Title :
Bipolar transversal filters with large sidelobe suppression implemented using WDM technologies
Author :
Ng, W. ; Persechini, D. ; Bourgholtzer, S.
Author_Institution :
HRL Labs. LLC, Malibu
Abstract :
A new RF-photonic transversal filter based on wavelength division multiplexed (WDM) technologies is reported. The tap-amplitudes of the bandpass filter were designed to be antisymmetric and arbitrarily reconfigurable. For 20-tap filters centred at 4.8 GHz, a sidelobe suppression of >30 dB, passband widths <470 MHz, and a linear insertion phase are demonstrated.
Keywords :
band-pass filters; interference suppression; radiofrequency filters; transversal filters; wavelength division multiplexing; RF-photonic filter; WDM technologies; bandpass filter; bipolar transversal filters; frequency 4.8 GHz; large sidelobe suppression; linear insertion phase; wavelength division multiplexed;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20083256
