Analog Devices updates RF simulation tool

17 April 2013 Design Automation

Analog Devices announced the release of a new version of its ADIsimRF design tool. The free tool is the software accompaniment to the company’s portfolio of RF-to-digital functional blocks, allowing engineers to model RF signal chains using devices from across its RF IC and data converter portfolio.

Accessible at www.analog.com/adisimrf, ADIsimRF Version 1.7 adds a number of new device models, along with enhanced support for inter-stage mismatch calculations. The design tool provides calculations for the most important parameters within an RF signal chain, including cascaded gain, noise figure, IP3, P1dB and total power consumption.

The software contains embedded data from many of ADI’s RF ICs and data converters, which designers can easily access using pull-down menus to assist in component selection.

One of the tool’s unique capabilities as an RF signal chain calculator is its ability to calculate scalar mismatch loss that results when two adjacent devices have different output and input impedances. In ADIsimRF Version 1.7, device models for many non-50 devices such as I/Q demodulators, VGAs and ADC drivers, have been tweaked in order to take full advantage of the tool’s ability to factor the effect of inter-stage mismatch into cascaded IP3, P1dB, gain and noise figure calculations.

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