Capacitance hat, horizontal wires at the top of a T-antenna
Capacitance hat, a network of rounded wires at the top of a mast radiator
Topics referred to by the same term
This disambiguation page lists articles associated with the title Capacitance hat. If an internal link led you here, you may wish to change the link to point directly to the intended article.
shorter than a quarter wavelength – the horizontal wire serves as a "capacitancehat" to increase the current in the vertical radiator, improving the efficiency...
short masts must be used, a capacitive topload (also known as top hat or capacitancehat) is sometimes added at the top of the mast to increase the radiated...
value of capacitance, but adjustable capacitors are frequently used in tuned circuits. Different types are used depending on required capacitance, working...
only small capacitance values could be realized. The expanding market of radios in the 1930s and 1940s create a demand for higher capacitance values but...
Guy (structural engineer). It has a 50-foot-wide (15 m) top-loading "capacitancehat", which electrically extends the tower's height another 75 feet (23 m)...
much higher capacitance-voltage (CV) product per unit volume than ceramic capacitors or film capacitors, and so can have large capacitance values. There...
itself from other conventional and electrolytic capacitors in having high capacitance per volume (high volumetric efficiency) and lower weight. Tantalum is...
electrostatics, the permittivity plays an important role in determining the capacitance of a capacitor. In the simplest case, the electric displacement field...
={\sqrt {1 \over LC}}} where L is the inductance in henries, and C is the capacitance in farads. The angular frequency ω {\displaystyle \omega \,} has units...
electrostatic storage of charge induced by voltages between conductors (capacitance). The impedance caused by these two effects is collectively referred...
and also those with widest range of sizes, capacitance and voltage values. They are made with capacitance values from 0.1 μF up to 2,700,000 μF (2.7 F)...
capacity C ∗ {\displaystyle C^{*}} is expressed as c ^ {\displaystyle {\hat {c}}} . From the definition of entropy T d S = δ Q {\displaystyle TdS=\delta...
per picofarad) (i.e., current divided by capacitance). Techniques exist to empirically measure capacitance and surface area of cells, which enables calculation...
two in an auxiliary field. It plays a major role in topics such as the capacitance of a material, as well the response of dielectrics to electric field...
reduce the voltage within the surface, to an extent depending on the capacitance; however, full cancellation does not occur. If charge +Q is placed inside...
Because the capacitance of the plates is inversely proportional to the distance between them, the vibrations produce changes in capacitance. These changes...
material and thus influences many other phenomena in that medium, from the capacitance of capacitors to the speed of light. It is defined as the constant of...
other medical devices. The calculation of the intrinsic inductance and capacitance cannot be done using those for the conventional solenoids, i.e. the tightly...
surprising to think of measuring capacitance in centimetres. One useful example is that a centimetre of capacitance is the capacitance between a sphere of radius...
rating of the transformer. Vacuum tube rectifiers specify the maximum capacitance of the input capacitor, and SS diode rectifiers also have current limitations...
{\displaystyle C_{J}} is the capacitance associated with the Josephson junction, and q {\displaystyle q} is the charge on the junction capacitance. For each potential...
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