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E8921A Former Product Number

Status do Produto: Obsoleto
Este produto não se encontra disponível

Esse produto foi substituído por um novo:



Note: Model number E8921 has been discontinued; however, the Momentum 3D Planar EM Simulator feature/capability is now included in the W2341 Momentum G2 Element.

The information below is for reference only.

Momentum is a 3-D planar electromagnetic (EM) simulator used for passive circuit analysis. It accepts arbitrary design geometries (including multi-layer structures) and accurately simulates complex EM effects including coupling and parasitics. Accurate EM simulation enables RF/MMIC designers to improve passive circuit performance and increases confidence that the manufactured product will function as simulated.

Momentum RF is a second solver technology within the Momentum EM engine that reduces simulation time without sacrificing accuracy on large structures under a half wavelength.

Because Momentum is an integrated component in the Advanced Design System (ADS) design flow, simulation setup times are reduced, and design productivity is increased.

Product Highlights

  • Full wave EM solver accounts for full dispersion and radiation.
  • Quasi-static EM solver for faster modeling of larger circuits from DC to a half wavelength.
  • Fully-integrated with ADS Layout environment.
  • "Edge mesh" for improved behavioral characterization of current crowding in high frequency signals.
  • Adaptive frequency sampling (AFS) provides the greatest frequency sweep resolution with a minimal number of actual solved frequencies.
  • Available sidewalls simulation (waveguide mode) to model the effects of placing a circuit near a package sidewall.
  • Incorporates box resonance mode to model package effects and discover if box resonance occurs anywhere in the frequency range of interest.
  • Generates the DC operating point with S-parameters for circuit simulations that need bias flowing to an active device.
  • Fully automated EM design optimization with Momentum Optimization add-on.
  • 3D visualization and current animation capabilities with

Circuit Sim & Optimization


Momentum is included in the E8948 Momentum Turbo Element.

In addition, Momentum is also included in several pre-configured ADS Simulation Bundles.