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3 v.41 Typical Applications The HMC642ALC is ideal for: EW Receivers Weather & Military Radar Satellite Communications Beamforming Modules Phase Cancellation Functional Diagram Features Low RMS Phase Error: 4. Low Insertion Loss: 7 db High Linearity: +3 dbm Positive Control Logic 36 Coverage, LSB = Lead xmm SMT Package: 2mm 2 General Description The HMC642ALC is a 6-bit digital phase shifter which is rated from 9 to 12. GHz, providing 36 degrees of phase coverage, with a LSB of.62 degrees. The HMC642ALC features very low RMS phase error of 4. degrees and extremely low insertion loss variation of ±.4 db across all phase states. This high accuracy phase shifter is controlled with positive control logic of /+V The HMC642ALC is housed in a compact x mm ceramic leadless SMT package and is internally matched to Ohms with no external components. Electrical Specifications T A = +2 C, Vss= V, Vdd= +V, control Voltage = / +V, Ohm System Parameter Min. Typ. Max. Units Frequency Range GHz Insertion Loss* 7 1 db Input Return Loss* 14 db Output Return Loss* 11 db Phase Error* ±1 +18/-1 deg RMS Phase Error 4. deg Insertion Loss Variation* ±.4 db Input Power for 1 db Compression 3 dbm Input Third Order Intercept 3 dbm Control Voltage Current <2 µa Bias Control Current <12 ma *Note: Major States Shown 1 For price, delivery and to place orders: Analog Devices, Inc., 2 Elizabeth Drive, Chelmsford, MA 1824 Phone: Fax: Order On-line at Application Support: Phone: or apps@hittite.com

4 v.41 Insertion Loss, Major States Only Normalized Loss, Major States Only 4 INSERTION LOSS (db) Input Return Loss, Major States Only RETURN LOSS (db) NORMALIZED LOSS (db) Phase Error, Major States Only PHASE ERROR (degrees) Output Return Loss, Major States Only Relative Phase Shift Major States Including All Bits 4 RETURN LOSS (db) RELATIVE PHASE SHIFT (degrees) For price, delivery and to place orders: Analog Devices, Inc., 2 Elizabeth Drive, Chelmsford, MA 1824 Phone: Fax: Order On-line at Application Support: Phone: or apps@hittite.com 2

5 v.41 Relative Phase Shift, RMS, Average, Max, All States 3 Input IP3, Major States Only RELATIVE PHASE SHIFT (degrees) Input IP2, Major States Only IP2 (dbm) RMS MAX AVERAGE IP3 (dbm) Input P1dB, Major States Only P1dB (dbm) RMS Phase Error vs. Temperature 2 Insertion Loss vs. Temperature, Major States Only RELATIVE PHASE SHIFT (degrees) C +8C -4C INSERTION LOSS (db) For price, delivery and to place orders: Analog Devices, Inc., 2 Elizabeth Drive, Chelmsford, MA 1824 Phone: Fax: Order On-line at Application Support: Phone: or apps@hittite.com

6 v.41 Phase Error vs. State 2 PHASE ERROR (degrees) 1 9., 1, 1., 11, 11., 12, 12. GHz 1 9 GHz STATE (degrees) Bias Voltage & Current Control Voltage Vdd Idd..6mA Vss Iss..6mA State Bias Condition Low () to.2 Vdc High (1) Vdd ±.2 3 µa Typ. Absolute Maximum Ratings Input Power (RFIN) Bias Voltage Range (Vdd) 29 dbm (T= +8 C) -.2 to +12.V Bias Voltage Range (Vss) +.2 to -12V Channel Temperature (Tc) 1 C Thermal Resistance (channel to ground paddle) 19 C/W Storage Temperature -6 to +1 C Operating Temperature -4 to +8 C ESD Sensitivity (HBM) Class1A Passed 2V ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Truth Table Control Voltage Input Phase Shift (Degrees) Bit 1 Bit 2 Bit 3 Bit 4 Bit Bit 6 RFIN - RFOUT Reference* 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: Analog Devices, Inc., 2 Elizabeth Drive, Chelmsford, MA 1824 Phone: Fax: Order On-line at Application Support: Phone: or apps@hittite.com 4

7 v.41 Outline Drawing Package Information NOTES: 1. PACKAGE BODY MATERIAL: ALUMINA 2. LEAD AND GROUND PADDLE PLATING: 3-8 MICROINCHES GOLD OVER MICROINCHES MINIMUM NICKEL. 3. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. PACKAGE WARP SHALL NOT EXCEED.mm DATUM -C- 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 7. CLASSIFIED AS MOISTURE SENSITIVITY LEVEL (MSL) 1. Part Number Package Body Material Lead Finish MSL Rating Package Marking [2] [1] H642A HMC642ALC Alumina White Gold over Nickel MSL3 XXXX [1] Max peak reflow temperature of 26 C [2] 4-Digit lot number XXXX Pin Descriptions Pin Number Function Description Interface Schematic 1-4, 8, N/C No connection required. These pins may be connected to RF/DC ground without affecting performance., 7, 18, 2 GND These pins and exposed ground paddle must be connected to RF/DC ground. 6 RFIN This port is DC coupled and matched to Ohms. 9-11, 13-1 BIT6, BIT, BIT4, BIT3, BIT2, BIT1 Control Input. See truth table and control voltage tables. 12 Vss Voltage supply. 16 Vdd Voltage supply. 19 RFOUT This port is DC coupled and matched to Ohms. For price, delivery and to place orders: Analog Devices, Inc., 2 Elizabeth Drive, Chelmsford, MA 1824 Phone: Fax: Order On-line at Application Support: Phone: or apps@hittite.com

8 v.41 Evaluation PCB Item J1 - J2 J3 - J4 U1 PCB [2] List of Materials for Evaluation PCB EV1HMC642ALC [1][3] Description PCB Mount SMA RF Connector Molex Header 2mm HMC642ALC 6-Bit Digital Phase Shifter Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 43 [3] Please refer to part s pin description and functional diagram for pin out assignments on evaluation board. The circuit board used in the final application should use RF circuit design techniques. Signal lines should have ohm impedance while the package ground leads and exposed paddle 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 board should be mounted to an appropriate heat sink. The evaluation circuit board shown is available from Hittite upon request. For price, delivery and to place orders: Analog Devices, Inc., 2 Elizabeth Drive, Chelmsford, MA 1824 Phone: Fax: Order On-line at Application Support: Phone: or apps@hittite.com 6