论文部分内容阅读
This paper presents a modified regulated cascode(RGC) transimpedance amplifier(TIA) with a novel pre-equalized technique. The pre-equalized circuit employed the broadband series inductive-network and Gmboosting technique. The introduction of this technique compensates the transferred signal at the input port of the TIA without an increase in power dissipation. Furthermore, a novel miller capacitance degeneration method is designed in the gain stage for further bandwidth improvement. The TIA is realized in UMC 0.18 m CMOS technology and tested with an on-chip 0.3 p F capacitor to emulate a photodetector(PD). The measured transimpedance gain amounts to 57 d B with a 3 d B bandwidth of about 8.2 GHz and consumes only 22 m W power from a single1.8 V supply.
The paper presents a modified regulated cascode (RGC) transimpedance amplifier (TIA) with a novel pre-equalized technique. The pre-equalized circuit employed the broadband series inductive-network and Gmbosting technique. The introduction of this technique compensates the transferred signal at the input port of the TIA without an increase in power dissipation. Furthermore, a novel miller capacitance degeneration method is designed in the gain stage for further bandwidth improvement. The TIA is realized in UMC 0.18 m CMOS technology and tested with an on-chip 0.3 p F capacitor to emulate a photodetector (PD). The measured transimpedance gain amounts to 57 d B with a 3 d B bandwidth of about 8.2 GHz and consumes only 22 m W power from a single 1.8 V supply.