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1992
Journal Article
Title
Initial observations of optical injection locking of oscillators using heterojunction bipolar transistors.
Other Title
Erste Beobachtungen zur optischen Synchronisation von Oszillatoren mit Heterobipolartransistoren
Abstract
For the first time, optical phase control of a hybrid heterojunction bipolar transistor (HBT) oscillator has been achieved. The results strongly indicate that the HBT is a suitable device for optically controlled oscillators. At a frequency of oscillation of 500 MHz a locking range of more than 15 MHz was measured (Delta f/f = 3 percent). The optical tuning range of the oscillator exceed 25 MHz.