channel-separation
channel-to-channel
chaperon
chapman
character
character-based
character-controlled
character-generation
character-indicator
charactering
  characteristic
characteristic-impedance
characterplexing
character-recognition
character-writing
charactron
charge
chargeable
charge-carrier
charge-carrying
charge-control

    characteristic admittance

     характеристическая проводимость (напр. фильтра)

     волновая проводимость (о линии передачи)