heater voltage

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• Voltage drop — is the reduction in voltage in an electrical circuit between the source and load. In electrical wiring national and local electrical codes may set guidelines for maximum voltage drop allowed in a circuit, to ensure reasonable efficiency of… …   Wikipedia

• Voltage regulator tube — A voltage regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre determined level.Physically, these devices resemble vacuum tubes, but there are two main differences: * Their glass… …   Wikipedia

• Voltage reduction — In a simple resistive circuit, a reduction in the voltage across the resistance will result in a reduction in the power dissipated by the circuit.Electric UtilitiesElectric utilities have discovered that this basic principle can save utility… …   Wikipedia

• Voltage-to-current converter — Introduction For a variety of reasons, in low voltage electronics, voltage is a more frequently used data carrier. Thus electronic devices tend to be labeled with voltage inputs and outputs. However some devices are labeled in terms of current… …   Wikipedia

• Cathode heater — A cathode heater is a filament used to heat the cathode in a vacuum tube or cathode ray tube. Before transistors and integrated circuits came into widespread use, electronic devices used vacuum tubes. The cathode element had to achieve the… …   Wikipedia

• Crankcase heater — A crankcase heater is an electrical component in a compressor in an air conditioning system, heat pump system, or a chiller system. The crankcase heater is normally ON all the time even when the unit is not running, though temperature sensors and …   Wikipedia

• Current-to-voltage converter — In electronics, a transimpedance amplifier is an amplifier that converts current to voltage. Its input ideally has zero impedance, and the input signal is a current. Its output may have low impedance, or in high frequency applications, may be… …   Wikipedia

• List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …   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

• All American Five — The All American Five was a mass produced, superheterodyne radio receiver with five vacuum tubes first designed and produced in the USA in the 1930s.The radio was called the All American Five because the design represented the majority of radios… …   Wikipedia

• EL34 — The EL34 is a vacuum tube of the power pentode type. It has an octal base (indicated by the 3 in the part number) and is found mainly in the final output stages of audio amplification circuits. The American RETMA tube designation number for this… …   Wikipedia