HMC329LM3_08

HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz Typical Applications The HMC329LM3 is ideal for: • Point-to-Point Radios • Point-to-Multi-Point Radios • SATCOM Features Passive: No DC Bias Required Input IP3: +19 dBm LO/RF Isolation: 35 dB Leadless SMT Package, 25 mm2 9 MIXERS - DBL-BAL - SMT • RADAR Functional Diagram General Description The HMC329LM3 is a 26 - 40 GHz surface mount, passive, double-balanced MMIC mixer in a SMT leadless chip carrier package. The mixer can be used as a downconverter or upconverter. Excellent isolations are provided by on-chip baluns. The chip requires no external components and no DC bias. All data is with the non-hermetic, epoxy sealed LM3 package mounted in a 50 Ohm test fixture. Utilizing the HMC329LM3 eliminates the need for wirebonding, thereby providing a consistent connection interface for the customer. Electrical Specifi cations, TA = +25° C LO = +13 dBm, IF = 1 GHz Parameter Min. Frequency Range, RF & LO Frequency Range, IF Conversion Loss Noise Figure (SSB) LO to RF Isolation LO to IF Isolation RF to IF Isolation IP3 (Input) IP2 (Input) 1 dB Compression (Input) 30 29 23 16 45 9 Typ. 26 - 32 DC - 8 8 8 37 35 28 19 55 11 10 10 27 24 21 16 46 7 Max. Min. Typ. 32 - 40 DC - 8 9 9 32 30 26 20 56 10 11 11 Max. GHz GHz dB dB dB dB dB dBm dBm dBm LO = +13 dBm, IF = 1 GHz Units * Unless otherwise noted, all measurements performed as downconverter, IF= 1 GHz. 9 - 178 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 HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz Isolation vs. Frequency @ LO +13 dBm 0 Conversion Gain vs. Temperature @ LO = +13 dBm 0 CONVERSION GAIN (dB) -4 ISOLATION (dB) -10 RF/IF LO/RF LO/IF -8 -20 -12 + 25 C + 85 C - 40 C -30 9 24 26 28 30 32 34 36 FREQUENCY (GHz) 38 40 42 -16 -40 -20 24 27 30 33 36 FREQUENCY (GHz) 39 42 -50 Conversion Gain vs. LO Drive 0 + 9 dBm + 11 dBm + 13 dBm + 15 dBm Upconverter Performance vs. LO Drive 0 -8 CONVERSION GAIN (dB) -4 -4 -8 -12 -12 -16 -16 + 9 dBm + 11 dBm + 13 dBm + 15 dBm -20 24 27 30 33 36 FREQUENCY (GHz) 39 42 -20 24 27 30 33 36 39 42 FREQUENCY (GHz) IF Bandwidth and IF Return Loss @ LO = +13 dBm 0 LO and RF Return Loss @ LO = +13 dBm 0 -4 RESPONSE (dB) RETURN LOSS (dB) -4 RF RETURN LOSS LO RETURN LOSS -8 -8 -12 CONVERSION GAIN IF RETURN LOSS -12 -16 -16 -20 0 2 4 6 8 FREQUENCY (GHz) 10 12 -20 24 27 30 33 36 39 42 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 9 - 179 MIXERS - DBL-BAL - SMT CONVERSION GAIN (dB) HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz Input IP3 vs. Temperature @ LO = +13 dBm 25 Input IP3 vs. LO Drive* 25 20 20 IP3 (dBm) 15 IP3 (dBm) 15 + 25 C + 85 C - 40 C 9 MIXERS - DBL-BAL - SMT 10 + 11 dBm + 13 dBm + 15 dBm 10 5 5 0 26 28 30 32 34 36 38 40 FREQUENCY (GHz) 0 26 28 30 32 34 36 38 40 FREQUENCY (GHz) Input IP2 vs. LO Drive* 70 65 60 IP2 (dBm) 55 50 45 40 26 28 30 32 34 36 38 40 FREQUENCY (GHz) + 11 dBm + 13 dBm + 15 dBm Input IP2 vs. Temperature @ LO = +13 dBm 70 65 60 IP2 (dBm) 55 50 45 40 26 28 30 32 34 36 38 40 FREQUENCY (GHz) + 25 C + 85 C - 40 C Input P1dB vs. Temperature @ LO = +13 dBm 15 MxN Spurious Outputs as a Down Converter nLO mRF 0 xx 19 1 7 0 69 41 57 74 67 69 74 71 74 2 3 4 13 P1dB (dBm) 0 1 2 11 9 + 25 C + 85 C - 40 C 3 4 7 5 26 28 30 32 34 36 38 40 FREQUENCY (GHz) RF = 31 GHz @ -10 dBm LO = 32 GHz @ +13 dBm All values in dBc below IF output power level. * Two-tone input power = -5 dBm each tone, 1 MHz spacing. 9 - 180 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 HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz Absolute Maximum Ratings RF / IF Input LO Drive IF DC Current Storage Temperature Operating Temperature ESD Sensitivity (HBM) +13 dBm +27 dBm ±2 mA -65 to +150 °C -40 to +85 °C Class 1B 9 MIXERS - DBL-BAL - SMT 9 - 181 ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing NOTES: 1. MATERIAL: PLASTIC 2. PLATING: GOLD OVER NICKEL 3. ALL DIMENSIONS 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 • 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 HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz Pin Descriptions Pin Number 1, 2, 3 Function N/C Description This pin may be connected to the PCB ground or left unconnected. Interface Schematic 9 MIXERS - DBL-BAL - SMT 4 RF This pin is DC coupled and matched to 50 Ohm from 25 to 40 GHz. 5 IF This pin is DC coupled. For applications not requiring operation to DC, this port should be DC blocked externally using a series capacitor whose value has been chosen to pass the necessary IF frequency range. For operation to DC, this pin must not source or sink more than 2 mA of current or part non-function and possible part failure will result. 6 LO This pin is DC coupled and matched to 50 Ohm from 25 to 40 GHz. GND Package base must be soldered to PCB RF ground. 9 - 182 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 HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz Evaluation PCB 9 MIXERS - DBL-BAL - SMT 9 - 183 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 400 mm (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 Via Hole Diameter 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) LM3 package mounted to evaluation PCB 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 HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz Suggested LM3 PCB Land Pattern 9 MIXERS - DBL-BAL - SMT NOTES: 1. DIMENSIONS ARE IN INCHES [MILLIMETERS] 2. PAD WIDTH SHOWN IS FOR SOLDERING ONLY. BEYOND SOLDERING AREA ALL CONDUCTORS THAT CARRY RF AND MICROWAVE SIGNALS SHOULD HAVE 50 OHM CHARACTERISTIC IMPEDANCE. 9 - 184 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 HMC329LM3 v01.0505 GaAs MMIC DOUBLE-BALANCED SMT MIXER, 26 - 40 GHz 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: 225 200 TEMPERATURE ( C) 175 150 125 100 75 50 25 0 9 8 Cleanliness: Observe proper handling procedures to ensure clean 0 1 2 3 4 5 6 7 TIME (min) 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. 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 235°C for 15 seconds. Verify that the profile will not expose device to temperatures in excess of 235°C. Cleaning: A water-based flux wash may be used. 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 9 - 185 MIXERS - DBL-BAL - SMT