Suppression of Microwave High-Speed Circuit Noise by Using a 10 GHz Transimpedance Amplifier at 30 oC | ||
| Rafidain Journal of Science | ||
| Article 13, Volume 23, Issue 1, January 2012, Pages 126-136 PDF (0 K) | ||
| DOI: 10.33899/rjs.2012.29469 | ||
| Author | ||
| Samir M. Ahmad | ||
| Abstract | ||
| A 10 GHz low noise transimpedance amplifier (TIA) is designed in which a new high-speed Angelov transistor model was employed. Thermal circuit components were simulated for noise measurement at 30ºC at which a typical microwave noise of 20 pA/√Hz was applied as the TIA input. A form of feedback topology helped to reduce the minimum noise figure to 3 dB, while the |S21| parameter gain proved to be 21.7 dB. A noise voltage at the TIA output was 3.23 x 10-15 V2/Hz. The designed circuit showed a stability factor value of 0.36 which is considered as conditionally stable. | ||
| Keywords | ||
| Low noise amplifier; Transimpedance Amplifier; noise figure; Angelov transistor | ||
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