High-speed analogue multiplexer using s.a.w. technology

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High-speed analogue multiplexer using s.a.w. technology

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© The Institution of Electrical Engineers
Published

A new type of high-speed analogue multiplexer is described that utilises surface-acoustic-wave (s.a.w.) technology. The device operation is based upon the conversion of P parallel analogue control inputs into a serial-output amplitude-modulated pulse train superimposed on a v.h.f. carrier. Experimental results are presented for a 10-channel prototype device with a sampling rate near 1 MHz and a modulation dynamic range exceeding 50 dB. The feasibility of achieving 100-channel operation at sampling rates up to 100 MHz is discussed.

Inspec keywords: multiplexing equipment; surface acoustic wave devices

Other keywords: SAW; analogue multiplexer; surface acoustic wave technology

Subjects: Telecommunication applications; Acoustic wave devices

References

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      • Grudkowski, T.W., Reeder, T.M.: `Programmable transversal filtering using nonlinear tapped delay lines', # 77CH1264-1SU, Proceedings of the IEEE ultrasonics symposium, October 1977, p. 710–714.
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      • J.G. Graeme , G.E. Tobey , L.P. Huelsman . (1971) , Operational amplifiers.
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      • T.W. Grudkowski , T.M. Reeder . Programmable p.s.k. diode convolver. Electron. Lett. , 186 - 187
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