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Generator of band test signal based on synchronous amplitude manipulation

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1 Author(s)
Ociepka, J. ; Inst. of Biomed. & Meas. Eng., Wroclaw Univ. of Technol., Wrocław, Poland

An electronic circuit for the generation of a periodic band test signal is presented. The operating principle of the proposed circuit is based on synchronous manipulation of the amplitude of the carrier signal by a pseudorandom sequence that produces a signal of a wide spectrum around the carrier frequency. Synchronisation is obtained by deriving the binary modulating signal from a carrier frequency by means of a frequency divider. A control digital signal for synchronous sampling is also provided with a dedicated timing circuitry.

Published in:

Electronics Letters  (Volume:46 ,  Issue: 20 )