A circuit for two -wire system visible dialogue system's video signal transmits

The utility model discloses a circuit for two -wire system visible dialogue system's video signal transmits can effectively balance and uneven switch processing video signal to improve video signal's interference immunity. The utility model provides a pair of a circuit for two -wire system visible dialogue system's video signal transmits, include: be used for first resistance R1 and first electric capacity C1 with the video signal coupling, video signal passes through first resistance R1 and first electric capacity C1 in order, first electric capacity C1's the other end and a common mode inductance T1 are connected. 本实用新型公开了种用于二线制可视对讲系统的视频信号传输的电路，能够有效对视频信号进行平衡与不平衡转换处理，从而提高视频信号的抗干扰性。本实用新型提供的种用于二线制可视对讲系统的视频信号传输的电路，包括：用于将视频信号耦合的第电阻R1和第电容C1，视频信号顺次经过第电阻R1和第电容C1；第电容C1的另端与第共模电感T1连接。