Capacitive coupling

From HwB

(Difference between revisions)
(New page: A capacitor is used together with the internal resistor of the input (input impedance) as a high-pass filter. DC component of the signal will be removed. A 220 uF electro capacitor rated ...)
 
 
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DC component of the signal will be removed.
 
DC component of the signal will be removed.
  
A 220 uF electro capacitor rated for 6.3V is typical for video signals.
+
A 220 µF electrolyte capacitor rated for 6.3V is typical for video signals.
  
 
                       +          Video display
 
                       +          Video display

Latest revision as of 17:52, 21 June 2007

A capacitor is used together with the internal resistor of the input (input impedance) as a high-pass filter. DC component of the signal will be removed.

A 220 µF electrolyte capacitor rated for 6.3V is typical for video signals.

                      +           Video display
Video source ---------||---------O--===---GND
                     220uF          75Ω