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Cst software12/8/2023 ![]() ![]() In traditional filter design, the tuning of the filter and placement of the transmission zeroes required both considerable analytic work to calculate filter coefficients and manual fine-tuning. Depending on their sign, they can also be employed for improving filter phase linearity. They are mostly employed for improving the filter selectivity by producing transmission zeroes. ![]() ![]() Cross-couplings (couplings between non-adjacent resonators) can be used to modify the filter transfer function. CoupleFil is a synthesis tool for designing cross-coupled bandpass filters, and will complement and extend CST’s workflows for simulating and optimizing filters.Ĭross-coupled filters are commonly used for high-frequency, high-performance applications where narrow passbands and steep roll-off are required, for example in telecom base stations and satellites. Computer Simulation Technology (CST®) announces that it has acquired all intellectual property of the CoupleFil software developed by InnoDev GmbH. ![]()
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