Title :
OTA amplifiers using the principle of trapezoidal association of transistors on a sea-of-transistors digital array
Author :
Hyun, Jung ; Bampi, Sergio ; Ismail, Mohammed
Author_Institution :
Fed. Univ. of Rio de Janeiro, Brazil
Abstract :
This paper presents Operational Transconductance Amplifiers (OTA) designed on a pre-diffused array of digital Sea-Of-Transistors (SOT) using trapezoidal association of transistors (TAT) to emulate a single equivalent full-custom transistor. The TAT transistor is a composite of minimum channel length transistors, that achieves a DC and AC performance comparable to its equivalent single transistor. OTA amplifiers in both full-custom and SOT array methodology were implemented to allow better performance comparisons. The experimental results obtained for 1.0 μm digital technology are presented
Keywords :
CMOS analogue integrated circuits; VLSI; arrays; equivalent circuits; integrated circuit design; operational amplifiers; 0.1 micron; OTA amplifiers; SOT digital array; operational transconductance amplifiers; pre-diffused array; sea-of-transistors digital array; trapezoidal association of transistors; Analog-digital conversion; CMOS technology; Laboratories; MOSFETs; Microelectronics; Neodymium; Operational amplifiers; Routing; Transconductance; Very large scale integration;
Conference_Titel :
Mixed-Signal Design, 2000. SSMSD. 2000 Southwest Symposium on
Conference_Location :
San Diego, CA
Print_ISBN :
0-7803-5975-5
DOI :
10.1109/SSMSD.2000.836441