This 3-dB point exists if k>2. He() is approximately linear around this 3-dB point. The slope of this response, se (dB/MHz), can be, therefore, approximated by
This 3-dB point exists if k>2. He() is approximatelylinear around this 3-dB point. The slope of this response, se(dB/MHz), can be, therefore, approximated by