Title :
Current-reuse transimpedance amplifier with active inductor
Author :
Abd-elrahman, Diaa ; Atef, Mohamed ; Abbas, Mohamed ; Abdelgawad, Mohamed
Author_Institution :
Electr. Eng. Dept., Assiut Univ., Assiut, Egypt
Abstract :
This paper presents a low power transimpedance amplifier (TIA) based on current-reuse technique (CR). Active inductive peaking (AP) is used in addition to current-reuse to extend the bandwidth while keeping the low power consumption. For 2 pF total input capacitance, the post layout simulation shows a transimpedance gain of 60.2 dBΩ and 1 GHz bandwidth for the proposed CR-TIA. The TIA gain is increased to be 61.6 dBΩ and the bandwidth is extended to 2 GHz by employing the new CRAP-TIA. The total input referred noise currents of the CR and CRAP TIAs are 637.7 nArms up to 1.5 GHz and 907.6 nArms up to 2.5 GHz, respectively. The CR and CRAP-TIAs are implemented in 130 nm CMOS technology and consume 2 mA from a 1.5 V supply voltage.
Keywords :
CMOS integrated circuits; inductors; operational amplifiers; CMOS technology; CRAP-TIA; active inductive peaking; bandwidth 1 GHz; capacitance 2 pF; complementary metal oxide semiconductor; current 2 mA; current-reuse transimpedance amplifier; power consumption; size 130 nm; total input capacitance; transimpedance gain; voltage 1.5 V; Active inductors; Bandwidth; CMOS integrated circuits; CMOS technology; Gain; Noise; Power demand;
Conference_Titel :
Signals, Circuits and Systems (ISSCS), 2015 International Symposium on
Conference_Location :
Iasi
Print_ISBN :
978-1-4673-7487-3
DOI :
10.1109/ISSCS.2015.7203946
