Comment on "Wavelength controlled photonic true time delay for wide-band applications"

2005 ◽  
Vol 17 (12) ◽  
pp. 2796
Author(s):  
N.A. Riza
Keyword(s):  
Time Delay ◽  
Wide Band ◽  
True Time Delay ◽  
True Time

Wide-Band True Time Delay Phase Shifter Devices

1987 ◽  
Author(s):  
P.R. Herczfeld ◽  
A.S. Daryoush ◽  
M. Kieli ◽  
S. SiegeI ◽  
R. Soref
Keyword(s):  
Time Delay ◽  
Phase Shifter ◽  
Wide Band ◽  
True Time Delay ◽  
True Time

scholarly journals Design of 4-Bit TDL(True-Time Delay Line) for Elimination of Beam-Squint in Wide Band Phased-Array Antenna

2009 ◽  
Vol 20 (10) ◽  
pp. 1061-1070
Author(s):  
Sang-Keun Kim ◽  
Min-Kil Chong ◽  
Su-Bum Kim ◽  
Hyung-Gi Na ◽  
Se-Young Kim ◽  
...  
Keyword(s):  
Time Delay ◽  
Phased Array ◽  
Delay Line ◽  
Wide Band ◽  
Array Antenna ◽  
Phased Array Antenna ◽  
True Time Delay ◽  
True Time

Wavelength-controlled photonic true time delay for wide-band applications

2005 ◽  
Vol 17 (5) ◽  
pp. 1076-1078 ◽  
Author(s):  
O. Raz ◽  
R. Rotman ◽  
M. Tur
Keyword(s):  
Time Delay ◽  
Wide Band ◽  
True Time Delay ◽  
True Time

scholarly journals A true-time-delay networks design technique

2014 ◽  
Vol 8 (2) ◽  
pp. 155-164 ◽  
Author(s):  
Alberto Leggieri ◽  
Davide Passi ◽  
Franco Di Paolo
Keyword(s):  
Time Delay ◽  
Numerical Solutions ◽  
Wide Band ◽  
Phase Shifters ◽  
Single Frequency ◽  
Phased Array Antenna ◽  
True Time Delay ◽  
X Band ◽  
True Time ◽  
Spatial Positioning

This paper proposes a technique to design wide band switched-line (SL) true-time-delay (TTD) networks, commonly used for phased array antenna (PAA) applications. This study investigates the constant-delay behavior of switched-line phase shifters based on single-pole double-throw (SPDT) switches. Circuit sizing starts by considering the effective S-parameters of the switches, to use their non-idealities as an integral part of the phase shift linearly dependent to the frequency and by considering, from the beginning, the possible spatial positioning of elements that allows the circuit feasibility as a design target. The aim of this study is to provide a technique suitable for the design of well-matched TTD networks with a flat delay in wide bandwidth. In this paper, we propose new design formulas for which we show a single-frequency implementation. A computational strategy is used to obtain numerical solutions of the derived equations with this study. Finally, a monolithic X-band TTD circuit example is shown.

scholarly journals Losses do not prevent wide band metamaterial true time delay line applications, GaAs MMIC experimental verification

2020 ◽  
Vol 14 (11) ◽  
pp. 1180-1184
Author(s):  
Quentin Herbette ◽  
Emmanuel Géron ◽  
Thierry Dichi ◽  
Grégoire Pillet ◽  
Jerome Lucas
Keyword(s):  
Time Delay ◽  
Experimental Verification ◽  
Delay Line ◽  
Wide Band ◽  
True Time Delay ◽  
True Time
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