Koichi NARAHARA


Transition Dynamics of Multistable Tunnel-Diode Oscillator Used for Effective Amplitude Modulation
Koichi NARAHARA Koichi MAEZAWA 
Publication:   
Publication Date: 2021/01/01
Vol. E104-C  No. 1  pp. 40-43
Type of Manuscript:  BRIEF PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
transition dynamicsbifurcationmodulationhard-type oscillatorstunnel diodesresonant-tunneling diodes
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Injection Locking of Rotary Dissipative Solitons in Closed Traveling-Wave Field-Effect Transistor
Koichi NARAHARA 
Publication:   
Publication Date: 2020/11/01
Vol. E103-C  No. 11  pp. 693-696
Type of Manuscript:  BRIEF PAPER
Category: Electronic Circuits
Keyword: 
traveling-wave FETsinjection lockingdissipative solitons
 Summary | Full Text:PDF(2.2MB)

Frequency Divider Using One-Dimensional Tunnel-Diode Oscillator Lattice Systems
Koichi NARAHARA 
Publication:   
Publication Date: 2019/12/01
Vol. E102-C  No. 12  pp. 845-848
Type of Manuscript:  BRIEF PAPER
Category: Electronic Circuits
Keyword: 
frequency dividertunnel diodessynchronizationcoupled oscillatorsresonant-tunneling diodes
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Characterization of Left-Handed Traveling-Wave Transistors
Shun NAKAGAWA Koichi NARAHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/11/01
Vol. E92-C  No. 11  pp. 1396-1400
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
composite right- and left-handed transmission linesmetamaterialstraveling-wave transistors
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Characterization of Two-Stage Composite Right- and Left-Handed Transmission Lines
Shun NAKAGAWA Koichi NARAHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/04/01
Vol. E91-C  No. 4  pp. 631-637
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
composite right- and left-handed transmission linesmetamaterialsphase/impedance matching
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Ultrafast Gating Circuit Using Coupled Waveguides
Koichi NARAHARA Taiichi OTSUJI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/01/25
Vol. E83-C  No. 1  pp. 98-108
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
ultrafast electronicscoupled linespropagation modeselectro-optic sampling
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A 22-Gbit/s Static Decision IC Made with a Novel D-Type Flip-Flop
Koichi NARAHARA Taiichi OTSUJI Masami TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/03/25
Vol. E82-C  No. 3  pp. 559-561
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
decision ICGaAs MESFETstatic D-FFSCFL circuitry
 Summary | Full Text:PDF(282.3KB)