5555555555 46. A certain oscillator has a tap on the inductor in the tank circuit. This oscillator is probably ________. (a) a Colpitts oscillator. (b) a Clapp oscillator. (c) a crystal oscillator. (d) a Hartley oscillator.
5555555555 88. In a Hartley oscillator, the elements X1 and X2 are ________ and X3 is a(n) ________. (a) inductors, capacitor (b) capacitors, inductor (c) capacitors, resistor (d) inductors, resistor
5555555555 36. In order to start up, a feedback oscillator requires ________. (a) negative feedback less than 1. (b) positive feedback greater than 1. (c) unity feedback equal to 1. (d) no feedback.