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Resonant-tunnelling diode oscillator using a slot-coupled quasioptical open resonator

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6 Author(s)
Stephan, K.D. ; Lincoln Lab., MIT, Cambridge, MA, USA ; Brown, E.R. ; Parker, C.D. ; Goodhue, W.D.
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A resonant-tunnelling diode has oscillated at X-band frequencies in a microwave circuit consisting of a slot antenna coupled to a semiconfocal open resonator. Coupling between the open resonator and the slot oscillator improves the noise-to-carrier ratio by about 36 dB relative to that of the slot oscillator alone in the 100-200 kHz range. A circuit operating near 10 GHz has been designed as a scale model for millimetre- and submillimetre-wave applications.

Published in:

Electronics Letters  (Volume:27 ,  Issue: 8 )