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Simulations in MMIC Design

Keysight's Linear simulator for MMIC design includes an extensive set of component libraries, advanced convergence, model generation, and optimization technologies that help to accelerate the overall design process.

Keysight's Harmonic Balance simulator is used to simulate noise, gain compression, harmonic distortion, oscillator spurs, phase noise, and intermodulation products in non-linear circuits. The Harmonic Balance simulator is loaded with many advanced features that improve convergence, accelerate simulation and enhance optimization.

For product information, refer to Harmonic Balance (HB)

Keysight's fast Harmonic Balance simulator is especially useful for the design of the typical nonlinear circuits used in wireless RF and microwave communication systems. It simulates and optimizes the nonlinear steady-state response of amplifiers, multipliers, mixers, oscillators RF system models, and other devices.

Harmonic Balance provides performance measures such as DC bias, mixer noise figure, oscillation frequency and phase noise, large signal S-parameters, and power added efficiency. Keysight's simulator also provides swept variable (for example, power, frequency or circuit parameter) analysis, parametric subnetworks, and large-signal S-parameters.

Transient-Assisted Harmonic Balance (TaHB) is an advanced technology which was created specifically for addressing the challenges of designing highly non-linear circuits. The simulator runs transient analysis first and uses its results as an initial condition for harmonic balance to complete the solution. This process is fully automated process is easy to use and results in faster simulation and convergence of highly non-linear circuits.

Noise analysis of non-linear circuits is another area where HB is very effective. HB, with its nonlinear frequency-domain technique, easily lends itself to the fast and accurate noise analysis of mixers and oscillators while including large-signal effects.

Designers can optimize mixer noise performance by looking at the effects of various different DC bias or LO levels on oscillator phase noise, on noise figure of frequency translation circuits such as mixers and receivers, and on bit error rates (BER).

The design performance can also be verified with the use of Keysight's Ptolemy system simulator by means of Co-simulation. For example, an amplifier could have an EVM spec that should be met with some kind of a wireless modulated signal. This can be done easily by co-simulating it with Ptolemy which provides many of the wireless standards signals.

For product information, refer to Ptolemy

Keysight EEsof EDA provides unique value with True Circuit Verification to all Wireless Standards

Retun to MMIC Design

Learn more about Keysight EEsof EDA Software