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| HMC277MS8 / 277MS8E v00.0906 GaAs MMIC SMT SINGLE BALANCED MIXER, 0.7 - 1.2 GHz Features Passive Topology LO / RF Isolation: 26 dB Input IP3: +21 dBm Low Conversion Loss: 9 dB RoHS Compliant MSOP-8 Package Typical Applications The HMC277MS8 / HMC277MS8E is ideal for: * Cellular / 3G Infrastructure * Basestations & Repeaters * GSM, CDMA & WCDMA 8 MIXERS - SMT * Subscribers & Portables Functional Diagram General Description The HMC277MS8 & HMC277MS8E are general purpose single balanced mixers in 8 lead plastic surface mount Mini Small Outline Packages (MSOP). This passive MMIC mixer is constructed of GaAs Schottky diodes and a novel planar transformer balun on the chip. The HMC277MS8(E) requires no external matching components, and is ideal for upconverter and downconverter applications.The RF port is balanced via the MMIC balun while the LO port is connected directly to the diodes. This product is pin for pin compatible with the HMC272MS8(E) which operates from 1.7 to 3.0 GHz. Electrical Specifications, TA = +25 C, LO = +13 dBm, IF = 100 MHz* Parameter Frequency Range, RF & LO Frequency Range, IF Conversion Loss Noise Figure (SSB) LO to RF Isolation LO to IF Isolation IP3 (Input) 1 dB Compression (Input) 20 8 17 9 Min. Typ. 0.7 - 1.2 DC - 0.3 9 9 26 12 21 12 10.5 10.5 Max. Units GHz GHz dB dB dB dB dBm dBm *Unless otherwise noted, all measurements performed as a downconverter with low side LO. 8 - 152 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 HMC277MS8 / 277MS8E v00.0906 GaAs MMIC SMT SINGLE BALANCED MIXER, 0.7 - 1.2 GHz Conversion Gain vs. Temperature @ LO = +13 dBm 0 Isolation @ LO = +13 dBm 0 -10 CONVERSION GAIN (dB) -5 ISOLATION (dB) -20 -30 -40 -50 -60 0.5 RF/IF LO/RF LO/IF -10 -15 +25 C +85 C -40 C 8 0.7 0.9 1.1 1.3 1.5 1.7 FREQUENCY (GHz) -20 0.5 0.7 0.9 1.1 1.3 1.5 1.7 FREQUENCY (GHz) Conversion Gain vs. LO Drive 0 Return Loss @ LO = +13 dBm 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 CONVERSION GAIN (dB) -5 -10 -15 -20 +7 dBm +9 dBm +11 dBm +13 dBm +15 dBm RF LO -25 0.5 0.7 0.9 1.1 1.3 1.5 1.7 0 0.5 1 1.5 2 2.5 FREQUENCY (GHz) FREQUENCY (GHz) IF Bandwidth & IF Return Loss @ LO = +13 dBm 0 P1dB vs. Temperature @ LO = +13 dBm 15 14 -5 RESPONSE (dB) Conversion Gain IF Return Loss 13 12 P1dB (dBm) 11 10 9 8 +25 C +85 C -40 C -10 -15 7 6 -20 0 0.1 0.2 0.3 0.4 0.5 0.6 IF FREQUENCY (GHz) 5 0.5 0.7 0.9 1.1 1.3 1.5 1.7 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 - 153 MIXERS - SMT HMC277MS8 / 277MS8E v00.0906 GaAs MMIC SMT SINGLE BALANCED MIXER, 0.7 - 1.2 GHz Input IP3 vs. Temperature @ LO = +13 dBm 25 THIRD ORDER INTERCEPT (dBm) 24 23 22 21 20 19 18 17 16 15 0.5 0.7 0.9 1.1 1.3 1.5 1.7 +25 C +85 C -40 C Input IP3 vs. LO Drive 25 THIRD ORDER INTERCEPT (dBm) 24 23 22 21 20 19 18 17 16 15 0.5 0.7 0.9 1.1 1.3 1.5 1.7 +11dBm +13dBm +15dBm 8 MIXERS - SMT FREQUENCY (GHz) FREQUENCY (GHz) Input IP2 vs. LO Drive SECOND ORDER INTERCEPT (dBm) 70 Input IP2 vs. Temperature @ LO = +13 dBm SECOND ORDER INTERCEPT (dBm) 70 +25 C +85 C -40 C 60 11 dBm 13 dBm 15 dBm 60 50 50 40 40 30 30 20 0.5 0.7 0.9 1.1 1.3 1.5 1.7 20 0.5 0.7 0.9 1.1 1.3 1.5 1.7 FREQUENCY (GHz) FREQUENCY (GHz) MxN Spurious Outputs nLO mRF 0 1 2 3 4 0 xx 19 44 69 95 1 -15 0 49 83 90 2 4 36 52 87 90 3 25 38 40 62 93 4 19 36 63 74 78 Harmonics of LO nLO Spur at RF Port LO Frequency (GHz) 0.5 0.7 0.9 1.1 1.3 1.5 1 31 26 26 29 31 27 2 19 14 14 20 25 29 3 56 46 49 48 49 58 4 35 40 40 39 39 42 RF = 0.96 GHz @ -5 dBm LO = 0.8 GHz @ +13 dBm All values in dBc relative to the IF LO = +13 dBm Values in dBc below input LO level measured at the RF port. 8 - 154 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 HMC277MS8 / 277MS8E v00.0906 GaAs MMIC SMT SINGLE BALANCED MIXER, 0.7 - 1.2 GHz Absolute Maximum Ratings RF / IF Input LO Drive Storage Temperature Operating Temperature ESD Sensitivity (HBM) +13 dBm +27 dBm -65 to +150 C -40 to +85 C Class 1A ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS 8 MIXERS - SMT NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 5. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND. Outline Drawing Package Information Part Number HMC277MS8 HMC277MS8E Package Body Material Low Stress Injection Molded Plastic RoHS-compliant Low Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Sn MSL Rating MSL1 MSL1 [1] Package Marking [3] H277 XXXX H277 XXXX [2] [1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 4-Digit lot number XXXX 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 - 155 HMC277MS8 / 277MS8E v00.0906 GaAs MMIC SMT SINGLE BALANCED MIXER, 0.7 - 1.2 GHz Pin Descriptions Pin Number Function Description Interface Schematic 1, 3, 5 GND This pin must be connected to RF ground. 8 MIXERS - SMT 2 LO This pin is AC coupled & matched to 50 Ohms from 0.7 to 1.2 GHz. 4, 7 N/C No connection required. These pins may be connected to RF/DC ground without affecting performance. This pin is DC coupled. For applications not requiring operation to DC this port should be DC blocked externally using a series capacitor. Choose value of capacitor to pass IF frequency desired. For operation to DC, this pin must not sink/source more than 40 mA of current or failure may result. 6 IF 8 RF This pin is DC coupled & matched to 50 Ohms from 0.7 to 1.2 GHz 8 - 156 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 HMC277MS8 / 277MS8E v00.0906 GaAs MMIC SMT SINGLE BALANCED MIXER, 0.7 - 1.2 GHz Evaluation Circuit Board 8 MIXERS - SMT List of Materials for Evaluation PCB 115791 [1] Item J1 - J3 U1 PCB [2] Description PCB Mount SMA RF Connector HMC277MS8 / HMC272MS8E Mixer 102643 Evaluation Board [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in the final 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 - 157 |
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