Northrop Grumman Microelectronics Design and Applications
This paper presents the design and test results of a CMOS current-based Digital to Analog Converter (DAC) that operates at cryogenic temperatures and that can be used to precisely control the amount of flux coupled to qubits or that can be used in the readout of superconducting circuits. The current pulse output can be controlled in terms of its amplitude, rise and fall slopes, via digital controls, and pulse width, via external triggers, while driving a superconducting circuit. The design has been implemented in a planar 90nm CMOS process and test results closely match circuit predictions. The solution’s wide degree of digital tunability affords potential application of the same device to many types of quantum circuits, beyond those discussed here. Due to the wide-ranging flexibility of digital CMOS control, we envision that this DAC design will enable the next generation of high-fidelity cryo-CMOS control architectures for superconducting qubits.
@article{115b62ca-b466-485e-9461-aaf3543ad72c,
title={2026 Pelteku Cryogenic CMOS DAC Qubit Control},
author={Northrop Grumman Microelectronics Design and Applications},
year={2026},
language={en}
}TY - JOUR TI - 2026 Pelteku Cryogenic CMOS DAC Qubit Control AU - Northrop Grumman Microelectronics Design and Applications PY - 2026 LA - en ER -
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