Systematic Synthesis of Active-RC Circuit Building-Blocks
- Cite this article as:
- Haigh, D.G., Tan, F.Q. & Papavassiliou, C. Analog Integr Circ Sig Process (2005) 43: 297. doi:10.1007/s10470-005-1609-y
In this paper, we show how some basic building blocks for active-RC circuit design, such as amplifiers, impedance converters and simulated inductance circuits, may be synthesised in a systematic way by expansion of their port admittance matrices. The circuit topology emerges from the synthesis procedure, allowing all possible implementations to be identified and explored. Nullors representing ideal op-amps and transistors are represented within the nodal admittance matrix of a synthesised circuit by linked infinity parameters. In nodal admittance matrices describing ideal circuits synthesised, the replacement of linked infinity parameters by finite parameters provides a seamless transition to non-ideal analysis and practical circuit design.