Results 11 to 20 of about 43,172 (307)
Tunable Active Band-Pass RC-Filter [PDF]
Известия высших учебных заведений России: Радиоэлектроника, 2018 This article provides a technique for design and simulation of an active second order band-pass filter with lineal tuning of Q-factor and independent tuning over a wide range of resonant frequency and transfer coefficient. The tunable band-pass RC-filter
Yu. M. Inshakov, A. V. Belov
doaj +3 more sources
Tunable ring resonator filter for OFDM Transmission systems [PDF]
, 1995 A novel tunable filter is theoretically demonstrated. It is based on a ring resonator with an amplifier and a noise filter in the loop. This optoelectronic device has potential as a high-sensitivity receiver and as a tunable demultiplexer in OFDM ...
López Amo, Manuel +2 more
core +1 more source
Measurements On Passive Tunable Optical Filters For DWDM [PDF]
, 2002 WFOPC 2002 IEEE/LEOS Workshop on Fibre and Optical Passive Components, University of Glasgow, Scotland, on 5th-6th June 2002.Measurements on a passive optical fibre tunable filter are presented.
Sánchez-Pena, José Manuel +3 more
core +1 more source
Tunable Optical Filters Using Compound Ring Resonators for DWDM [PDF]
, 2003 The device is based on a loop mirror in a ring resonator. The loop mirror allows tuning by changing the coupling coefficient of a directional coupler. The loop mirror is implemented using a Sagnac configuration to have the same optical path between the ...
Sánchez-Pena, José Manuel +3 more
core +1 more source
Dual-Band Tunable Recursive Active Filter [PDF]
, 2011 This letter presents a novel recursive active filter topology that provides dual-band performance, with independent tuning capability in both bands. The dual-band operation is achieved by using two independent feedback lines.
García Pérez, Oscar Alberto +7 more
core +2 more sources
Tunable photonic crystal filter for terahertz frequency applications [PDF]
, 2003 In this Paper we investigate a tunable metallic photonic crystal filter with a novel mechanical tuning method, suitable for use in terahertz frequency applications.
Blaikie, R.J. +5 more
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High linearity microstrip bandpass filter with electronically tunable notch [PDF]
, 2013 A high linearity reconfigurable bandpass filter embedded with a tunable notch structure has been presented for future wideband wireless communication applications. A single varactor diode (BB135-NXP) is used for the purpose of tuning the notch.
Budimir, D. +2 more
core +1 more source
Frequency-Tunable and Pattern Diversity Antennas for Cognitive Radio Applications
International Journal of Antennas and Propagation, 2014 Frequency-tunable microstrip antennas, for cognitive radio applications, are proposed herein. The approach is based on tuning the operating frequency of a bandpass filter that is incorporated into a wideband antenna.
A. H. Ramadan +4 more
doaj +1 more source
IEEE Photonics Journal, 2017 We present a new tunable all-fiber compact multimode fiber (MMF)-based filter and its applications in fiber sensors. Using the matrix optics approach, we theoretically analyze the transmission characteristics of the tunable filter.
Li Wei +3 more
doaj +1 more source
Sagnac loop in ring resonators for tunable optical filters [PDF]
, 2005 General filter architecture using co- and counterpropagation signals are studied. A specific configuration based on a Sagnac loop within a ring resonator is analyzed.
Sánchez-Pena, José Manuel +2 more
core +1 more source