
QCY-G0801202 _ _
8 – 12 GHz Cryogenic Circulator
DESCRIPTION
QCY Cryogenic Circulators are field-displacement devices that oer exceptional broadband performance down to the mK range. The housing is made
of OHFC copper and designed for optimal thermalization. We oer optional
magnetic shielding. QCY products are available in array configurations to
suit your applications. We design and manufacture our cryogenic circulators to meet your requirements.
Rev 1.1
FEATURES
• Exceptional Performance Down to the mK Range
• Low Insertion Loss
• Available with Standard, Mµ-metal or Double
Shielding
APPLICATIONS
• Quantum Computing
• Radio Astronomy
• Particle Physics Research
TECHNICAL SPECIFICATIONS: 8 – 12 GHz
PARAMETER TYPICAL
Return Loss 24.0 dB
Insertion Loss 0.40 dB
Isolation 42.0 dB
Note: Triple and higher junctions are also available.
MECHANICAL SPECIFICATIONS
ITEM SPECIFICATION
Connector SMA Female/Male
Size 0.52” (W) 2.76” (L) X 1.4” (H)
Housing Material OHFC Copper
Weight 60 g
MADE IN U.S.A.
QUINSTAR TECHNOLOGY, INC. | 24085 Garnier St. | Torrance, CA 90505 U.S.A. | (310) 320-1111 | sales@quinstar.com
Copyright © 2019 QuinStar Technology.
PAGE

RETURN LOSS VS. FREQUENCY
Rev 1.1
QCY-G0801202 _ _
8 – 12 GHz Cryogenic Circulator
INSERTION LOSS VS. FREQUENCY
MADE IN U.S.A.
QUINSTAR TECHNOLOGY, INC. | 24085 Garnier St. | Torrance, CA 90505 U.S.A. | (310) 320-1111 | sales@quinstar.com
Copyright © 2019 QuinStar Technology.
PAGE

ISOLATION VS. FREQUENCY
Rev 1.1
QCY-G0801202 _ _
8 – 12 GHz Cryogenic Circulator
MADE IN U.S.A.
QUINSTAR TECHNOLOGY, INC. | 24085 Garnier St. | Torrance, CA 90505 U.S.A. | (310) 320-1111 | sales@quinstar.com
Copyright © 2019 QuinStar Technology.
PAGE

QCY-G0801202 _ _
8 – 12 GHz Cryogenic Circulator
MECHANICAL OUTLINE (WITH Mµ-METAL SHIELDING OR STANDARD SHIELDING)
Note: Dimensions in inches.
Rev 1.1
MECHANICAL OUTLINE (WITH DOUBLE SHIELDING)
Note: Dimensions in inches.
MADE IN U.S.A.
QUINSTAR TECHNOLOGY, INC. | 24085 Garnier St. | Torrance, CA 90505 U.S.A. | (310) 320-1111 | sales@quinstar.com
Copyright © 2019 QuinStar Technology.
PAGE