Signal generator

Details Signal generator Signal generator

H - Electricity

04

B

328/97

H04B 1/66 (2006.01) H02J 13/00 (2006.01) H04B 1/713 (2006.01)

Patent

CA 1261009

ABSTRACT OF THE DISCLOSURE A signal generator produces a spread-spectrum bandwidth signal in the frequency range 40 to 90KHz for use in a domestic mains signalling system. In the generator, sixteen individual frequencies, equi-spaced in that range, pass to samplers operating at a clock frequency of 204.8KHz and then to quantisers before storage. The resultant signals are then assembled in appropriate manner by selector switch before being filtered when (temporarily) in the frequency domain. The resultant signals duly reach catalogue store, whose output can be used for programming an EPROM in a mains signalling interface unit.

503897

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