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| HMC557LC4 v00.0907 GaAs MMIC FUNDAMENTAL MIXER, 2.5 - 7.0 GHz Typical Applications The HMC557LC4 is ideal for: * WiMAX & Fixed Wireless * Point-to-Point Radios * Point-to-Mulit-Point Radios Features Passive Double Balanced Topology Wide IF Bandwidth: DC - 3 GHz High LO/RF Isolation: 48 dB Low Conversion Loss: 7 dB 24 Lead Ceramic 4x4mm SMT Package: 16mm2 8 MIXERS - SMT * Test Equipment & Sensors * Military End-Use Functional Diagram General Description The HMC557LC4 is a general purpose double balanced mixer in a leadless RoHS compliant SMT package that can be used as an upconverter or downconverter between 2.5 and 7 GHz. This mixer is fabricated in a GaAs MESFET process, and requires no external components or matching circuitry. The HMC557LC4 provides excellent LO to RF and LO to IF isolation due to optimized balun structures and operates with LO drive levels as low as +9 dBm. The RoHS compliant HMC557LC4 eliminates the need for wire bonding, and is compatible with high volume surface mount manufacturing techniques. Electrical Specifi cations, TA = +25 C, IF= 100 MHz, LO= +15 dBm* Parameter 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 Gain Compression (Input) 40 26 12 Min. Typ. 2.5 - 5.0 DC - 3 7 7 48 32 18 17 50 10 9.5 9.5 40 25 20 Max. Min. Typ. 5.0 - 7.0 DC - 3 8.5 8.5 48 30 25 22 50 13 10.5 10.5 Max. Units GHz GHz dB dB dB dB dB dBm dBm dBm *Unless otherwise noted, all measurements performed as downconverter, IF= 100 MHz. 8 - 352 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 HMC557LC4 v00.0907 GaAs MMIC FUNDAMENTAL MIXER, 2.5 - 7.0 GHz Conversion Gain vs. Temperature @ LO = +15 dBm 0 Isolation @ LO = +15 dBm 0 -10 RF/IF LO/RF LO/IF CONVERSION GAIN (dB) -5 ISOLATION (dB) -20 -30 -40 -50 -60 2 3 4 5 6 7 8 9 2 3 4 5 6 -10 -15 +25C +85C -40C 8 7 8 9 FREQUENCY (GHz) -20 FREQUENCY (GHz) Conversion Gain vs. LO Drive 0 Return Loss @ LO = +15 dBm 0 -5 CONVERSION GAIN (dB) RETURN LOSS (dB) -5 -10 -15 -20 -25 -30 -35 RF LO -10 -15 +9 dBm +12 dBm +15 dBm +17 dBm -20 2 3 4 5 6 7 8 9 FREQUENCY (GHz) 2 3 4 5 6 7 8 9 FREQUENCY (GHz) IF Bandwidth @ LO = +15 dBm 0 -5 Upconverter Performance Conversion Gain vs. LO Drive 0 CONVERSION GAIN (dB) RESPONSE (dB) -10 -15 -20 -25 -30 -35 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) IF Return Loss Conversion Gain -5 -10 -15 +9 dBm +12 dBm +15 dBm +17 dBm -20 2 3 4 5 6 7 8 9 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 8 - 353 MIXERS - SMT HMC557LC4 v00.0907 GaAs MMIC FUNDAMENTAL MIXER, 2.5 - 7.0 GHz Input IP3 vs. Temperature @ LO = +15 dBm * 30 25 20 IP3 (dBm) 15 10 5 0 2 3 4 5 6 7 8 9 2 3 4 5 6 7 8 9 FREQUENCY (GHz) FREQUENCY (GHz) +25C +85C -40C Input IP3 vs. LO Drive * 30 25 20 IP3 (dBm) 15 10 5 8 MIXERS - SMT +9 dBm +12 dBm +15 dBm +17 dBm 0 Input IP2 vs. LO Drive * 70 60 50 IP2 (dBm) 40 30 20 10 0 2 3 4 5 6 7 8 9 FREQUENCY (GHz) +9 dBm +12 dBm +15 dBm +17 dBm Input IP2 vs. Temperature @ LO = +15 dBm * 70 60 50 IP2 (dBm) 40 30 20 10 0 2 3 4 5 6 7 8 9 FREQUENCY (GHz) +25C +85C -40C Input P1dB vs. Temperature @ LO = +15 dBm 16 MxN Spurious Outputs nLO mRF 0 xx 17 77 77 77 1 -1 0 57 77 77 2 28 37 69 77 77 3 25 40 56 74 77 4 52 69 77 77 77 14 P1dB (dBm) 0 1 2 12 10 +25C +85C -40C 3 4 8 RF = 5.1 GHz @ -10 dBm LO = 5 GHz @ +15 dBm All values in dBc below the IF output power level. 7 8 9 6 2 3 4 5 6 FREQUENCY (GHz) * Two-tone input power = -10 dBm each tone, 1 MHz spacing. 8 - 354 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 HMC557LC4 v00.0907 GaAs MMIC FUNDAMENTAL MIXER, 2.5 - 7.0 GHz Absolute Maximum Ratings RF / IF Input LO Drive Channel Temperature Continuous Pdiss (T = 85 C) (derate 5.2 mW/C above 85 C) Thermal Resistance (channel to ground paddle) Storage Temperature Operating Temperature +25 dBm +25 dBm 150 C 339 mW 192 C/W -65 to +150 C -40 to +85 C 8 MIXERS - SMT 8 - 355 ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing NOTES: 1. PACKAGE BODY MATERIAL: ALUMINA. 2. LEAD AND GROUND PADDLE PLATING: 30-80 MICROINCHES GOLD OVER 50 MICROINCHES MINIMUM NICKEL. 3. DIMENSIONS ARE IN INCHES (MILLIMETERS). 4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. 5. CHARACTERS TO BE HELVETICA MEDIUM, .025 HIGH, BLACK INK, OR LASER MARK LOCATED APPROX. AS SHOWN. 6. PACKAGE WARP SHALL NOT EXCEED 0.05MM DATUM - C - 7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 8. CLASSIFIED AS MOISTURE SENSITIVITY LEVEL (MSL) 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 HMC557LC4 v00.0907 GaAs MMIC FUNDAMENTAL MIXER, 2.5 - 7.0 GHz Pin Descriptions Pin Number 1, 5 - 7, 11 - 14, 18 - 24 Function Description No connection required. These pins may be connected to RF/DC ground without affecting performance. Interface Schematic N/C 8 MIXERS - SMT 2, 4, 8, 10, 15, 17 GND Package bottom must also be connected to RF/DC ground. 3 LO This pin is AC coupled and matched to 50 Ohms. 9 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. 16 RF This pin is AC coupled and matched to 50 Ohms. 8 - 356 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 HMC557LC4 v00.0907 GaAs MMIC FUNDAMENTAL MIXER, 2.5 - 7.0 GHz Evaluation PCB 8 MIXERS - SMT List of Materials for Evaluation PCB 118704 [1] Item J1 - J2 J3 U1 PCB [2] Description SRI SMA Connector Johnson SMA Connector HMC557LC4 Mixer 118703 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in this application should use RF circuit design techniques. Signal lines should have 50 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 circuit board shown is available from Hittite upon request. 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 8 - 357 |
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