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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Krithivasan, R. Comeau, J.P. Kuo, W.-M.L. Yuan Lu Cressler, J.D. Joseph, A.J. |
| Copyright Year | 2005 |
| Description | Author affiliation: Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA (Krithivasan, R.; Comeau, J.P.; Kuo, W.-M.L.; Yuan Lu; Cressler, J.D.) |
| Abstract | A broadband, high-gain, limiting amplifier implemented in 120 GHz silicon-germanium (SiGe) heterojunction bipolar transistor (HBT) technology and aimed at low-cost 10-20 Gb/sec applications is presented. The amplifier achieves a saturated differential midband gain of more than 42 dB and a 3-dB bandwidth in excess 24 GHz for a 10-mVpp (-40 dBm) input. A clear and wide-open eye diagram was measured under 10-Gb/s operation. The limiting amplifier has an input sensitivity of less than 12 mV/sub pp/ at a bit error rate (BER) of 10/sup -9/. All of the stages of the amplifier employ the modified differential Cherry-Hooper architecture to achieve a broadband gain response. The total power consumption of the chip is 550 mW off of a -5 V power supply. The total chip area is 0.945 /spl times/ 0.720 mm/sup 2/. This amplifier is compared with other published amplifiers based on a newly proposed figure-of-merit. |
| Sponsorship | IEEE Electron Devices Soc |
| Starting Page | 208 |
| Ending Page | 211 |
| File Size | 1811290 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780393090 |
| DOI | 10.1109/BIPOL.2005.1555233 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-10-09 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Silicon germanium Germanium silicon alloys Heterojunction bipolar transistors Broadband amplifiers Differential amplifiers Bit error rate Bandwidth Signal analysis Energy consumption Power supplies |
| Content Type | Text |
| Resource Type | Article |
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