| 摘要 |
FIELD: equipment for wire communication. SUBSTANCE: device equipment which is located at broadcasting station has six frequency converters, pilot-signal generator, wide-band amplifier. Device equipment which is located at relay station has four band- pass filters, three power amplifiers, pilot signal amplifier, generator of signals for frequency channels. User receivers has three-program wire-broadcasting receivers and unit for receiving additional programs. EFFECT: decreased number of connection lines. |
