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Design and Development Software
News Release from: Cadence Design Systems | Subject: Cadence Virtuoso Passive Component Designer
Edited by the Electronicstalk Editorial
Team on 13 November 2007
Software eases passive component design
The Virtuoso Passive Component Designer helps designers automatically generate the optimum inductive device for their specific application and process technology.
Cadence Design System has released Cadence Virtuoso Passive Component Designer, a complete flow for the design, analysis and modeling of inductors, transformers and transmission lines The new technology puts passive component design into the hands of analogue and RF designers developing fast and complex wireless SoCs and RFICs
This article was originally published on Electronicstalk on 20 Nov 2001 at 8.00am (UK)
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Starting from design specifications such as inductance, quality factor and frequency, the Virtuoso Passive Component Designer helps designers automatically generate the optimum inductive device for their specific application and process technology, resulting in higher performance and smaller area.
A built-in 3D full wave solver verifies the generated devices, eliminating the need for a dedicated inductor characterisation run and reducing the design turnaround time.
Virtuoso Passive Component Designer is optimised for 90 and 65nm process nodes, supporting advanced design rules and CMP constraints such as dummy metal fills and slotting.
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In addition to the wide variety of supported inductor and transformer geometries, it allows the design teams to define their own custom geometries graphically or manually using parameterised cells, or Pcells.
"Inductors and transformers are critical components in our high-frequency integrated circuit".
"They have high impact on chip area and performance", said Hisaharu Miwa, General Manager of the Design Technology Division, Renesas Technology.
"Our goal is to improve design productivity by considering the impact of inductors and transformers from the early design stages".
"We use Virtuoso Passive Component Designer because it addresses these challenges".
"Virtuoso Passive Component Designer provides an easy way to model and generate PDK components due to its integration in Virtuoso custom design platform and its accurate built-in electromagnetic solver".
Virtuoso Passive Component Designer is easy to use and does not require electromagnetic expertise.
The output is a complete process design kit component with a symbol, schematic, layout and a simulation model.
The built-in modeling capability converts S-parameter files into physical lumped element models, ready for RF analysis using Virtuoso Spectre Circuit Simulator XL.
The Cadence technology also includes a fast and accurate coupling analysis capability, enabling designers to optimise the placement of inductors and transformers on the layout resulting in smaller silicon area and higher yield.
"We immediately improved the frequency accuracy of our VCO designs to 0.9 to 1.9% once we adopted the Cadence RF Design Methodology Kit and began to use Virtuoso Passive Component Designer to accurately synthesise and model our inductors and transformers", according to Dr Aleksander Dec, Vice President and co-founder, Epoch Microelectronics.
"The combination of detailed inductor models from Virtuoso Passive Component Designer and accurate RLCK extracted views from QRC extraction enabled accurate full-chip sign-off".
"This represented a huge savings in both time and cost".
Virtuoso Passive Component Designer is tightly integrated into the Cadence Virtuoso custom design platform.
The new technology is a component of Virtuoso multiMode Simulation technology and follows the same flexible licensing scheme.
"The evolution of mobile phones and portable devices presents great challenges for analogue and RF IC designers", said Srinivas Raman, Corporate Vice President, Virtuoso Custom IC R and D.
"More and more complex analogue and RF circuits need to fit in the same small lightweight handset, consume the same amount of battery power and be produced with the same low cost of a single-band handset of the 1990s".
"Using the Virtuoso Passive Component Designer, analogue and RF design teams can quickly create accurate passive components that meet design specifications, consume lower power and fit in smaller areas than pre-designed one-size-fits-all components".
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