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IEICE TRANSACTIONS on Electronics

Demonstration of 6-bit, 0.20-mVpp Quasi-Triangle Voltage Waveform Generator Based on Pulse-Frequency Modulation

Yoshitaka TAKAHASHI, Hiroshi SHIMADA, Masaaki MAEZAWA, Yoshinao MIZUGAKI

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Summary :

We present our design and operation of a 6-bit quasi-triangle voltage waveform generator comprising three circuit blocks; an improved variable Pulse Number Multiplier (variable-PNM), a Code Generator (CG), and a Double-Flux-Quantum Amplifier (DFQA). They are integrated into a single chip using a niobium Josephson junction technology. While the multiplication factor of our previous m-bit variable-PNM was limited between 2m-1 and 2m, that of the improved one is extended between 1 and 2m. Correct operations of the 6-bit variable-PNM are confirmed in low-speed testing with respect to the codes from the CG, whereas generation of a 6-bit, 0.20mVpp quasi-triangle voltage waveform is demonstrated with the 10-fold DFQA in high-speed testing.

Publication
IEICE TRANSACTIONS on Electronics Vol.E97-C No.3 pp.194-197
Publication Date
2014/03/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E97.C.194
Type of Manuscript
BRIEF PAPER
Category

Authors

Yoshitaka TAKAHASHI
  The University of Electro-Communica-tions (UEC Tokyo)
Hiroshi SHIMADA
  The University of Electro-Communica-tions (UEC Tokyo)
Masaaki MAEZAWA
  National Institute of Advanced Industrial Science and Technology
Yoshinao MIZUGAKI
  The University of Electro-Communica-tions (UEC Tokyo)

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