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QSP Series Short Slot
Hybrid Power Dividers

Characteristics
  • Small
  • Compact
  • Negligible Coupling Variation
Product Description

QuinStar Technology’s short slot hybrid is a narrow wall 3 dB coupler, available in standard waveguide sizes from 18 to 110 GHz. This compact, four-port device is inherently matched and well-suited for balanced mixers and power splitting circuits. There is a 90 degree phase difference between the two output signals, while the fourth port is isolated from the input.

The QSP series short slot hybrids are power dividers (3 dB couplers) that can be used in waveguide bridge circuits, image-reject and single sideband mixers, phase shifters, and power splitters where 90 degree phase shift between output power ports is required.

Specifications
FREQUENCY BAND Ku K Ka Q U V E W
Insertion Loss (dB) Max. 0.5 0.5 0.6 0.7 0.7 0.8 0.8 0.9
VSWR Max. 1.35 1.35 1.35 1.35 1.5 1.5 1.5 1.5
Isolation (dB) Typ. 20 20 20 20 20 20 20 18
Bandwidth (GHz) 2 2 3 3 4 4 5 7

Outline Drawings / Mechanical Specifications
FREQUENCY
BAND*
OUTLINE DIMENSIONS (inches/mm)
A B C D
K 3.75/95.3 2.47/62.7 1.12/28.5 1.38/35.1
Ka 3.75/95.3 2.47/62.7 1.12/28.5 1.38/35.1
Q 2.60/66.0 2.37/60.2 1.14/29.0 1.18/30.2
U 2.60/66.0 2.37/60.2 1.14/29.0 1.18/30.2
V 2.45/62.2 1.75/44.5 1.0/25.4 0.90/22.86
E 2.45/62.2 1.75/44.5 1.0/25.4 0.90/22.86
W 2.45/62.2 1.75/44.5 1.0/25.4 0.90/22.86
*Contact factory for Ku dimensions

Ordering Information

Model Number: QSP - A B CD EF

A = Waveguide band designator:
Y = Ku-band
K = K-band
A = Ka-band
Q = Q-band
U = U-band
V = V-band
E = E-band
W = W-band
B = Options:
0 = Standard product
C = Custom product
CD = Center Frequency (rounded to nearest GHz)
EF = Bandwidth (rounded to nearest GHz)

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