Collector Modulation Circuit - Working, Advantages and Disadvantages: This is very popular method for AM generation. The circuit diagram for collector modulation is shown in Fig. 22.26. Here, the transistor…
Vestigial Sideband Modulation System (VSB): A Vestigial Sideband Modulation System (VSB) is actually a compromise between DSBSC and SSB modulation systems. In other words, it can be said that it…
Types of Amplitude Modulation (AM): As we know already that, one carrier and two sidebands are produced in AM generation. However, it is not essential that all these signals are…
Modulation - Definition, Types and Need for Modulation: Any wave has three significant characteristics viz. amplitude, frequency and phase, and modulation is a process of impressing information to be transmitted…
Fet Tuned Amplifier - Circuit Diagram and Frequency Response: Figure 18.11(a) depicts the circuit of an FET tuned amplifier. It uses a first-order JFET model for the 2N 5484 [IDSS…
Frequency Modulated Continuous Wave Radar: The greatest limitation of Doppler radar, i.e., its inability to measure range, may be overcome if the transmitted carrier is Frequency Modulated Continuous Wave Radar.…
Slope Detector FM Demodulation: Consider a frequency-modulated signal fed to a tuned circuit whose resonant frequency is to one side of the center frequency of the FM signal. The output…
Automatic Frequency Control Block Diagram: Automatic frequency control: As previously we see, the heart of an AFC circuit is a frequency-sensitive device, such as the phase discriminator, which produces a…