BAW stands for Bulk Acoustic Wave (BAW). BAW Filters are low cost RF filters that are used over a broad band of applications. Like SAW filters BAW filters are based on converting RF energy to acoustic energy. However they are expensive items, They provide high frequency operation. Please visit the SPG website for more information and technical items.
Signal Processing Group is alive and well and operating as usual. Contact us for analog, RF, Microwave product design, ASICs as well as modules. We can now do 3D modeling using Shapr3d and Solidworks, so we can produce enclosures. Latest work on RFMW is a K band amplifier. Other RFPA’s are a S band amplifier, Find us on Digikey as well where we have started to sell our products starting with a wideband 1dB NF LNA and a wideband RF detector. Many more products to follow. Take a look at our blog for valuable tech. info as well.
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Having designed RFMW circuits, ASICs, RFICs and modules for a long time and used most simulators to do the analysis ( the latest in line being ADS and Microwave Office) we added the ANSYS tool HFSS to the repertoire. Although it does not seem to be used as widely as the SPICE based simulators we found it to be of great value in our analysis and a great help in deriving parameters not produced by either of the two aforementioned CAD tools. It provides EM analysis, power analysis, fields and radiation analysis which is a real help in our RFMW design efforts. The philosophy of the tool is slightly different from the usual tools. However, if you want to reduce the risk on your design to a irreducible minimum then HFSS and some of the other ANSYS tools can come in real handy. More on the HFSS tool analysis in this blog to follow. Please visit our website for more analog, RFMW ASIC and module information.