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A new differential periodic transmission line with broad common-mode suppression is presented. The unit cell consists of a hybrid microstrip-coplanar waveguide structure involving two symmetrical edge-coupled microstrip lines coupled to a coplanar waveguide resonator etched in the ground plane. Transmission-line models have been used to analyze the structure response in both the differential and common...
The integration of mixed signal circuits in Systems on Chip is a trend in modern systems and applications with important challenges. In particular, the simulation of this kind of systems is a very time-consuming process that is becoming more and more complex due to the size of current designs. This paper describes a HW/SW co-simulation environment for mixed-signal circuits. The analog components are...
This paper is focused on the analysis of the propagation characteristics of periodic structures consisting of a host line loaded with split ring resonators (SRRs). It is well known that these structures exhibit stop band functionality in the vicinity of the resonance frequency of the SRRs, and propagation is forward in the transmission bands. However, by enhancing inter-resonators' coupling the forbidden...
Differential (balanced) microstrip bandpass filters (BPFs) implemented by combining open split ring resonators (OSRRs) and open complementary split ring resonators (OCSRRs) are proposed. The OSRRs are series connected in both strips of the differential line, whereas the OCSRRs are paired face-to-face and connected between both line strips in a symmetric configuration. For the differential mode, the...
This paper proposes a large signal model for generic DC/DC converters that copes with both CCM and DCM modes. In the model, both the peak and the valley current of the inductor are also modeled. The mode change is detected dynamically by sensing the zero crossing of the valley current. The peak value needs some specific detection system to avoid mismatches during large transients. Voltage and current...
A novel microstrip differential transmission line for broadband common-mode rejection is proposed. The basic unit cell of the artificial transmission line consists of a pair of coupled lines with a slot in the ground plane in which a conductor patch has been etched. This patch is symmetrically series connected to the ground plane by means of high impedance lines that act as inductors. The structure...
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