The process design of CM509AP-2 dual 4-channel analogue switch and its circuit performance are introduced in the paper.

本文介绍了CM 509ap - 2双四选一模拟开关电路的工艺设计及电路性能。

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An intelligence switch box is designed by use of analogue electronic elements and digital electronic elements. The paper introduces the functions and working principle of the device.

用模拟电子元件和数字电子元件设计一种智能开关盒，介绍这种装置的作用和工作原理。

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The Olympian, Dame Mary Peters, has been asked to turn off the analogue switch at the Divis transmitter in Belfast.

BBC: Digital Switchover

According to Kenya's Daily Nation newspaper, the Consumer Federation of Kenya (Cofek) said the first notice about the analogue signal switch-off, planned for 31 December 2012, was given on 7 December 2012.

BBC: Kenyan digital TV switchover: Post-election date urged

Northern Ireland is the last part of the UK to make the switch from analogue.

BBC: Northern Ireland digital switch catches some on hop