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| HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Typical Applications The HMC648 is ideal for: * EW Receivers Features Low RMS Phase Error: 1.5 Low Insertion Loss: 4 dB High Linearity: +45 dBm Positive Control Voltage 360 Coverage, LSB = 5.625 Die Size: 3.85 x 1.85 x 0.1 mm 5 PHASE SHIFTERS - CHIP * Weather & Military Radar * Satellite Communications * Beamforming Modules * Phase Cancellation Functional Diagram General Description The HMC648 is a 6-bit digital phase shifter die which is rated from 2.9 to 3.9 GHz, providing 360 degrees of phase coverage, with a LSB of 5.625 degrees. The HMC648 features very low RMS phase error of 1.5 degrees and extremely low insertion loss variation of 0.5 dB across all phase states. This high accuracy phase shifter is controlled with positive control logic of 0/+5V, and is internally matched to 50 Ohms with no external components. Electrical Specifications, TA = +25 C, Vss= -5V, Vdd= +5V, Control Voltage = 0/+5V, 50 Ohm System Parameter Frequency Range Insertion Loss* Input Return Loss* Output Return Loss* Phase Error* RMS Phase Error Insertion Loss Variation* Input Power for 1 dB Compression Input Third Order Intercept Control Voltage Current Bias Control Current *Note: Major States Shown Min. 2.9 4 16 14 5 1.5 0.5 31 45 <250 <12 +10 / -18 Typ. Max. 3.9 6 Units GHz dB dB dB deg deg dB dBm dBm A mA 5 - 56 For 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 HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Insertion Loss, Major States Only 0 -2 INSERTION LOSS (dB) -4 -6 -8 -10 -12 2.4 Normalized Loss, Major States Only 6 4 2 0 -2 -4 -6 2.4 NORMALIZED LOSS (dB) 5 PHASE SHIFTERS - CHIP 5 - 57 2.8 3.2 3.6 4 4.4 2.8 3.2 3.6 4 4.4 FREQUENCY (GHz) FREQUENCY (GHz) Input Return Loss, Major States Only 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 2.4 Phase Error, Major States Only 20 15 PHASE ERROR (degrees) 10 5 0 -5 -10 -15 -20 2.4 2.8 3.2 3.6 4 4.4 2.8 3.2 3.6 4 4.4 FREQUENCY (GHz) FREQUENCY (GHz) Output Return Loss, Major States Only 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 2.4 Relative Phase Shift Major States, Including All Bits 400 RELATIVE PHASE SHIFT (degrees) 350 300 250 200 150 100 50 0 2.4 2.8 3.2 3.6 4 4.4 2.8 3.2 3.6 4 4.4 FREQUENCY (GHz) FREQUENCY (GHz) For 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 HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Relative Phase Shift, RMS, Average, Max, All States 30 RELATIVE PHASE SHIFT (degrees) 25 20 15 10 5 0 -5 -10 2.9 MAX AVERAGE RMS Input IP3, Major States Only 60 55 50 IP3 (dBm) 45 40 35 30 2.9 5 PHASE SHIFTERS - CHIP 3.1 3.3 3.5 3.7 3.9 3.1 3.3 3.5 3.7 3.9 FREQUENCY (GHz) FREQUENCY (GHz) Input IP2, Major States Only 110 Input P1dB, Major States Only 40 35 30 25 20 15 10 2.9 100 P1dB (dBm) 3.1 3.3 3.5 3.7 3.9 IP2 (dBm) 90 80 70 60 2.9 3.1 3.3 3.5 3.7 3.9 FREQUENCY (GHz) FREQUENCY (GHz) RMS Phase Error vs. Temperature 10 RELATIVE PHASE SHIFT (degrees) Insertion Loss vs. Temperature, Major States Only 0 -2 5 INSERTION LOSS (dB) -4 -6 -8 -10 -12 2.9 0 -5 +25C +85C -40C -10 2.9 3.1 3.3 3.5 3.7 3.9 3.1 3.3 3.5 3.7 3.9 FREQUENCY (GHz) FREQUENCY (GHz) 5 - 58 For 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 HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Phase Error vs. State 10 3.1, 3.3, 3.5, 3.7, 3.9 GHz PHASE ERROR (degrees) 5 0 5 2.9 GHz -5 -10 -15 0 45 90 135 180 225 270 315 360 STATE (degrees) Absolute Maximum Ratings Input Power (RFIN) Bias Voltage Range (Vdd) Bias Voltage Range (Vss) Channel Temperature (Tc) Thermal Resistance (channel to die bottom) Storage Temperature Operating Temperature 27 dBm (T= +85 C) -0.2 to +12V +0.2 to -12V 150 C 120 C/W -65 to +150 C -55 to +85 C Bias Voltage & Current Vdd 5.0 Vss -5.0 Idd 5.2mA Iss 5.2mA Control Voltage State Low (0) High (1) Bias Condition 0 to 0.2 Vdc Vdd 0.2 Vdc @ 35 A Typ. ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Truth Table Control Voltage Input Bit 1 0 1 0 0 0 0 0 1 Bit 2 0 0 1 0 0 0 0 1 Bit 3 0 0 0 1 0 0 0 1 Bit 4 0 0 0 0 1 0 0 1 Bit 5 0 0 0 0 0 1 0 1 Bit 6 0 0 0 0 0 0 1 1 Phase Shift (Degrees) RFIN - RFOUT Reference* 5.625 11.25 22.5 45.0 90.0 180.0 354.375 Any combination of the above states will provide a phase shift approximately equal to the sum of the bits selected. *Reference corresponds to monotonic setting For 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 - 59 PHASE SHIFTERS - CHIP HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Outline Drawing 5 PHASE SHIFTERS - CHIP Die Packaging Information [1] Standard GP-1 Alternate [2] NOTES: 1. ALL DIMENSIONS IN INCHES (MILLIMETERS) 2. DIE THICKNESS IS 0.004 3. BACKSIDE METALLIZATION: GOLD 4. BACKSIDE METAL IS GROUND 5. BOND PADS METALLIZATION: GOLD 6. OVERALL DIE SIZE 0.002 [1] Refer to the "Packaging Information" section for die packaging dimensions. [2] For alternate packaging information contact Hittite Microwave Corporation. 5 - 60 For 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 HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Pad Descriptions Pad Number 1 Function RFIN Description This port is DC coupled and matched to 50 Ohms. Interface Schematic 2, 11 GND These pads and die bottom must be connected to RF/DC ground. 5 PHASE SHIFTERS - CHIP 5 - 61 3 Vdd BIT1, BIT2, BIT3, BIT4, BIT5. BIT6 Vss Supply voltage. 4 - 6, 8 - 10 Control Input. See truth table and control voltage tables. 7 Supply voltage. 12 RFOUT This port is DC coupled and matched to 50 Ohms. For 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 HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Assembly Diagram 5 PHASE SHIFTERS - CHIP Handling Precautions Follow these precautions to avoid permanent damage. Storage: All bare die are placed in either Waffle or Gel based ESD protective containers, and then sealed in an ESD protective bag for shipment. Once the sealed ESD protective bag has been opened, all die should be stored in a dry nitrogen environment. Cleanliness: Handle the chips in a clean environment. DO NOT attempt to clean the chip using liquid cleaning systems. Static Sensitivity: Follow ESD precautions to protect against > 250V ESD strikes. Transients: Suppress instrument and bias supply transients while bias is applied. Use shielded signal and bias cables to minimize inductive pick-up. General Handling: Handle the chip along the edges with a vacuum collet or with a sharp pair of bent tweezers. The surface of the chip has fragile air bridges and should not be touched with vacuum collet, tweezers, or fingers. Mounting The chip is back-metallized and can be die mounted with electrically conductive epoxy. The mounting surface should be clean and flat. Epoxy Die Attach: Apply a minimum amount of epoxy to the mounting surface so that a thin epoxy fillet is observed around the perimeter of the chip once it is placed into position. Cure epoxy per the manufacturer's schedule. Wire Bonding Ball or wedge bond with 0.025mm (1 mil) diameter pure gold wire. Thermosonic wirebonding with a nominal stage temperature of 150 deg. C and a ball bonding force of 40 to 50 grams or wedge bonding force of 18 to 22 grams is recommended. Use the minimum level of ultrasonic energy to achieve reliable wirebonds. Wirebonds should be started on the chip and terminated on the package or substrate. All bonds should be as short as possible <0.31mm (12 mils). 5 - 62 For 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 HMC648 v00.0607 GaAs MMIC 6-BIT DIGITAL PHASE SHIFTER, 2.9 - 3.9 GHz Notes 5 PHASE SHIFTERS - CHIP For 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 - 63 |
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