SU497743A1 - Device for measuring the timing of communication systems with pulse code modulation and time division of channels - Google Patents
Device for measuring the timing of communication systems with pulse code modulation and time division of channelsInfo
- Publication number
- SU497743A1 SU497743A1 SU2034011A SU2034011A SU497743A1 SU 497743 A1 SU497743 A1 SU 497743A1 SU 2034011 A SU2034011 A SU 2034011A SU 2034011 A SU2034011 A SU 2034011A SU 497743 A1 SU497743 A1 SU 497743A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- channels
- measuring
- timing
- communication systems
- time division
- Prior art date
Links
Landscapes
- Synchronisation In Digital Transmission Systems (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Description
левого плеча - переводит в другое состо ние триггер 4, импульс с выхода которого открывает схему «И 5. При этом на вход счетчика 6 поступают импульсы с генератора 8, количество которых определ ет врем поиска состо ни синхронизма системы. Сбой синхросигнала переводит систему ИКМ в режим синхронизации , а узел 1-в рабочее состо ние. После того, как синхронизм в системе будет восстановлен, узел 1 возвращаетс в исходное состо ние. При этом триггеры 3 и 4 перевод тс в состо ние, при котором схема «И 5 закрыта , а счетчик 6 остановлен. Таким образом измер етс врем вхождени в синхронизм.the left arm transfers the trigger 4 to another state, the pulse from the output of which opens the "AND 5" circuit. At the same time, the input of the counter 6 receives pulses from the generator 8, the number of which determines the search time of the system synchronism state. The synchronization signal failure switches the PCM system to the synchronization mode, and the node 1 to the operating state. After the synchronism in the system is restored, node 1 returns to its original state. In this case, the triggers 3 and 4 are transferred to a state in which the ' 5 circuit is closed and the counter 6 is stopped. In this way, the acquisition time is measured.
Предмет изобретени Subject invention
Устройство дл измерени времени вхождени в синхронизм систем св зи с импульснокодовой модул цией и временным делением каналов, содержащее узел фиксации состо ни системы синхронизации, выход которого через чейку запрета подключен к раздельному входу триггера управлени передатчика, выход которого подключен ко входу триггера блокировки, выход которого через схему «И подключен ко .входу счетчика импульсов, а также задающий блок, отличающеес тем,A device for measuring the entry into synchronization of communication systems with pulse code modulation and time division of channels, which contains a node for fixing the state of the synchronization system, the output of which is through a prohibition cell connected to a separate control trigger input of the transmitter whose output is connected to the lock trigger trigger output through the circuit "And is connected to the input of the pulse counter, as well as the master unit, characterized by
что, с целью повышени точности измерени времени вхождени в синхронизм, выход задающего блока подключен ко второму входу счетчика импульсов и ко второму входу чейки запрета, к упом нутому входу которой подключены другие входы триггеров управлени передатчика и блокировки, а ко второму входу схемы «И подключен выход генератора тактовых посылок.that, in order to increase the accuracy of the acquisition time, the output of the driver unit is connected to the second input of the pulse counter and to the second input of the prohibition cell, to the above input of which other inputs of the transmitter control and interlock triggers are connected, and clock generator output.
К neftedafnw/fi/ От npuef Hu/fo синхросигнала синх/}осиено/гаTo neftedafnw / fi / From npuef Hu / fo sync sync /} oseno / ha
Т 1T 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2034011A SU497743A1 (en) | 1974-06-04 | 1974-06-04 | Device for measuring the timing of communication systems with pulse code modulation and time division of channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2034011A SU497743A1 (en) | 1974-06-04 | 1974-06-04 | Device for measuring the timing of communication systems with pulse code modulation and time division of channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU497743A1 true SU497743A1 (en) | 1975-12-30 |
Family
ID=20587771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU2034011A SU497743A1 (en) | 1974-06-04 | 1974-06-04 | Device for measuring the timing of communication systems with pulse code modulation and time division of channels |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU497743A1 (en) |
-
1974
- 1974-06-04 SU SU2034011A patent/SU497743A1/en active
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