Finding all elementary circuits exploiting transconductance
Finding all elementary circuits exploiting transconductance
Summary: Commonly used elementary circuits like single-transistor amplifier stages, the differential pair, and current mirrors basically exploit the transconductance property of transistors. This paper aims at finding all elementary transconductance-based circuits. For this purpose, all graphs of two-port circuits with one or two voltage controlled current sources are generated systematically. This results in 150 graphs of ``finite transactance two-port circuits'' with at least one nonzero transmission parameter. Each of them can be implemented in various ways using transistors and resistors, covering many commonly required types of two-ports. To illustrate the usefulness of the technique, several alternative circuit implementations for current amplifiers and voltage followers are generated. A new wide-band low-noise amplifier generated with the technique was realized in 0.35-\(\mu\)m CMOS.
- University of Twente Netherlands
Circuit synthesis, IR-41745, Computer aided design, circuit synthesis, METIS-205873, Transconductor, circuit topology, CODEN-ICSPE5, systematic circuit generation, Analog circuit design, Systematic circuit generation, computer-aided design, Voltage-controlled current source, Computer science aspects of computer-aided design, transconductor, 2020 OA procedure, EWI-14348, analog circuit design, Analytic circuit theory, voltage-controlled current source, METIS-112923, Circuittopology
Circuit synthesis, IR-41745, Computer aided design, circuit synthesis, METIS-205873, Transconductor, circuit topology, CODEN-ICSPE5, systematic circuit generation, Analog circuit design, Systematic circuit generation, computer-aided design, Voltage-controlled current source, Computer science aspects of computer-aided design, transconductor, 2020 OA procedure, EWI-14348, analog circuit design, Analytic circuit theory, voltage-controlled current source, METIS-112923, Circuittopology
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