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| 2SC4791 Silicon NPN Epitaxial Application VHF / UHF wide band amplifier Features * High gain bandwidth product fT = 10 GHz Typ. * High gain, low noise figure PG = 15.5 dB Typ, NF = 1.2 dB Typ at f = 900 MHz Outline 2SC4791 Absolute Maximum Ratings (Ta = 25C) Item Collector to base voltage Collector to emitter voltage Emitter to base voltage Collector current Collector power dissipation Junction temperature Storage temperature Symbol VCBO VCEO VEBO IC PC Tj Tstg Ratings 15 8 1.5 20 150 150 -55 to +150 Unit V V V mA mW C C Electrical Characteristics (Ta = 25C) Item Collector cutoff current Symbol I CBO I CEO Emitter cutoff current DC current transfer ratio Collector output capacitance Gain bandwidth product Power gain Noise figure Note: Marking is "YA-". I EBO hFE Cob fT PG NF Min -- -- -- 50 -- 7.0 12.5 -- Typ -- -- -- 120 0.4 10.0 15.5 1.2 Max 10 1 10 250 0.75 -- -- 2.5 pF GHz dB dB Unit A mA A Test conditions VCB = 15 V, IE = 0 VCE = 8 V, RBE = VEB = 1.5 V, IC = 0 VCE = 5 V, IC = 10 mA VCB = 5 V, IE = 0, f = 1 MHz VCE = 5 V, IC = 10 mA VCE = 5 V, IC = 10 mA, f = 900 MHz VCE = 5 V, IC = 5 mA, f = 900 MHz Attention: This is electrostatic sensitive device. 2 2SC4791 3 2SC4791 4 2SC4791 5 2SC4791 6 2SC4791 S Parameter (VCE = 5 V, IC = 5 mA, ZO = 50 , Emitter Common) Freq. (MHz) 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 S11 MAG. 0.859 0.790 0.700 0.618 0.543 0.477 0.421 0.369 0.331 0.287 0.226 0.220 0.200 0.179 0.159 0.142 0.126 0.117 0.109 0.102 ANG. -15.9 -30.6 -44.0 -54.8 -64.7 -73.3 -80.1 -86.3 -92.8 -99.4 -104.8 -110.7 -110.7 -125.0 -131.7 -138.0 -147.6 -154.1 -166.9 179.8 S21 MAG. 13.192 12.225 10.967 9.802 8.686 7.761 6.955 6.316 5.748 5.275 4.869 4.498 4.169 3.926 3.698 3.493 3.311 3.143 3.008 2.864 ANG. 165.5 151.9 139.9 130.2 122.4 116.0 110.2 105.5 101.0 97.6 94.1 90.6 88.2 85.4 83.0 80.5 78.1 76.1 74.0 71.9 S12 MAG. 0.016 0.031 0.043 0.053 0.061 0.068 0.074 0.080 0.086 0.091 0.097 0.102 0.107 0.113 0.119 0.125 0.130 0.136 0.142 0.147 ANG. 82.3 73.9 68.2 64.0 61.4 59.8 58.9 58.7 58.1 57.9 57.9 58.1 58.4 58.2 58.2 58.4 58.5 58.2 58.0 57.9 S22 MAG. 0.974 0.914 0.841 0.771 0.710 0.660 0.619 0.584 0.557 0.535 0.517 0.502 0.492 0.479 0.471 0.463 0.456 0.450 0.445 0.440 ANG. -9.3 -17.5 -24.2 -29.2 -32.5 -34.8 -36.7 -38.2 -39.3 -40.3 -41.2 -42.1 -43.1 -44.2 -44.9 -46.0 -47.2 -48.2 -49.3 -50.4 7 2SC4791 S Parameter (VCE = 5 V, IC = 10 mA, ZO = 50 , Emitter Common) Freq. (MHz) 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 S11 MAG. 0.758 0.650 0.538 0.445 0.383 0.320 0.274 0.230 0.205 0.174 0.154 0.131 0.118 0.108 0.104 0.093 0.095 0.094 0.094 0.101 ANG. -22.4 -41.5 -57.1 -69.1 -79.6 -87.8 -95.4 -102.4 -109.8 -116.9 -125.9 -135.1 -142.7 -154.7 -165.2 -178.6 169.4 158.4 148.2 136.0 S21 MAG. 19.871 17.252 14.423 12.168 10.376 8.995 7.914 7.057 6.332 5.778 5.291 4.862 4.508 4.226 3.961 3.718 3.532 3.347 3.190 3.036 ANG. 159.8 142.4 129.0 119.4 112.2 106.7 101.8 97.8 93.9 91.0 88.1 85.4 82.9 80.8 78.7 76.4 74.3 72.4 70.5 68.6 S12 MAG. 0.015 0.028 0.037 0.045 0.052 0.058 0.065 0.071 0.076 0.083 0.089 0.096 0.102 0.109 0.116 0.122 0.129 0.135 0.142 0.148 ANG. 78.6 71.0 66.8 64.3 63.3 63.4 63.7 64.0 64.4 64.5 64.6 64.7 64.6 64.5 64.3 64.1 64.0 63.4 63.2 63.0 S22 MAG. 0.942 0.842 0.739 0.659 0.600 0.577 0.524 0.499 0.480 0.466 0.454 0.444 0.438 0.431 0.426 0.420 0.417 0.413 0.409 0.406 ANG. -12.6 -22.5 -28.5 -32.0 -33.7 -34.9 -35.4 -36.3 -36.7 -37.4 -38.0 -38.7 -39.4 -40.4 -41.4 -42.4 -43.6 -44.8 -46.0 -47.3 8 2SC4791 S Parameter (VCE = 1 V, IC = 0.5 mA, ZO = 50 , Emitter Common) Freq. (MHz) 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 S11 MAG. 0.983 0.976 0.961 0.938 0.920 0.903 0.868 0.836 0.819 0.780 0.749 0.713 0.687 0.659 0.629 0.601 0.578 0.656 0.532 0.508 ANG. -6.6 -13.1 -19.6 -26.2 -32.5 -38.6 -44.6 -50.4 -56.1 -61.6 -66.9 -71.7 -77.0 -82.2 -86.9 -91.2 -96.7 -101.0 -106.3 -111.4 S21 MAG. 1.757 1.723 1.741 1.734 1.666 1.629 1.584 1.564 1.520 1.484 1.434 1.369 1.322 1.317 1.282 1.248 1.215 1.187 1.155 1.124 ANG. 174.0 167.3 160.2 154.0 147.6 142.6 136.2 130.6 125.3 120.3 115.3 110.4 107.2 102.3 98.5 94.6 91.0 87.5 84.4 81.0 S12 MAG. 0.023 0.047 0.071 0.093 0.093 0.133 0.151 0.166 0.180 0.193 0.204 0.213 0.221 0.229 0.234 0.239 0.243 0.248 0.249 0.251 ANG. 85.8 80.7 76.4 71.9 67.6 63.4 59.9 56.2 52.8 49.5 46.7 44.0 41.4 38.9 36.7 34.6 32.4 30.4 28.9 27.3 S22 MAG. 0.995 0.990 0.980 0.966 0.950 0.932 0.913 0.891 0.869 0.849 0.828 0.810 0.794 0.774 0.757 0.741 0.726 0.713 0.699 0.686 ANG. -4.1 -8.2 -12.3 -16.4 -20.1 -23.9 -27.3 -30.6 -33.8 -36.8 -39.6 -42.1 -44.8 -47.3 -49.7 -51.9 -54.2 -56.3 -58.4 -60.5 9 2SC4791 S Parameter (VCE = 1 V, IC = 1 mA, ZO = 50 , Emitter Common) Freq. (MHz) 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 S11 MAG. 0.969 0.953 0.927 0.896 0.860 0.820 0.778 0.731 0.703 0.657 0.617 0.575 0.549 0.516 0.485 0.456 0.429 0.412 0.389 0.368 ANG. -8.3 -16.4 -25.1 -33.0 -40.5 -47.7 -54.5 -61.1 -67.5 -73.8 -79.8 -84.8 -89.8 -96.2 -101.5 -106.7 -111.9 -115.9 -122.6 -128.0 S21 MAG. 3.406 3.337 3.270 3.218 3.068 2.950 2.816 2.711 2.580 2.470 2.363 2.229 2.104 2.053 1.975 1.891 1.827 1.751 1.700 1.645 ANG. 172.8 165.1 157.0 149.3 143.0 136.9 130.7 124.8 119.7 114.8 110.2 105.3 102.4 97.9 94.3 90.9 87.8 84.6 81.7 78.8 S12 MAG. 0.023 0.046 0.070 0.090 0.108 0.124 0.139 0.151 0.162 0.171 0.178 0.185 0.191 0.196 0.199 0.203 0.206 0.209 0.211 0.212 ANG. 84.7 79.1 73.7 68.8 64.2 59.7 56.3 52.9 49.8 46.9 44.7 42.5 40.8 38.8 37.6 36.2 34.9 33.7 33.2 32.4 S22 MAG. 0.992 0.980 0.960 0.933 0.905 0.874 0.844 0.810 0.780 0.752 0.725 0.703 0.686 0.660 0.641 0.623 0.607 0.593 0.580 0.567 ANG. -5.3 -10.3 -15.8 -20.8 -25.1 -29.3 -33.2 -36.7 -39.9 -42.8 -45.5 -47.7 -50.1 -52.5 -54.5 -56.4 -58.3 -60.3 -62.1 -64.1 10 2SC4791 When using this document, keep the following in mind: 1. This document may, wholly or partially, be subject to change without notice. 2. All rights are reserved: No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without Hitachi's permission. 3. Hitachi will not be held responsible for any damage to the user that may result from accidents or any other reasons during operation of the user's unit according to this document. 4. Circuitry and other examples described herein are meant merely to indicate the characteristics and performance of Hitachi's semiconductor products. Hitachi assumes no responsibility for any intellectual property claims or other problems that may result from applications based on the examples described herein. 5. No license is granted by implication or otherwise under any patents or other rights of any third party or Hitachi, Ltd. 6. MEDICAL APPLICATIONS: Hitachi's products are not authorized for use in MEDICAL APPLICATIONS without the written consent of the appropriate officer of Hitachi's sales company. Such use includes, but is not limited to, use in life support systems. Buyers of Hitachi's products are requested to notify the relevant Hitachi sales offices when planning to use the products in MEDICAL APPLICATIONS. 11 |
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