Recent advances in analog signal processing

Grant, Peter; Withers, R.S.

doi:10.1109/7.102716

Cited by 7 publications

(2 citation statements)

References 106 publications

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“…The time delay represents the sampling period, and is the processed frequency bandwidth. Digital electronic delay lines allows one to process signals with a rather large number of sampling points (up to 10 -10 ), but with a frequency bandwidth limited to the low and intermediate frequencies (100 MHz-1 GHz) [11]. Therefore, processing of the whole 20-GHz bandwidth is not possible, and is done successively over intervals of a few gigahertz.…”

Section: Transversal Filteringmentioning

confidence: 99%

Optical architectures for programmable filtering and correlation of microwave signals

Dolfi¹,

Tabourel²,

Durand³

et al. 1997

IEEE Trans. Microwave Theory Techn.

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New optoelectronic architectures are presented, based on parallel delay lines, performing programmable filtering of microwave signals. According to current performances of optoelectronic components, they can process optically carried microwave signals over frequency bandwidths as large as 20 GHz, with a time-frequency product up to 10 3 . The operating principle of these structures is detailed and followed by the preliminary experimental demonstration at 1.3 GHz of a 53-dB rejection filter.

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Section: Transversal Filteringmentioning

confidence: 99%

Optical architectures for programmable filtering and correlation of microwave signals

Dolfi¹,

Tabourel²,

Durand³

et al. 1997

IEEE Trans. Microwave Theory Techn.

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show abstract

“…Digital electronic delay lines permit processing of signals with a rather large number of samplings (up to 10 2 -10 3 ) but with a frequency bandwidth B limited to the low and intermediate frequencies (100 MHz-1 GHz). 8 Therefore processing of the whole 20-GHz bandwidth is not possible and is done successively over intervals of a few gigahertz. On the other hand, optical f iber delay lines present the advantage of enabling one to process signals over a large frequency bandwidth, but they are generally implemented with a reduced number of sampling points (10-100) (Refs.…”

mentioning

confidence: 99%

Optical architecture for programmable filtering of microwave signals

Durand¹,

Dolfi²,

Laude³

et al. 1996

Opt. Lett.

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We present a new optoelectronic architecture, based on parallel canceled delay lines, that performs programmable filtering of microwave signals. The new architecture can process optically carried microwave signals over frequency bandwidths as large as 20 GHz, with a time-frequency product up to 10(3). The operating principle of this structure is detailed, followed by the preliminary experimental demonstration at 1.2 GHz of a 40-dB rejection filter.

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Wideband Analog Signal Processing

Withers

1990

Superconducting Devices

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Recent advances in analog signal processing

Cited by 7 publications

References 106 publications

Optical architectures for programmable filtering and correlation of microwave signals

Optical architectures for programmable filtering and correlation of microwave signals

Optical architecture for programmable filtering of microwave signals

Wideband Analog Signal Processing

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