Pedro Pereira
Assistant Professor
Departamento de Engenharia Electrotécnica, Faculdade de Ciências e Tecnologia - Universidade Nova de Lisboa, 2829-516 Caparica, Portugal (email)
VCOSYM -an application for the automatic design of ring VCOS
- Citation:
- Pereira, P., and H. Fino, "VCOSYM -an application for the automatic design of ring VCOS", Proc. 12th IEEE Int. Conf. Electronics, Circuits and Systems ICECS 2005, pp. 1–4, 2005.
Abstract:
This paper presents an application for the automatic design of ring VCOs. In this application a VCO model based on the Npower transistor model is considered as a away of granting the accuracy of results for submicron technologies. In order to easily integrate any VCO previously designed into a PLL automatic design tool, a corresponding linear model of the VCO is automatically generated, yielding a simple and precise characterization for higher level system design. The design of a 150 MHz VCO using a seven stage ring topology is presented. The validity of the design obtained is checked against Hspice simulation of the circuit.
Notes:
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