MINIATURIZED VERSION OF SIGNALLING SYSTEM A. C. No. 9.

被引：0
|
作者：
Hill, R.A.
Gee, J.H.
机构：
来源：
Post Office Electrical Engineers' Journal | 1973年 / 65卷 / Part 4期
关键词：
TELEPHONE EQUIPMENT;
D O I：
暂无
中图分类号：
TN91 [通信];
学科分类号：
0810 ; 081001 ;
摘要：
At the present time, the main in-band signaling system in the British Post Office (B. P. O. ) national trunk network is Signaling System Alternating Current (S. S. A. C. ) No. 9. The B. P. O. has developed a miniaturized version of this signaling system which increases the packing density and mean-time-between-failures while reducing the power consumed. This article describes the technology and circuitry of the miniaturized S. S. A. C. No. 9 equipment and also its physical realization.
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页码：216 / 227
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