antenna switch การใช้

Later, the device received a motor-driven antenna switch.
Information from the radio about its current frequency of operation can be used by contest logging software or external hardware devices known as "'band decoders "'to automatically configure the operation of amplifiers, antenna switches, filters, or other devices.
To support two way conversations on half duplex channels, analog radio frequency hardware antenna switches must be provided at each station location to connect and disconnect the transmitters and receivers from their antennas whenever the channel transmission control is turned over from one station to the other.
""'Semi break-in " is a technique used by stations where slow ( T / R ) antenna switches are controlled indirectly by the telegraph key "'which lack the faster switching of " full break-in " stations.