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In a passive mixer, the desired output signal is always of lower power than the input signals. Active mixers use an amplifying device (such as a transistor or vacuum tube) that may increase the strength of the product signal. Active mixers improve isolation between the ports, but may have higher noise and more power consumption. An active mixer ...
Additive mixers add two or more signals, giving out a composite signal that contains the frequency components of each of the source signals.The simplest additive mixers are resistor networks, and thus purely passive, while more complex matrix mixers employ active components such as buffer amplifiers for impedance matching and better isolation.
A passive mixer consists of just resistors (incrementally passive), whereas an active mixer includes components capable of gain (active). In audio work one can also find both (incrementally) passive and active converters between balanced and unbalanced lines.
The strict physics definition treats passive components as ones that cannot supply energy themselves, whereas a battery would be seen as an active component since it truly acts as a source of energy. However, electronic engineers who perform circuit analysis use a more restrictive definition of passivity.
In mechanics, a micromixer is a device based on mechanical microparts used to mix fluids.This device represents a key technology to fields such as Chemical industry, Pharmaceutical industry, Analytical chemistry, Biochemistry, and high-throughput synthesis, since it makes use of the miniaturization of the fluids associated in the mixing to reduce quantities involved in the chemical and/or ...
Use either a hand mixer or a stand mixer for creaming and aerating butter and sugar. A hand mixer could take roughly 25% to 50% more time, but it will get you to the same place.
In audio work there are passive mixers and active mixers, the former including only pots and resistors, the latter including gain stages. In audio work one can also find both passive and active converters between balanced and unbalanced lines.
SSL SL9000J (72 channel) console at Cutting Room Recording Studio, NYC An audio engineer adjusts a mixer while doing live sound for a band.. A mixing console or mixing desk is an electronic device for mixing audio signals, used in sound recording and reproduction and sound reinforcement systems.
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