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Indirect optically controlled pseudomorphic HEMT based MMIC oscillator

Indirekt optisch gesteuerter MMIC Oszillator basierend auf pseudomorphen Heterostruktur-Feldeffekttransistoren
 

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22nd European Microwave Conference '92. Proceedings
Tunbridge Wells: Microwave Exhibitions and Publishers, 1992
S.702
European Microwave Conference (EuMC) <22, 1992, Espoo>
Englisch
Konferenzbeitrag
Fraunhofer IAF ()

Abstract
For the first time an indirect optically controlled monolithic integrated oscillator was fabricated and examined experimentally. The oscillator was designed for a frequency of about 7 GHz. By illuminating a 60x60 square mym photodiode by the light of a pigtailed laser diode (Lambda=840 nm), the free-running frequency of the oscillator was tunable in a range of more than 7 MHz. A locking range of more than 3 MHz was achieved. A phase shift in the output signal of nearly 180 degree has been observed.

: http://publica.fraunhofer.de/dokumente/PX-18153.html