RCA Video Isolator Monitoring Video Anti interference AV Video Filter Eliminating Strong Electric Horizontal Snowflake Noise Suppressor
نظرة عامة على المنتج:
عزل فيديو حلقة الأرض, also known as ground loop audio video isolator, يستخدم بشكل أساسي للتخلص من التداخل في فيديو CCTV (أو الصوت) الإشارات الناجمة عن جهد حلقة الأرض. Ground loop/ground loop interference is an electronic interference phenomenon mainly caused by the different potential between the two terminals of a video cable. Due to the selection of different video signal reference ground potentials for video cables, the interference caused by AC current circuit mainly occurs in the shielding layer of video cables and the shell of video equipment.
عادة, جهد الطبقة التدريبية هو 0 فولت. When the local circuit/ground loop phenomenon exists, سوف يتقلب المستوى حوالي 0 فولت, and more seriously, it will cause serious distortion and tearing of the video signal, accompanied by interference phenomena such as horizontal lines, mesh lines, and snowflakes. عندما تتجاوز مسافة نقل إشارة الفيديو 100 متر, it is easy to generate high ground loop voltage. إذا كان جهد حلقة الأرض مرتفعًا جدًا, it may even cause the equipment to be burned.
Single channel video ground circuit isolation anti-interference device, which can handle balanced audio or balanced video signals that need to be isolated from the input and output calmly. في نفس الوقت, it also integrates a common mode interference filter internally to eliminate interference signals from the transmission cable. The converted non balanced signals can be directly connected to the unbalanced input end of audio and video.
غالبًا ما يتم استخدامه في مقاطع الفيديو المراقبة, home audio, غرف الكمبيوتر, recording rooms, سيارات عكس الصور, KTVs, الحانات, car audio, and other image interference caused by common interference, مثل المشارب, ضوضاء ندفة الثلج, horizontal lines, ارتعاش الصورة, شبكة, image tearing, and a series of common ground interference.
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