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PS Audio is an American company specializing in high-fidelity audio components (also known as high-end audio) equipment for audiophiles and the sound recording industry. It currently produces audio amplifiers, preamplifiers, power related products, digital-to-analog converters, streaming audio, music management software and cables.
Linear variable bench power supplies have existed since longer ago, dating back at least to the 1980s. [6] [7] [8] Linear power supplies typically make clicking sounds while adjusting the voltage, caused by adjustment between transformer taps. This is done to reduce energy wasted to heat by widening or narrowing the selected section of the ...
A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The term usually refers to a type of radio-frequency (RF) power amplifier , some of which have output power measured in kilowatts , and are used in amateur radio .
For higher impedances, such as 250 kΩ, the EF86's voltage noise is 1/10 1/2 lower than the sources's own noise, and the noise figure is ~1 dB. For a low-impedance source of 250 Ω, on the other hand, the noise contribution of the valve is 10 times larger than the signal source, and the noise figure is approximately ten, or 10 dB.
A simple general-purpose desktop power supply used in electronic labs, with power output connector seen at lower-left and power input connector (not shown) located at the rear Interior of high-end linear power supply with toroidal mains transformer. A power supply is an electrical device that supplies electric power to an electrical load.
Adjustable 3 A negative voltage regulator (-1.2 V to -32 V) [67] LM137 LM237 LM337 Adjustable 1.5 A negative voltage regulator (-1.2 V to -37 V) [68] LM138 LM338 Adjustable 5 A voltage regulator (1.2 V-32 V) [69] LM140 LM340 LM78xx 1 A positive voltage regulator (5 V, 12 V, 15 V), can be adjustable [70] [71] LM341 LM78Mxx
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