Improved coupled-line microstrip circuit for L and S band oscillators
- 9 March 1972
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 8 (5) , 136-137
- https://doi.org/10.1049/el:19720098
Abstract
The coupled-bar microstrip circuit described here utilises a TRAPATT diode, and is ideally suited for systems applications such as i.f.f. transponder-transmitter sources and airborne altimeter sources. It is compact and rugged and allows high-efficiency operation. This circuit has delivered 150 W with 30% efficiency at L band, 150 W with 26% efficiency at 3.5 GHz, and 120 W with 19% efficiency at 3.85 GHz. The devices were operated with 0.5 μs pulses up to 1% duty cycle in a near jitterfree operation.Keywords
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