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Josephson Junction Parametric Amplifier

Josephson Junction Parametric Amplifier
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The QMC-JPA-MCA01 is a cryogenic Josephson Junction parametric amplifier designed to be installed onto the mixing chamber plate of a dilution refrigerator. It is compatible with standard RF microwave readout chains found in cryogenic measurement setups that characterize superconducting devices. The amplifier can be used to design, develop, and validate auxiliary cryogenic circuitry, which is required before near-quantum limited noise measurements can be conducted on the amplifier. The circuit is based on a Superconducting Quantum Interference Device (SQUID), which is very sensitive to external magnetic fields. The gain is 20 dB, the instantaneous bandwidth is 300 MHz, and the noise temperature is 295 mK at 6.8 GHz.

QUANTUM MICROWAVE

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