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The Pennsylvania Liquor Control Board (PLCB) is the independent state government agency in Pennsylvania that manages the beverage alcohol industry in the state under the regulations of the Pennsylvania Liquor Code. The board is responsible for licensing the possession, sale, storage, transportation, importation, and manufacture of wine, spirits ...
A control loop is the fundamental building block of control systems in general and industrial control systems in particular. It consists of the process sensor, the controller function, and the final control element (FCE) which controls the process necessary to automatically adjust the value of a measured process variable (PV) to equal the value of a desired set-point (SP).
A Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g. double- sideband suppressed carrier signals) and phase modulation signals (e.g. BPSK, QPSK). It was invented by John P. Costas at General Electric in the 1950s. [1][2] Its invention was described ...
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Open-loop controller. In control theory, an open-loop controller, also called a non-feedback controller, is a control loop part of a control system in which the control action ("input" to the system [1]) is independent of the "process output", which is the process variable that is being controlled. [2] It does not use feedback to determine if ...
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A Telstra roadside cabinet housing a Remote Integrated Multiplexer (RIM) [1] and Customer Multiplexer (CMUX). A digital loop carrier (DLC) is a system which uses digital transmission to extend the range of the local loop farther than would be possible using only twisted pair copper wires. A DLC digitizes and multiplexes the individual signals ...