June/2004 MITSUBISHI SEMICONDUCTOR <GaAs FET> MGF4951A/MGF4952A SUPER LOW NOISE InGaAs HEMT (Leadless Ceramic Package) DESCRIPTION Outline Drawing The MGF4951A/MGF4952A super-low noise HEMT (High Electron Mobility Transistor) is designed for use in C to K band amplifiers. The lead-less ceramic package assures minimum parasitic losses. FEATURES Low noise figure @ f=12GHz MGF4951A : NFmin. = 0.40dB (Typ.) MGF4952A : NFmin. = 0.60dB (Typ.) Fig.1 High associated gain @ f=12GHz Gs = 12.0dB (Typ.) MITSUBISHI Proprietary APPLICATION Not to be reproduced or disclosed without permission by Mitsubishi Electric C to K band low noise amplifiers QUALITY GRADE GG RECOMMENDED BIAS CONDITIONS VDS=2V , ID=10mA ORDERING INFORMATION Tape & reel 3000pcs./reel Keep Safety first in your circuit designs! ABSOLUTE MAXIMUM RATINGS Symbol VGDO VGSO ID PT Tch Tstg Parameter Gate to drain voltage Gate to source voltage Drain current Total power dissipation Channel temperature Storage temperature ELECTRICAL CHARACTERISTICS Synbol V(BR)GDO IGSS IDSS VGS(off) gm Gs NFmin. Parameter (Ta=25°C ) Ratings Unit -4 -4 V V 60 mA 50 125 -65 to +125 mW °C °C Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable , but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury , fire or property damage. Remember to give due consideration to safety when making your circuit designs , with appropriate measure such as (I) placement of substitutive , auxiliary circuits , (ii) use of non-flammable material or (iii) prevention against any malfunction or mishap. (Ta=25°C ) Test conditions Limits Unit MIN. -3 TYP. -- MAX -- V VGS=-2V,VDS=0V VGS=0V,VDS=2V -15 --- 50 60 µA mA Transconductance VDS=2V,ID=500µA VDS=2V,ID=10mA -0.1 -- -70 -1.5 -- V mS Associated gain VDS=2V, 11.0 --- 12.0 0.40 0.60 -0.50 0.80 dB dB dB Gate to drain breakdown voltage IG=-10µA Gate to source leakage current Saturated drain current Gate to source cut-off voltage Minimum noise figure ID=10mA MGF4951A f=12GHz MGF4952A MITSUBISHI (1/5) June/2004 June/2004 MITSUBISHI SEMICONDUCTOR <GaAs FET> MGF4951A/MGF4952A SUPER LOW NOISE InGaAs HEMT (Leadless Ceramic Package) Fig.1 Unit : mm 1 Gate 2 Source 3 Drain MITSUBISHI (2/5) June/2004 June/2004 MITSUBISHI SEMICONDUCTOR <GaAs FET> MGF4951A/MGF4952A SUPER LOW NOISE InGaAs HEMT (Leadless Ceramic Package) TYPICAL CHARACTERISTICS (Ta=25°C) MITSUBISHI (3/5) June/2004 June/2004 MITSUBISHI SEMICONDUCTOR <GaAs FET> MGF4951A/MGF4952A SUPER LOW NOISE InGaAs HEMT (Leadless Ceramic Package) S PARAMETERS f (GHz) 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 26.0 (Ta=25°C,VDS=2V,ID=10mA) S11 Magn. 0.978 0.930 0.884 0.818 0.768 0.722 0.681 0.652 0.627 0.593 0.542 0.475 0.406 0.333 0.298 0.338 0.443 0.564 0.675 0.763 0.846 0.892 0.912 0.927 0.932 0.933 NOISE PARAMETERS f (GHz) 4.0 8.0 12.0 14.0 18.0 S21 Angle -14.5 -26.3 -43.8 -59.6 -71.1 -80.2 -88.9 -100.4 -17.3 -114.4 -123.2 -133.8 -148.6 -178.7 147.3 110.1 81.5 60.0 44.4 32.1 18.5 8.8 1.4 -4.8 -9.4 -14.0 Magn. 4.800 4.857 4.702 4.514 4.224 4.008 3.841 3.681 3.540 3.476 3.474 3.487 3.458 3.415 3.309 3.150 2.965 2.670 2.323 2.030 1.714 1.457 1.233 1.026 0.864 0.732 S12 Angle 163.6 152.8 133.4 119.5 108.2 98.9 89.8 45.6 66.6 57.5 47.7 37.0 25.5 7.5 -5.6 -20.1 -34.2 -48.8 -62.6 -74.2 -90.8 -101.1 -109.9 -118.4 -124.7 -130.2 Magn. 0.019 0.037 0.053 0.066 0.076 0.084 0.092 0.099 0.108 0.117 0.130 0.142 0.153 0.162 0.172 0.175 0.176 0.171 0.159 0.146 0.133 0.119 0.104 0.093 0.080 0.069 Angle 78.3 72.5 59.5 51.1 44.7 40.1 36.6 27.8 24.0 21.3 15.6 9.6 2.4 -11.0 -20.2 -30.0 -39.6 -50.4 -60.0 -69.4 -80.3 -86.8 -92.2 -95.3 -98.0 -100.6 S22 Magn. 0.525 0.513 0.491 0.458 0.449 0.444 0.439 0.440 0.444 0.442 0.418 0.380 0.326 0.234 0.132 0.068 0.169 0.301 0.431 0.537 0.612 0.684 0.749 0.796 0.843 0.881 Angle -13.5 -22.5 -37.6 -47.5 -54.6 -58.7 -61.2 -68.2 -70.2 -72.3 -76.0 -78.3 -82.4 -90.5 -83.7 -20.3 25.0 26.1 21.3 15.7 4.5 1.2 -2.5 -5.5 -7.1 -8.6 (Ta=25°C,VDS=2V,ID=10mA) Ganma-opt Magn. Angle 0.64 49.7 0.61 100.5 0.55 143.4 0.51 158.9 0.41 172.5 Rn (ohm) 0.21 0.12 0.04 0.03 0.06 NF (dB) 0.21 0.31 0.45 0.52 0.66 Note) Rn is normalized by 50-ohm Gate Source Reference Point Reference Point Drain Source MITSUBISHI (4/5) June/2004 June/2004 MITSUBISHI SEMICONDUCTOR <GaAs FET> MGF4951A/MGF4952A SUPER LOW NOISE InGaAs HEMT (Leadless Ceramic Package) Requests Regarding Safety Designs Mitsubishi Electric constantly strives to raise the level of its quality and reliability. Despite these concerted efforts, however, there will be occasions when our semiconductor products suffer breakdowns, malfunctions or other problems. In view of this reality, it is requested that every feasible precaution be taken in the pursuit of redundancy design, malfunction prevention design and other safety- related designs, to prevent breakdowns or malfunctions in our products from resulting in accidents involving people, fires, social losses or other problems, thereby upholding the highest levels of safety in the products when in use by customers. Matters of Importance when Using these Materials 1. These materials are designed as reference materials to ensure that all customers purchase Mitsubishi Electric semiconductors best suited to their specific use applications. Please be aware, however, that the technical information contained in these materials does not comprise consent for the execution or use of intellectual property rights or other rights owned by Mitsubishi Electric Corporation. 2. Mitsubishi Electric does not assume responsibility for damages resulting from the use of product data, graphs, charts, programs, algorithms or other applied circuit examples described in these materials, or for the infringement of the rights of third-party owners resulting from such use. 3. The data, graphs, charts, programs, algorithms and all other information described in these materials were current at the issue of these materials, with Mitsubishi Electric reserving the right to make any necessary updates or changes in the products or specifications in these materials without prior notice. Before purchasing Mitsubishi Electric semiconductor products, therefore, please obtain the latest available information from Mitsubishi Electric directly or an authorized dealer. 4. Every possible effort has been made to ensure that the information described in these materials is fully accurate. 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Accordingly these products have not been designed and manufactured with the purpose of application in machinery or systems that will be used under conditions that can affect human life, or in machinery or systems used in social infrastructure that demand a particularly high degree of reliability. When considering the use of the products described in these materials in transportation machinery (automobiles, trains, vessels), for objectives related to medical treatment, aerospace, nuclear power control, submarine repeaters or systems or other specialized applications, please consult with Mitsubishi Electric directly or an authorized dealer. 7. When considering use of products for purposes other than the specific applications described in these materials, please inquire at Mitsubishi Electric or an authorized dealer. 8. The prior consent of Mitsubishi Electric in writing is required for any reprinting or reproduction of these materials. 9. Please direct any inquiries regarding further details of these materials, or any other comments or matters of attention, to Mitsubishi Electric or an authorized dealer. MITSUBISHI (5/5) June/2004