Gm- and Swing-Enhanced Colpitts VCO by Optimization of Capacitance Ratio

2020 ◽  
Vol 30 (10) ◽  
pp. 977-980
Author(s):  
Chang-Woo Lim ◽  
Tae-Yeoul Yun
Keyword(s):  
Capacitance Ratio

RESEARCH OF METHODS FOR DECREASE OF THE CAPACITANCE RATIO IN THE STW-RESONATORS

2021 ◽  
pp. 43-56
Author(s):  
S. A. Dobershtein ◽  
N. M. Zhilin ◽  
I. V. Veremeev
Keyword(s):  
Experimental Data ◽  
Quality Factor ◽  
Quality Factors ◽  
Topology Change ◽  
Series Connection ◽  
Capacitance Ratio ◽  
And Topology

This paper presents the research of methods for decrease of the capacitance ratio in the STW-resonators without significant degradation of the quality factor by use of the external inductors and topology change: IDT division on parts and their series connection. The calculated and experimental data are presented for 416 MHz and 766 MHz STW-resonators with quality factors Q = 7000–7978. The capacitance ratio has been reduced from 1200 to 301.

Final report of the supplementary comparison EURAMET.EM-S31 comparison of capacitance and capacitance ratio

Metrologia ◽  
2017 ◽  
Vol 54 (1A) ◽  
pp. 01016-01016 ◽  
Author(s):  
J Schurr ◽  
N Fletcher ◽  
P Gournay ◽  
O Thévenot ◽  
F Overney ◽  
...  
Keyword(s):  
Final Report ◽  
Capacitance Ratio
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