION v02.1100 HMC273MS10G 1 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.7 GHz Evaluation Circuit Board 9 ATTENUATORS - SMT * R2 - R6 = 100 Ohm. These resistors are optional and may be used to enhance decoupling of the RF path from the control inputs. 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 exposed ground paddle should be connected directly to the ground plane similar to that shown below. A sufficient number of VIA holes should be used to connect the top and bottom ground planes. The evaluation circuit board as shown is available from Hittite Microwave Corporation upon request. List of Material Item J1 - J2 J3 - J6 R1 R2, R3, R4 C1, C2 U1 PCB* Description PC Mount SMA Connector DC Pin 5k Ohm Resistor, 0402 Chip 100 Ohm Resistor, 0402 Chip 0402 Chip Capacitor, Select for Lowest Frequency of Operation HMC273MS10G Digital Attenuator 103391 Evaluation PCB 1.5" x 1.5" *Circuit Board Material: Rogers 4350 9 - 18 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com MICROWAVE CORPORATION v02.1100 HMC273MS10G 1 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.7 GHz Notes: 9 ATTENUATORS - SMT For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order Online at www.hittite.com 9 - 19 |
Price & Availability of HMC273MS10G
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