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Frequency Modulation, FM Sidebands & Bandwidth

The bandwidth of a frequency modulated, FM signal depends on a variety of factors including the level and frequency of the modulation, and their levels are important for broadcast and radio communication applications. The bandwidth, sideband formation and spectrum of a frequency

Posted on:05-18 View:50
PLL, Phase Locked Loop Filter

The filter circuit within a phase locked loop governs many of the properties of its operation. The design of the PLL, loop filter is crucial to the operation of the whole phase locked loop. The actual circuit of the PLL loop filter is generally re

Posted on:05-18 View:26
Voltage Controlled Oscillator VCO Design for PLLs

The performance of the voltage controlled oscillator in any phase locked loop is a key circuit block, determining many aspects of the overall performance. Within a phase locked loop, PLL, or frequency synthesizer, the performance of the voltage controlled oscillator, VCO is key.

Posted on:05-18 View:46
Phase Detector: digital, linear, mixer . .

The phase detector is a key element of a phase locked loop and many other circuits. There are several types ranging from digital to analogue mixer and more. The phase sensitive detector can be used in a number of circuits – anywhere that it is necessary to detect the phase betwe

Posted on:05-18 View:57
PLL Phase Locked Loop Tutorial & Primer

Phase locked loops, PLLs are a key RF circuit building block, but they often appear to be shrouded in mystery. Find out how they work. The phase locked loop or PLL is a particularly useful circuit block that is widely used in radio frequency or wireless applications. I

Posted on:05-18 View:13
Quadrature FM Demodulator / Detector Tutorial

The quadrature FM detector or demodulator is used in many FM radios and receivers. The FM quadrature demodulator and its relation the coincidence detector or demodulator provide another form of FM detector circuit that is used in many areas, being easily incorporated into int

Posted on:05-18 View:37
PLL FM demodulator: phase locked loop FM detector

Phase locked loops, PLLs are ideal for demodulating frequency modulation, FM being easy to incorporate in ICs and providing a linear output. Phase locked loop, PLL FM detectors can easily be made from the variety of phase locked loop integrated circuits that are available, and a

Posted on:05-18 View:17
Foster Seeley Discriminator: FM detector / demodulator

The Foster Seeley FM discriminator, detector or demodulator enabled audio to be recovered from frequency modulated signals using a relatively simple circuit . The Foster Seeley circuit is probably most commonly called the Foster Seeley discriminator. This is really a hang-over f

Posted on:05-18 View:61
FM Slope Detector / Demodulator

One of the easiest methods of demodulating / detecting FM frequency modulation is to use the slope of a tuned circuit: simple but not very effective. FM slope detection is a concept that can used be recover the modulation from an FM signal. It is simple because it can be used w

Posted on:05-18 View:59
Frequency Modulation, FM Detection, Demodulation, Discrimination

In order to use the modulation on an FM signal, it is necessary to extract the modulation, i.e. demodulate or detect the signal. FM demodulation is also called FM detection and sometimes the phrase "FM discrimination" is used, although this term tends to be used with o

Posted on:05-18 View:26

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