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| HMC128G8 v02.1105 GaAs MMIC SMT DOUBLEBALANCED MIXER, 1.8 - 5 GHz Typical Applications The HMC128G8 is ideal for: * Base Station Features Conversion Loss: 10 dB LO to RF and IF Isolation: >30 dB High Third-Order Intercept: +18 dB 7 MIXERS - SMT * MMDS * WirelessLAN * Wireless Local Loop Functional Diagram General Description The HMC128G8 is a miniature double-balanced mixer in a hermetic surface mount package that can be used as an upconverter or downconverter. The device is a passive diode/balun type mixer with high dynamic range. Noise figure is essentially equal to the conversion loss. The mixer can handle larger signal levels than most active mixers due to the high third order intercept. MMIC implementation provides exceptional balance in the circuit resulting in high LO/RF and LO/ IF isolations. Electrical Specifications, TA = +25 C, LO Drive = +15 dBm Parameter Frequency Range, RF & LO Frequency Range, IF Conversion Loss Noise Figure (SSB) LO to RF Isolation LO to IF Isolation IP3 (Input) IP2 (Input) 1 dB Gain Compression (Input) 28 20 13 35 5 Min. Typ. 1.8 - 5.0 DC - 2 10 10 40 30 18 40 10 12 12 Max. Units GHz GHz dB dB dB dB dBm dBm dBm 7-2 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 HMC128G8 v02.1105 GaAs MMIC SMT DOUBLEBALANCED MIXER, 1.8 - 5 GHz Conversion Gain 0 CONVERSION GAIN (dB) Isolation 0 RF/IF -10 -5 ISOLATION (dB) LO= +15dBm -20 -30 LO/IF LO/RF -50 -60 7 0 1 2 3 4 5 6 -10 LO= +10dBm -15 -20 0 1 2 3 4 RF FREQUENCY (GHz) 5 6 FREQUENCY (GHz) Return Loss 0 Distortion and 1dB Compression vs. LO Drive Level Distortion LO Drive RF(f1) = 3.01 GHz RF(f2) = 3.00 GHz LO = 3.5 GHz RF Level = 0 dBm IP3 (dBm) 16 18 18 IP2 (dBm) 38 40 40 1 dB Compression P1dB (dBm) 8 10 10 RETURN LOSS (dB) -5 IF LO -15 RF (dBm) +10 +13 +15 -10 -20 0 1 2 3 4 FREQUENCY (GHz) 5 6 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 7-3 MIXERS - SMT -40 HMC128G8 v02.1105 GaAs MMIC SMT DOUBLEBALANCED MIXER, 1.8 - 5 GHz Absolute Maximum Ratings LO Drive Storage Temperature +27 dBm -65 to +150 C -55 to +125 C 7 MIXERS - SMT Operating Temperature ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing NOTES: 1. PACKAGE MATERIAL: ALUMINA LOADED BOROSILICATE GLASS. 2. LEAD, BASE, COVER MATERIAL: KOVARTM (#7052 CORNING). 3. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MIN., OVER ELECTROLYTIC NICKEL 50 MICROINCHES MIN. 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. TOLERANCES: .005 [0.13] UNLESS OTHERWISE SPECIFIED. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 7-4 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 HMC128G8 v02.1105 GaAs MMIC SMT DOUBLEBALANCED MIXER, 1.8 - 5 GHz Evaluation PCB 7 MIXERS - SMT List of Materials for Evaluation PCB 104882 Item J1 - J3 U1 PCB [2] Description PCB Mount SMA RF Connector HMC128G8 Mixer 104880 Evaluation Board [1] [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 7-5 |
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