| 摘要 |
FIELD: electric communications. SUBSTANCE: transmitting part of device has input filter, comparison circuit, three-bit shift register, logical circuit, syllable filter, amplitude-pulse modulator, integrator, clock, receiving part of device has three-bit shift register, logical circuit, syllable filter, amplitude-pulse modulator, integrator, output filter and clock. In addition device has analyzer for checking validity of information to be transmitted. Transmitting part of analyzer has commutator, pulse generator, synchronization signal generator, control unit, receiving part of device has commutator, comparison circuit, error counter, digital-to-analog converter, detector of synchronization signals and comparison circuit. In addition device has controlled amplifier. Device may be used for interface between telephone systems and voice encoding converters. EFFECT: increased functional capabilities. |
