Measurement of hfe of an npn transistor at 50 MHz shows that |hfe| = 10 at IC = 0.2 mA and 12 at IC = 1.0 mA. Furthermore, C was measured and found to be 0.1 pF. Find fT at each of the two collector currents used. What must

Topic #2 Vectors and Phasors Wednesday, January 13, 20169:08 AM Complex Variable • • • • • • Harmonic Quantities • • Using KVL we get: • • • • Topic #3 Quaternions and Coordinate System Sunday, January 24, 201611:33 PM Vector Addition and Subtraction Multiplication- Scalar Product Multiplication- Vector Product Cartesian Coordinates • On exam • Cylindrical coordinates slide 13 • Cartesian - cylindrical coordinatesand vis versa • Cartesian - spherical coordinatesand vis versa CylindricalCoordinates Topic #4 Coordinate Transformations Monday, January 25, 2016 8:47 AM Spherical Transformationsnot on Exam 1 TransformingBase Vectors