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A circuit topology for a fixed frequency oscillator based on Composite-/Right-/Left-Handed distributed amplifier is proposed. For this topology, it is demonstrated that each transistor contributes equally to the output power. The oscillation condition is introduced, too. The oscillator has been designed and fabricated for a frequency of oscillation equal to 2.8GHz. The experimental and simulated results...
A design method for the balanced Composite Righ-/Left-Handed (CRLH) is proposed and validated numerically. The method is developed for a CRLH equivalent circuit which takes into account the resonance frequency of the series capacitors, while the parallel resonator is specified by its admittance which may be particularized for any practical implementation. Numerical results are presented for three...
In the above-named work [ibid., vol. 60, no. 7, pp. 2073??2084, Jul. 2012], the problem of impedance matching using one transmission line of characteristic impedance Zc and electrical length θ, inserted between two impedances, ZL = RL + jXL and ZS = RS + jXS, is analyzed. In the same paper, the allowed regions for impedances ZL which may be transformed into real impedance ZS</sub are displayed...
Starting from the common 4-port configuration of CRLH (Composite Right/Left Handed) based Differential Phase Shifter (DPS), by connecting the two input ports, a 3-port configuration is proposed. Both DPS topologies are analyzed by means of an analytical approach and design procedure is proposed. The 3-port DPS has a convenient topology for application such as antenna phased array feeding circuits...
The possibility to use CRLH (Composite Right/Left-Handed) cells to realize both distributed wide-band filters for linear signal processing and non-linear devices like frequency doublers is investigated analytically and numerically. Full-wave electromagnetic simulations are performed for the filtering structure by means of a commercial software package and confirm the validity of the analytic results...
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