Self Adaptive Microwave Filters

Middleditch, Steve; Hunter, I.C.; Pollard, R.D.

doi:10.1109/mwsym.2006.249438

Cited by 3 publications

(3 citation statements)

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“…A FSO is created when a feedback loop is added to the Self Adaptive Filter (SAF) circuit described in [2]- [4]. The short term transient behaviour of the system is described thus [3], After many recirculations of the signal within the system described in fig.1, the signal is defined as;…”

Section: B System Transfer Functionsmentioning

confidence: 99%

“…Previous research into these systems employed the concept of "linear frequency networks", where non-linear circuit components can be shown to perform linear operations on the Instantaneous Frequency (IF) of a signal [2]- [4]. In [2] a FSO was built and tested over the range 400 to 600 MHz.…”

Section: Introductionmentioning

confidence: 99%

“…In [2] a FSO was built and tested over the range 400 to 600 MHz. With the advances achieved in RF systems, commercially available microwave components mean that realisations of these devices may be built at higher frequencies [4].…”

Section: Introductionmentioning

confidence: 99%

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Microwave Frequency Set-on Oscillators

Middleditch

Hunter

Pollard

2006

2006 European Microwave Conference

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This paper describes the development of a frequency set-on oscillator that will sustain oscillations set up by an instruction pulse injected into the circuit. These oscillations are set-up at the modal frequency closest to the frequency of the instruction pulse injected, where the spacing of the modes is determined by the delay time. Seven modes of oscillation in the frequency range 9.85 to 10.05 GHz were achieved with an output power of 13 dBm employing a delay line of 50 nS, giving a modal spacing of 20MHz.

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Section: B System Transfer Functionsmentioning

confidence: 99%