The vacuum not only increases the working voltage and RF tuning networks.
2.
Different types are used depending on required capacitance, working voltage, current handling capacity, and other properties.
3.
:Capacitors are combined in series to achieve a higher working voltage, for example for smoothing a high voltage power supply.
4.
LFP's higher ( 3.2 V ) working voltage can allow a single cell to drive an LED without needing a step-up circuit.
5.
Total losses in systems using high-voltage transmission and transformers to reduce ( or increase ) the voltage are very much lower than DC transmission at working voltage.
6.
When troubleshooting circuit problems, a few problems are intermittent or only show up with the working voltage applied, and are not revealed by measurements with equipment, however sophisticated, which uses low test voltages.
7.
Vacuum variables can also be more convenient since the elements are under a vacuum the working voltage can be higher than an air variable the same size, allowing the size of the vacuum capacitor to be reduced.
8.
The high working voltage makes them well suited for radio transmitters and valves remain in use today for very high power short wave radio transmitters, where solid state techniques would require many devices in parallel, and very high DC supply currents.
9.
At that point the user would need to determine if last working voltage and speed have satisfactorily lowered power consumption for their needs if not then performance must be sacrificed, a lower clock is chosen ( the underclock ) and testing at progressively lower voltages would continue from that point.
10.
The most commonly used format is : XYZ J / K / M V , where XYZ represents the capacitance ( calculated as XY ?10 Z pF ), the letters K or M indicate the tolerance ( ?0 % and ?0 % respectively ) and V represents the working voltage.
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