Automated synthesis procedure of RF discrete tuning differential capacitance circuits

Mendes, Luís; Pires, E. J. Solteiro; Vaz, João C.; Rosário, Maria J.; Oliveira, P. B. Moura; Machado, J. A. Tenreiro; Ferreira, Nuno M. F.

http://hdl.handle.net/10400.22/4435

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Authors

Mendes, Luís

Pires, E. J. Solteiro

Vaz, João C.

Rosário, Maria J.

Oliveira, P. B. Moura

Machado, J. A. Tenreiro

Ferreira, Nuno M. F.

Abstract(s)

The paper presents a RFDSCA automated synthesis procedure. This algorithm determines several RFDSCA circuits from the top-level system specifications all with the same maximum performance. The genetic synthesis tool optimizes a fitness function proportional to the RFDSCA quality factor and uses the epsiv-concept and maximin sorting scheme to achieve a set of solutions well distributed along a non-dominated front. To confirm the results of the algorithm, three RFDSCAs were simulated in SpectreRF and one of them was implemented and tested. The design used a 0.25 mum BiCMOS process. All the results (synthesized, simulated and measured) are very close, which indicate that the genetic synthesis method is a very useful tool to design optimum performance RFDSCAs.