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| MICROWAVE CORPORATION v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz Features Integrated LO Amplifier: -4 dBm Input Sub-Harmonically Pumped (x2) LO High 2LO/RF Isolation: 35 dB LM3 SMT Package Typical Applications The HMC264LM3 is ideal for: * 20 and 30 GHz Microwave Radios * Up and Down Converter for Point to Point Radios * LMDS and SATCOM Functional Diagram General Description The HMC264LM3 is a 20 - 30 GHz surface mount sub-harmonically pumped (x2) MMIC mixer with an integrated LO amplifier in a SMT leadless chip carrier package. The 2LO to RF isolation is an excellent 25 to 35 dB, eliminating the need for additional filtering. The LO amplifier is a single bias (+3V to +4V) two stage design with only -4 dBm drive requirement. All data is with the nonhermetic, epoxy sealed LM3 packaged device mounted in a 50 ohm test fixture. Utilizing the HMC264LM3 eliminates the need for wirebonding, thereby providing a consistent connection interface for the customer. 12 MIXERS - SMT Electrical Specifications, TA = +25 C, As a Function of LO Drive & Vdd Parameter IF = 1 GHz LO = -4 dBm & Vdd = +4V Min. Frequency Range, RF Frequency Range, LO Frequency Range, IF Conversion Loss Noise Figure (SSB) 2LO to RF Isolation 2LO to IF Isolation IP3 (Input) 1 dB Compression (Input) Supply Current (Idd) 20 30 5 -2 Typ. 20 - 30 10 - 15 DC - 4 9 9 35 40 12 +4 28 12 12 16 26 4 -1 Max. IF = 1 GHz LO = -4 dBm & Vdd = +3V Min. Typ. 21 - 30 10.5 - 15 DC - 4 9 9 30 38 10 +2 25 12 12 Max. GHz GHz GHz dB dB dB dB dBm dBm mA Units *Unless otherwise noted, all measurements performed as downconverter, IF= 1 GHz. 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 12 - 86 MICROWAVE CORPORATION v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz Conversion Gain vs. Temperature @ LO = -4 dBm, Vdd= +4V 0 Conversion Gain vs. Temperature @ LO = -4 dBm, Vdd= +3V 0 CONVERSION GAIN (dB) -10 CONVERSION GAIN (dB) -5 -5 -10 -15 +25C -40C +85C -15 +25C -40C +85C -20 -20 -25 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) -25 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) 12 MIXERS - SMT 12 - 87 Conversion Gain vs. LO Drive @ Vdd = +4V 0 -4 dBm Conversion Gain vs. LO Drive @ Vdd = +3V 0 -4 dBm CONVERSION GAIN (dB) CONVERSION GAIN (dB) -5 -2 dBm -5 0 dBm -10 -10 -2 dBm -15 -8 dBm -6 dBm 0 dBm -15 -6 dBm -8 dBm -20 -20 -25 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) -25 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) Isolation @ LO = -4 dBm, Vdd = +4V 10 0 -10 LO/IF LO/RF RF/IF Isolation @ LO = -4 dBm, Vdd = +3V 10 0 -10 LO/IF LO/RF RF/IF ISOLATION (dB) -20 -30 -40 -50 -60 -70 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) 2LO/RF 2LO/IF ISOLATION (dB) -20 -30 -40 -50 2LO/IF 2LO/RF -60 -70 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) 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 v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz Input IP3 vs. LO Drive @ Vdd = +4V * 30 25 Input IP3 vs. LO Drive @ Vdd = +3V * 30 25 INPUT IP3 (dBm) 15 10 5 -4 dBm 0 -6 dBm INPUT IP3 (dBm) 20 -2 dBm -2 dBm 20 15 10 5 0 -6 dBm -5 -4 dBm 12 MIXERS - SMT -5 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) Input IP2 vs. LO Drive @ Vdd = +4V * 70 -6 dBm 60 Input IP2 vs. LO Drive @ Vdd = +3V * 80 -6 dBm 70 60 50 40 30 20 -4 dBm 10 0 -2 dBm INPUT IP2 (dBm) 40 30 -2 dBm 20 -4 dBm 10 0 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) INPUT IP2 (dBm) 50 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) Input P1dB @ LO = -4 dBm, Vdd = +4V 7 6 5 Input P1dB @ LO = -4 dBm, Vdd = +3V 7 6 5 INPUT P1dB (dBm) 4 3 2 1 0 -1 -2 -3 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) INPUT P1dB (dBm) 4 3 2 1 0 -1 -2 -3 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) * Two-tone input power = -10 dBm each tone, 1 MHz spacing. 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 12 - 88 MICROWAVE CORPORATION v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz Upconverter Performance Conversion Gain, LO = -4 dBm Vdd = +4V 0 Vdd = +3V Vdd = +4V IF Bandwidth @ LO = -4 dBm 0 CONVERSION GAIN (dB) -10 CONVERSION GAIN (dB) -5 -5 -10 -15 -15 -20 -20 Vdd = +3V Vdd = +4V -25 18 20 22 24 26 28 30 32 34 RF FREQUENCY (GHz) -25 0 1 2 3 4 5 6 7 8 9 10 IF FREQUENCY (GHz) 12 MIXERS - SMT RF & LO Return Loss @ LO = -4 dBm, Vdd = +4V 0 IF Return Loss @ LO = -4 dBm, Vdd = +4V 0 -5 -5 RETURN LOSS (dB) -10 RETURN LOSS (dB) RF LO -10 -15 -15 -20 -20 -25 0 5 10 15 20 25 30 35 IF FREQUENCY (GHz) -25 0 1 2 3 4 5 6 7 8 9 10 IF FREQUENCY (GHz) MxN Spurious Outputs @ LO = -4 dBm, Vdd = +4V nLO mRF -3 5 4 3 2 1 0 Absolute Maximum Ratings RF / IF Input (Vdd = +5V) LO Drive (Vdd = +5V) Vdd +13 dBm +13 dBm 5.5V 227 mW -65 to +150 C -40 to +85 C -2 -1 0 1 2 3 34.8 61.8 26.1 32.6 14.1 X 49.0 78.8 81.3 48.1 -26.9 33.8 12.3 Operating Temperature Continuous Pdiss (Ta = 85 C) (derate 2.52 mW/C above 85 C) Storage Temperature RF = 30 GHz @ -10 dBm LO = 13.5 GHz @ -4 dBm All values in dBc below IF power level. 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 12 - 89 MICROWAVE CORPORATION v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz Outline Drawing 12 MIXERS - SMT NOTES: 1. MATERIAL: PLASTIC 2. PLATING: GOLD OVER NICKEL 3. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 4. ALL TOLERANCES ARE 0.005 [ 0.13]. 5. ALL GROUNDS MUST BE SOLDERED TO PCB RF GROUND. 6. * INDICATES PIN 1 Pin Descriptions Pin Number 1, 2 3 Function N/C Vdd Description This pin may be connected to the housing ground or left unconnected. Power supply for the LO Amplifier. An external RF bypass capacitor of 100 - 330 pF is required as close to the package as possible. RF Port. This pin is AC coupled an matched to 50 Ohm from 20 - 30 GHz. Interface Schematic 4 RF 5 IF IF Port. This pin is DC coupled and should be DC blocked externally using a series capacitor whose value has been chosen to pass the necessary IF frequency range. Any applied DC voltage to this pin will result in die non-function and possible die failure. 6 LO LO Port. This pin is AC coupled and matched to 50 Ohm from 10 - 15 GHz. 7 GND Must be soldered to PCB RF ground. 12 - 90 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 v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz Evaluation PCB 12 MIXERS - SMT 12 - 91 The grounded Co-Planar Wave Guide (CPWG) PCB input/output transitions allow use of Ground-Signal-Ground (GSG) probes for testing. Suggested probe pitch is 400mm (16 mils). Alternatively, the board can be mounted in a metal housing with 2.4 mm coaxial connectors. Evaluation Circuit Board Layout Design Details Layout Technique Material Dielectric Thickness Microstrip Line Width CPWG Line Width CPWG Line to GND Gap Ground to Via Hole Diameter C1 Micro Strip to CPWG Rogers 4003 with 1/2 oz. Cu 0.008" (0.20 mm) 0.018" (0.46 mm) 0.016" (0.41 mm) 0.005" (0.13 mm) 0.008" (0.20 mm) 100 pF Capacitor, 0402 Pkg. LM3 package mounted to evaluation PCB 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 v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz Suggested LM3-01 PCB Land Pattern Tolerance: 0.003" ( 0.08 mm) 12 MIXERS - SMT 12 - 92 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 v01.1201 HMC264LM3 GaAs MMIC SUB-HARMONIC SMT MIXER, 20 - 30 GHz HMC264LM3 Recommended SMT Attachment Technique Preparation & Handling of the LM3 Millimeterwave Package for Surface Mounting The HMC LM3 package was designed to be compatible with high volume surface mount PCB assembly processes. The LM3 package requires a specific mounting pattern to allow proper mechanical attachment and to optimize electrical performance at millimeterwave frequencies. This PCB layout pattern can be found on each LM3 product data sheet. It can also be provided as an electronic drawing upon request from Hittite Sales & Application Engineering. Follow these precautions to avoid permanent damage: Cleanliness: Observe proper handling procedures to ensure clean devices and PCBs. LM3 devices should remain in their original packaging until component placement to ensure no contamination or damage to RF, DC & ground contact areas. 225 200 TEMPERATURE ( C) 175 150 125 100 75 50 25 0 1 2 3 4 5 TIME (min) 6 7 8 0 12 MIXERS - SMT 12 - 93 Static Sensitivity: Follow ESD precautions to protect against ESD strikes. General Handling: Handle the LM3 package on the top with a vacuum collet or along the edges with a sharp pair of bent tweezers. Avoiding damaging the RF, DC, & ground contacts on the package bottom. Do not apply excess pressure to the top of the lid. Solder Materials & Temperature Profile: Follow the information contained in the application note. Hand soldering is not recommended. Conductive epoxy attachment is not recommended. Solder Paste Solder paste should be selected based on the user's experience and be compatible with the metallization systems used. See the LM3 data sheet Outline drawing for pin & ground contact metallization schemes. Solder Paste Application Solder paste is generally applied to the PCB using either a stencil printer or dot placement. The volume of solder paste will be dependent on PCB and component layout and should be controlled to ensure consistent mechanical & electrical performance. Excess solder may create unwanted electrical parasitics at high frequencies. Solder Reflow The soldering process is usually accomplished in a reflow oven but may also use a vapor phase process. A solder reflow profile is suggested above. Prior to reflowing product, temperature profiles should be measured using the same mass as the actual assemblies. The thermocouple should be moved to various positions on the board to account for edge and corner effects and varying component masses. The final profile should be determined by mounting the thermocouple to the PCB at the location of the device. Follow solder paste and oven vendor's recommendations when developing a solder reflow profile. A standard profile will have a steady ramp up from room temperature to the pre-heat temperature to avoid damage due to thermal shock. Allow enough time between reaching pre-heat temperature and reflow for the solvent in the paste to evaporate and the flux to completely activate. Reflow must then occur prior to the flux being completely driven off. The duration of peak reflow temperature should not exceed 15 seconds. Packages have been qualified to withstand a peak temperature of 235C for 15 seconds. Verify that the profile will not expose device to temperatures in excess of 235C. Cleaning A water-based flux wash may be used. 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 |
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