This compact supply filter helps clean up dirty DC power that often causes lines in wireless video images. the filter is an lc type that uses large value inductor and capacitor components. their values are robust enough to remove moderate amounts of power supply noise.
The filter reduces DC-DC switcher supply ripple and helps clean noisy power from a shared battery. For example, if your robot or R/C model's 12V motor battery also powers the video camera and A/V transmitter, then this LC filter can help reduce the video "noise" that may appear when the motor is running.
Note: Installations with severe power supply noise may not be fully cured with this filter. In such cases a shared battery should be avoided.
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