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By John Oncea, Editor  |  The transistor, invented at Bell Labs in 1947, replaced bulky vacuum tubes and enabled the miniaturization revolution that created modern electronics. It is one of the biggest inventions of the 20th century.  |   |  
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Group Delay Engineering In RF Filters  |  By Cadence Design Systems, Inc.  |  RF filter design can be tricky, especially in mid-range frequencies where impedance matching poses challenges. Explore the complexities and methods to engineer optimal group delay curves.  |  
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