Radio frequency choke with RF performance and implementation network

作者: Semyon Lapushin

DOI:

关键词: Electrical engineeringAC powerEngineeringElectrical conductorElectronic engineeringChokeRadio frequencyShunt (electrical)RF connectorCable televisionParasitic capacitance

摘要: An RF choke is understood to be used in the cable television (“CATV”) systems separate signals from AC power signal, both of which initially co-exist when transmitted headend CATV system. The present invention, modified by separating predetermined number turns winding adjacent “hot” (RF/AC) side a circuit. By evenly spreading these each other with purpose reducing series parasitic capacitance between terminal and rest choke. A useful parallel resonance at high frequency range created. In addition, such being connected (in shunt) signal path affects its performance much lesser degree than prior art chokes. Because reduced parameters, invention can placed right (or on) AC/RF connector (terminal) PCB. This eliminates oversized conductive trace that implementations. Thus, this placement reduces parameter interference contributed now eliminated PCB trace, had sized carry up 25 Amps.