Introduction to Satellite Communication » Exercise - 259. The following is an indirect method of generating FM : (a) Reactive FM modulator (b) Armstrong modulation (c) Varactor diode modulation (d) Reactance BJT modulator
AM and FM Receivers » Exercise - 17. …. Modulator is an indirect way of generating FM. (a) Reactance FET (b) Varactor FET (c) Armstrong (d) Reactance bipolar transistor
Introduction to Satellite Communication » Exercise - 122. For satellite communication the frequency should ….. the critical frequency of ionosphere. (a) Equal to (b) Less than (c) More than (d) None of the above
Introduction to Satellite Communication » Exercise - 257. One of the following can not be used to demodulate SSB : (a) product detector (b) diode balanced modulator (c) bipolar transistor balanced modulator (d) complete phase shift generator