Cascaded bandpass vth-law devices

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Cascaded bandpass vth-law devices

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© The Institution of Electrical Engineers
Published

The effect of the n-cascaded bandpass vth-law devices on the sum of a strong signal and a weak signal is analysed. It is shown that if any of the nonlinear devices is a hard-limiter, the n-cascaded nonlinearities have the same effect as that of a single hard-limiter. If two such cascaded nvth-law devices (differing in at least one vth-value) or two complex bandpass nonlinearities are connected in parallel, we obtain the generalised form of a ‘power-division’ multiplex system which utilises a feed-forward across a limiter technique.

Inspec keywords: limiters; signal processing; nonlinear network analysis

Other keywords: n-cascaded bandpass vth-law devices; nonlinear devices; n-cascaded nonlinearities; hard-limiter; power division multiplex system; bandpass nonlinearities

Subjects: Nonlinear network analysis and design; Signal processing and detection

References

    1. 1)
      • E.J. Baghdady . New developments in FM reception and their application to the realization of a system of “power-division” multiplexing. IRE Trans. , 147 - 161
    2. 2)
      • C.N. Berglund . A note on power-law devices and their effect on signal-to-noise ratio. IEEE Trans. , 52 - 58
    3. 3)
      • N.M. Blachman . The effect of a large signal upon a small signal in a memoryless nonlinear bandpass amplifier. IEEE Trans. , 72 - 73
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