communication systems

The Effect of Excessive Phase Noise in a Receiver’s Local Oscillator Introduction to Phase Noise and Local Oscillators Phase noise refers to the frequency stability or purity of a signal in a communication system. It is characterized by the random fluctuations in the phase of a signal and is a critical parameter in the performance …

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Understanding RF Local Oscillators: Key Concepts and Applications Introduction to RF Local Oscillators Radio Frequency (RF) local oscillators are essential components in the field of radio communications. At their core, RF local oscillators are electronic circuits that generate a stable frequency signal. This signal is paramount for various RF applications, ranging from basic radio receivers …

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Understanding the Difference Between an Oscillator and a Local Oscillator Introduction to Oscillators An oscillator is a fundamental electronic circuit designed to generate a periodic, oscillating signal. This signal typically manifests as a sine wave or a square wave, playing a crucial role in various electronic applications. At its core, an oscillator hinges on two …

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How to Calculate a Local Oscillator

Introduction to Local Oscillators A local oscillator is a crucial component in various communication systems, used primarily for frequency translation. By generating a frequency that mixes with the incoming signal frequencies, the local oscillator facilitates the conversion of these signals into a more manageable form for further processing. This process is essential in both the …

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Understanding the Difference Between Coherent and Non-Coherent Detection in Communication Systems Introduction to Signal Detection in Communication Systems Signal detection is a critical aspect of communication systems, ensuring the accurate transmission and reception of information. At its core, signal detection refers to the process by which a communication system identifies the presence of a signal …

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Understanding the Role of Local Oscillators (LO) and LC Circuits in Modern Electronics Introduction to Local Oscillators (LO) and LC Circuits Local oscillators (LO) and LC circuits are integral components in the realm of modern electronics, underpinning the operation of many devices and systems. To begin with, a local oscillator is an electronic oscillator used …

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Understanding the Frequency Range of the Ku-Band Introduction to the Ku-Band The Ku-band represents a segment within the electromagnetic spectrum encompassing microwave frequencies, specifically between 12 and 18 GHz. Originating from the designation ‘Ku’, which stands for ‘Kurz-unten,’ translating from German to ‘shortened below,’ this band is named to reflect its position in comparison to …

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Understanding the Effect of Phase Noise in Communication Systems Introduction to Phase Noise Phase noise represents one of the critical parameters in evaluating the performance of communication systems and electronic devices. Unlike amplitude noise, which affects the signal’s strength, phase noise is a type of noise that affects the phase of the signal. Specifically, it …

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