negative grid bias

См. также в других словарях:

• Grid bias — is a DC voltage applied to electron tubes (or valves in British English) with three electrodes or more, such as triodes. The control grid (usually the first grid) of these devices is used to control the electron flow from the heated cathode to… …   Wikipedia

• grid bias — n. a steady, direct current voltage applied to the control grid of an electron tube to make it negative with respect to the cathode …   English World dictionary

• grid bias — noun : a small constant component of the grid potential in a vacuum tube that is usually negative for ordinary triode control grids …   Useful english dictionary

• Bias (electrical engineering) — In electrical engineering, the term bias has the following meanings: # A systematic deviation of a value from a reference value. # The amount by which the average of a set of values departs from a reference value. # Electrical, mechanical,… …   Wikipedia

• c-bias — ˈ ̷ ̷| ̷ ̷ ̷ ̷ noun Usage: usually capitalized C : the voltage applied to the control grid of a vacuum tube to make it negative with respect to the cathode * * * /see buy euhs/, n. Electronics. See grid bias …   Useful english dictionary

• Cathode bias — In order for a vacuum tube (or valve) to operate in a fairly linear region of its characteristic curve, the grid element must be maintained at a bias voltage more negative than the cathode. This is called cathode bias.Early techniquesEarly… …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

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• Space charge — is a concept in which excess electric charge is treated as a continuum of charge distributed over a region of space (either a volume or an area) rather than distinct point like charges. This model typically applies when charge carriers have been… …   Wikipedia

• Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Biasing — This article is about biasing in electronics. For other uses, see Biasing (disambiguation). Biasing in electronics is the method of establishing predetermined voltages and/or currents at various points of an electronic circuit to set an… …   Wikipedia