Journal
OPTICAL ENGINEERING
Volume 60, Issue 8, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.OE.60.8.082018
Keywords
resonant tunneling diode; terahertz oscillator; equivalent lumped network; active microstrip transmission line
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Funding
- Russian Foundation for Basic Research Grant [18-07-00785a]
- State Task of IRE RAS and IUHFSE RAS
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The paper presents a method for parameter extraction of lumped element networks representing resonant tunneling diodes. By using on-chip reflection coefficient measurements and differential resistance measurements, the parameters of GaAs/AlAs double-barrier RTDs were successfully extracted, with potential applications in active microstrip transmission lines discussed.
We describe a method of parameters extraction for the lumped element network representing resonant tunneling diodes (RTDs). The method is based on onchip reflection coefficient measurements in a wide frequency range from 1 kHz up to 60 GHz in combination with differential resistance measurements. We have proposed and fabricated double-barrier GaAs/AlAs RTDs embedded into the 50-Ohm coplanar transmission line section, suitable for onchip RF-measurements using a probe station and a vector network analyzer. A good agreement between the experimental S11-parameter curves and the curves calculated from the equivalent lumped network is obtained for various RTD bias voltages. A possible operation of a distributed RTDs as an active microstrip transmission line (MTL) is also discussed. Experimentally extracted parameters of the lumped equivalent network are used to define amplification conditions in MTLs based on distributed RTDs. (C) 2021 Society of Photo-Optical Instrumentation Engineers (SPIE)
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