Optenni Newsletter 2/2013

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Optenni Newsletter 2/2013

Optenni Ltd

Optenni Lab 2.0 Released with Multiport Capabilities

Version 2.0 of the Optenni Lab matching circuit optimization software was recently released, containing e.g. the following new features and improvements:

  • Simultaneous multiport matching which is available as a separately priced module. See below for more information
  • Implementation of the microstrip transmission line
  • Faster optimization routines using multiple processors
  • Individual limits, losses and tolerances for each supported component type

Typical applications of the multiport module are:

  • MIMO antenna matching
  • Optimization of the efficiency and isolation of antennas operating at different frequency bands
  • Optimization of coil matching for near field communication and wireless charging
  • Filter matching
  • Simultaneous input and output matching of amplifiers

The multiport module works with an abritrary number of ports and it has two main operation modes:

  1. Antenna mode: the efficiency of multiple antennas is optimized simultaneously.
  2. General multiport mode: the suitable S-parameters (e.g. S21) of the matched system are optimized.

In both operation modes any of the ports can be short circuited to the ground using a component whose value is to be optimized. The multiport module utilizes the same component library and tolerance analysis techniques as the standard one-port matching.

With Optenni Lab 2.0 you can construct and analyze optimized matching circuits using real component models in a matter of minutes:

  1. Read in the antenna impedance in Touchstone format
  2. Select the frequency ranges for each port
  3. Select the number of matching components for each port
  4. Select which component series is to be used for inductors and capacitors

After the matching circuits have been optimized you can compute a tolerance analysis in a couple of seconds to see the variation of the input impedance and efficiency due to the component tolerances.

The multiport module is the successful outcome of a major development project targeting easy-to-use but powerful functionalities for simultaneous multiport matching. Optimization of multiport matching circuits using real component models has never before been as fast and easy!

For more information, please see

multiport4 auto

Short course on impedance matching at IEEE AP-S/URSI 2013

Would you like to refresh your matching and Smith chart skills? Would you like to learn about the differences of power waves and traveling waves in microwave networks? Would you like to learn what is the correct optimization criterion for matching circuit design? Would you like to know more about antenna bandwidth estimation using the bandwidth potential technique?

Please join our popular short course "Advanced Impedance Matching and Impedance Analysis for Antenna Applications" during the following conference:

  • IEEE APS/URSI 2013 (The 2013 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting), July 7-13, 2013, Orlando, Florida. The short course is held on July 7.

If you are interested, please register through the conference web pages.




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