OVERVIEW

MMICs & RFIC

GaAs low noise amplifier MMIC. Sonnet computes response and current density of the featured interstage matching network from 10-30 GHz. Current density is shown at 19 GHz. Only 8 EM simulation frequencies are required for Sonnet's new ABS technique to provide a fine resolution response over a 3X bandwidth. Sonnet excels in thin dielectric and short via simulation requirements often found in MMIC and RFIC applications.

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Presentation EM Analysis RFIC MMIC

 

 

 

 

http://www.muehlhaus.com/files/Sonnet_EM_Analysis_RFIC_MMIC_EEEfCOM09.pdf

 

 

 

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Lossy Silicon

A spiral inductor on lossy silicon. The substrate is 1 mm thick with a conductivity of 20 S/m. Most of the spiral metal is separated from the silicon by a thin (1 micron) insulating layer of SiO2. All EM effects, including eddy current effects in the silicon, and frequency-dependant metal loss are included in the analysis. This spiral was analyzed with Sonnet's patented conformal mesh technology to make analysis of the curved structure much more efficient.

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PCB

PCB low-pass filter application with printed inductors. Sonnet provides EM modeling of all layout details, including parasitics and cross coupling. Using Sonnet’s unique calibrated internal ports and a netlist interpreter, S-parameter or lumped element models for surface mount devices can be easily incorporated into the EM simulation to yield a high-confidence model for the complete circuit.

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LTCC

A diplexer design for cell phone applications. The ABS technique yields a complete 8x band sweep with only 9 discrete EM analysis frequencies required, cutting simulation time for this part dramatically.

 Sonnet provides the industry’s most efficient handling of multi-layer LTCC structures, many of which exceed 20 layers of dielectrics.

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CPW

Designs based on Yu-Kang Kuo, Chi-Hsueh Wang, Chun Hsiung Chen, Novel Reduced-Size Coplanar Waveguide Bandpass Filters. IEEE Microwave and Wireless Components Letters, Vol. 11, No. 2, Feb. 2001

Wideband and narrowband finite ground coplanar waveguide (FGCPW) filter analysis by Sonnet Professional. Narrowband design shows a package-induced resonance at 3.46 GHz unanticipated by conventional filter design techniques.

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Superconductor Filters

Sonnet enabled a first-pass success for this superconducting filter.

Superconducting filter design modeled in Sonnet for a radio astronomy application.* Sonnet simulations demonstrate excellent agreement with measurements on the part; Sonnet enabled a first-pass success for the filter. Current density is shown at 1.5 GHz.

*At the Max-Planck-Institute für Radioastronomie

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Antennas

2.4 GHz Patch Antenna with S-parameters, current density and far-field radiation pattern shown.

A RH circularly polarized patch antenna design for operation at 2.4 GHz, with quadrature phase feed. Sonnet provides precise S-parameters, current density and far-field radiation pattern (both RH and LH circular polarizations are shown for the x-axis cut). See "Patch Antennas, Measured vs. Calculated" below for more details.

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Signal Integrity

64-port SPICE/Pspice model was extracted from this byte reversal network.

Quickly and accurately model high-speed busses and circuits with signal integrity concerns. Sonnet Professional imposes no limits on layers, ports or number of traces in the circuit. Compute all cross-talk, loss and self-parasitic effects in your circuit.

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Spiral Indictor assistant

Spiral Inductor Assistant for Sonnet is an add-on tool for Sonnet Professional,

Based on a pre-defined technology template file, the user only needs to define a few parameters to get a fully functional simulation model of the inductor. The simulation model can be opened in the Sonnet Professional editor and analyzed with a few mouse clicks, to obtain key parameters like inductance, Q factor, series resistance and substrate parasitics. With the appropriate Sonnet options, a broad band SPICE model can be extracted.  A Sonnet equation file is included to plot typical RFIC inductor parameters in the Sonnet data display.

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Exemple

This example demonstrates the new Sonnet 11 component feature. Three SMD capacitors are accurately embedded into the filter layout, with perfectly calibrated component ports.

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