Overview of Broadband SPICE

In the Signal Integrity world, S-Parameter are the most common model to characterize interconnects because they account for all high-frequency effects, including frequency-dependent losses and higher-order modes, also they are portable because they can be distributed in the industry-standard Touchstone format.

Cadence Sigrity Broadband SPICE (BBS) technology accurately and quickly converts N-port passive-network parameters such as scattering, impedance, or admittance (S, Z, or Y) into SPICE-equivalent circuits that can be used in time-domain simulations. You can feed it data from Touchstone and Cadence Broadband Network Parameter (BNP) formats.

Sigrity BBS gives you a passive compact circuit model while maintaining accuracy for efficient transient simulations in SPICE-compatible circuit simulators. The resulting compact black-box models created by Broadband SPICE give you excellent convergence.

Benefits of Sigrity Broadband SPICE include:

• Generates models for DC through broadband frequencies
• Extracts network models with multiple resonance points
• Models a broad range of structures including IC packages, RF components, PCBs, cables, and connectors
• Generates a very high order, but numerically stable, model for complex network responses
• Rigorous passivity enforcement assured by automated techniques along with interactive user review and control

If you are interested , check out Broadband SPICE Tutorial

Team SimTech

Cadence Design Systems