77 K analog monolithic HEMT amplifier for high-speed Josephson-semiconductor interface circuit

Naoki Harada, Yuji Awano, Kohki Hikosaka, Naoki Yokoyama

Research output: Contribution to journalArticle

Abstract

We developed 0.5 μm-gate 77 K analog monolithic HEMT amplifier that is to be used in an interface from a Josephson IC to a semiconductor IC. The HEMT was built from InGaP/InGaAs/GaAs materials that provide a stable system at 77 K. The amplifier includes a differential amplifier as its first stage to cancel out ground level fluctuations in the Josephson IC, and high gain source-grounded amplifier. An output of 0.7 Vp-p was obtained from a complementary input signal of 30 mVp-p, 3 Gbit/s, that was in RZ format. We successfully used this HEMT amplifier for transferring a voltage signal from 10-stack Josephson high-voltage drivers to a room temperature 50 Ω system with an amplitude of 0.7 Vp-p and a clock frequency of 300 MHz.

Original languageEnglish
Pages (from-to)1513-1518
Number of pages6
JournalSolid-State Electronics
Volume43
Issue number8
Publication statusPublished - 1999 Aug
Externally publishedYes

Fingerprint

High electron mobility transistors
high electron mobility transistors
amplifiers
high speed
analogs
Semiconductor materials
Networks (circuits)
Differential amplifiers
Electric potential
differential amplifiers
Clocks
high gain
clocks
format
high voltages
output
electric potential
room temperature
Temperature

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

77 K analog monolithic HEMT amplifier for high-speed Josephson-semiconductor interface circuit. / Harada, Naoki; Awano, Yuji; Hikosaka, Kohki; Yokoyama, Naoki.

In: Solid-State Electronics, Vol. 43, No. 8, 08.1999, p. 1513-1518.

Research output: Contribution to journalArticle

Harada, Naoki ; Awano, Yuji ; Hikosaka, Kohki ; Yokoyama, Naoki. / 77 K analog monolithic HEMT amplifier for high-speed Josephson-semiconductor interface circuit. In: Solid-State Electronics. 1999 ; Vol. 43, No. 8. pp. 1513-1518.
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