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The system is one in which the switching apparatus and the subscribers' line circuit are electronically controlled, the actual connections being made by 100-point power-driven rotary switches.

Satellites with directional instrumentation, such as the antenna system of the communications satellites, require attitude control to keep this instrumentation properly on target.

Describes the basic circuits used in a 2000-line partially electronic exchange. In the interests of both dissipation and reliability only a relatively small number of thermionic tubes is used.

I T IS the object of this chapter to show some of the fundamental considerations involved that govern the design of mountings or holders of quartz crystals.

Slow release relays are built and adjusted to provide a time delay between the opening of the coil circuit and the release motion which restores the contacts to their unoperated condition.

Substrate noise injection is evaluated for a 0.25-mu m CMOS technology, to determine the mechanisms that contribute to substrate crosstalk.

Tacan is a polar coordinate aid to air navigation working in the 1000 Mc/s band.

This is an invited review article for Journal of Material Chemistry.

Printed electronics ecosystem for future wireless networks is evolving. In Finland and particularly in Oulu region there is several piece ready and more is coming, like Oulu Radio Park.

This TM is an invited contribution to the Israel Journal of Chemistry.

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