Model BNC-XCN Features: Isolation for Time Code Input Improves Noise Immunity Reduces Common Mode Noise Provides DC Isolation between Transmitter and Receiver Circuits   Product Description TThe BNC-XCN Isolation Transformer, or Transformer Coupling Adaptor, provides isolation for IRIG B time code input and improves noise immunity. This unit incorporates a balanced 600 ohm transformer interface. Transformer coupling reduces common mode noise. It provides DC isola-tion between the transmitter and receiver circuits. General Product Specifications General Specifications Longitudinal Balance: (FCC 68.310) – 60 dB min. 200—1000 Hz 45 dB min. 1000—4000 Hz 60 dB min. 200—1000 Hz 45 dB min. 1000—4000read more