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Design And Implementation Of Multi-Hormonics RF Wave Generator Using Lumped-Element Components

Author(s): Ray K P | Pandey H K | Chakrabarti A

Journal: IETE Journal of Research
ISSN 0377-2063

Volume: 53;
Issue: 2;
Start page: 165;
Date: 2007;
Original page

Triangular and Saw tooth wave generation at RF frequency is one of the important tasks for the design of buncher circuit in particle accelerators to increase the bunching efficiency. On the basis of Fourier series method different non-sinusoidal signals like triangular, saw tooth etc. are generated with combination of harmonics of sinusoidal signal with different amplitude and phase. These multi harmonic non-sinusoidal waves can be generated using passive RF components like phase-shifter, hybrid-coupler, power combiner/divider etc. This paper deals with lumped element approach for design and implementation of line phase shifter, 3-dB hybrid coupler and power divided/combiner, which have been used for the generation of triangular and saw tooth wave forms at 25 MHz. The ABCD (transfer) matrix formulation is used for the analytical prediction of the performance of these components. Experiments have been carried out to validate the analytical results.
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