coupling capacitor


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coupling capacitor

[′kəp·liŋ kə′pas·əd·ər]
(electronics)
A capacitor used to block the flow of direct current while allowing alternating or signal current to pass; widely used for joining two circuits or stages. Also known as blocking capacitor; stopping capacitor.
References in periodicals archive ?
WiseGuyReports have announced the addition of a new report titled "2019 Global and Regional Low Frequency Coupling Capacitor Market Research Report Forecast 2025".
I think I probably had the same expression on my face like that of my non-audiophile friends, when I sit them down and tell them to listen for the way the blackness between notes is distinctly different when I swap the coupling capacitor to a silver-gold in oil.
System setting Grid voltage [V.sub.s] 220 V Source inductor [L.sub.s] 0.1 mH Inductive-coupling VSI Coupling Inductor (L) 8 mH dc-link voltage ([V.sub.dc]) 370 V Capacitive-coupling VSI Coupling capacitor (Cc) 130 uF Coupling inductor ([L.sub.c]) 3.5 mH dc-link voltage ([V.sub.dc]) 160 V TABLE 4: Simulation results without harmonics compensation.
An interdigital coupling capacitor is placed on the zero-voltage point of the third harmonic along the resonators.
The coupling capacitor blocks (i.e., D and E) represent the mutual coupling effect, which excites the middle CDRA.
The definition of the elements in the diagram such as the transformer T, the unit element [Y.sub.ue] and the coupling capacitor [Y.sub.c] are given in Appendix.
The first factor accounts for the activity of the second integrated circuit ([I.sub.2] = 1A or [I.sub.2] = 0 A), and the second factor is the influence of the coupling capacitor values between the two circuits (test of several values: Figures 7 and 8).
The definitions of transformer T, the unit element [Y.sub.ue], and the coupling capacitor [Y.sub.c] are given in (1) to (5) to represent the 3-port coupled-line section while the 3[Z.sub.r] and reconfigured capacitor [C.sub.r] represent the ring lines and the tuning elements, respectively.
By introducing inner coupling capacitor, the filter size is largely miniaturized and the Q value is improved.
Note that the capacitor formed by the microstrip patch, CPW spiral conductor and the ground, the equivalent circuit of the proposed filter is shown in Figure 2(a), in which [L.sub.1] represents the spiral conductor, [C.sub.4] denotes the coupling capacitor between the spiral structure and microstrip patch, [C.sub.2] represents the capacitor between the microstrip patch and the ground.
[C.sub.1] is a coupling capacitor, [L.sub.1] is an RF choke and [C.sub.2] is a capacitor providing AC ground.
Unless there is a large dc voltage present on the input side of the ac coupling capacitor, nonpolarized capacitors should be used.