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Sensitivity improvement of Phase-Noise Measurement of mcrowave oscillators using if delay line based discriminator

Salehi Barzegar, A ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1109/LMWC.2016.2575003
  3. Publisher: Institute of Electrical and Electronics Engineers Inc
  4. Abstract:
  5. The conventional delay-line discriminator method for phase noise measurement is modified to achieve better sensitivity. In the proposed technique, to decrease delay-line loss, the under-test oscillator's microwave frequency is down-converted by another oscillator, and delay-line is implemented in the IF range. Full validation of the technique is presented. In adition, we experimentally demonstrate that system sensitivity is considerably improved compared to the conventional method
  6. Keywords:
  7. Delay line frequency discriminator ; Phase noise measurement ; Acoustic noise measurement ; Discriminators ; Microwave oscillators ; Conventional methods ; Delay-line discriminators ; Sensitivity improvements ; System sensitivity ; Phase noise
  8. Source: IEEE Microwave and Wireless Components Letters ; Volume 26, Issue 7 , 2016 , Pages 546-548 ; 15311309 (ISSN)
  9. URL: http://ieeexplore.ieee.org/document/7490336