90 GHz basedband lumped amplifier |
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| Authors: | Tsai HS Kopf R Melendes R Melendes M Tate A Ryan R Hamm R Chen YK |
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| Affiliation: | Lucent Technol. Bell Labs., Murray Hill, NJ; |
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| Abstract: | A broadband amplifier using InP-InGaAs single heterojunction bipolar transistors (HBTs) is presented. This modified Darlington amplifier exhibits a low-frequency gain of 6.2 dB with -3 dB bandwidth of 90 GHz. This wide bandwidth performance is compatible, or superior to, other lumped or distributed amplifiers based on HEMT and HBT technologies reported in the literature |
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