Cobham Signal & Control Solutions

Cobham Signal & Control Solutions (formerly Aeroflex Signal & Control Solutions) is a leading supplier of high performance solid-state RF and microwave components and subsystems.

Call: 732-460-0212 / 855-366-2727

Hybrid Couplers - 90°

Cobham Signal & Control Solutions - 90 Degree Hybrid Couplers

Cobham Signal & Control Solutions' Hybrid couplers, series QH, feature high directivity and low VSWR and are conservatively rated to ensure the most reliable service and performance.

The couplers on this page are unequalled in terms of size and performance. The volume of these couplers make them ideally suited for applications involving high density packaging.

Signal & Control Catalog

  • Click here to download or request a mailed copy of our latest catalog.

Download our latest catalog

QH Series 3dB 90° Hybrid
Part
Number
Freq.
Range
(GHz)
Nominal
Coupling
(dB)
Max Dev.
From
Nominal
Coupl.
(dB)
Max
Insrtn.
Loss
(dB)
Min
Iso.
(dB)
VSWR
Max
Phase
Bal.
Deg.
"A"
in
"B"
in
"C"
in
"D"
in
"E"
in
"F"
in
QH-17 .025 - .05 3.0 +.15/-0 ± .40 0.15 22 1.15 ± 1.0 3.00 2.00 0.55 1.90 1.80 0.25
QH-18 0.05 - 0.1 3.0 +.15/-0 ± .40 0.15 22 1.15 ± 1.0 3.00 2.00 0.55 1.90 1.80 0.25
QH-19 2.0 - 8.0 3.0 +.15/-0 ± .40 0.15 22 1.15 ± 1.0 3.00 2.00 0.55 1.90 1.80 0.25
QH-20 .05 -.10 3.0 +.15/-0 ± .40 0.15 22 1.15 ± 1.0 2.90 1.90 0.55 1.90 1.70 0.25
QH-21 0.1 - 0.2 3.0 +.15/-0 ± .40 0.15 22 1.15 ± 1.0 2.15 1.60 1.08 - 1.40 0.25
QH-23 0.2 - 0.4 3.0 +.15/-0 ± .40 0.15 22 1.15 ± 1.0 1.90 1.25 0.95 - 1.05 0.25
QH-26 0.25 - 0.5 3.0 +.15/-0 ± .40 0.15 22 1.15 ± 1.0 1.65 1.15 0.82 - 0.95 0.25
QH-28 0.5 - 1.0 3.0 +.15/-0 ± .40 0.15 22 1.20 ± 1.0 2.80 0.50 0.55 1.70 0.30 0.20
QH-31 1.0 - 2.0 3.0 +.15/-0 ± .40 0.15 22 1.20 ± 2.0 1.65 0.50 0.82 - 0.30 0.20
QH-32 1.0 - 2.0 3.0 +.15/-0 ± .40 0.15 22 1.20 ± 2.0 1.25 0.50 0.82 - 0.30 0.20
QH-33 1.5 - 3.0 3.0 +.20/-0 ± .40 0.20 22 1.20 ± 2.5 1.25 0.50 0.63 - 0.30 0.20
QH-34 1.5 - 3.0 3.0 +.15/-0 ± .45 0.20 22 1.20 ± 2.5 1.00 0.50 0.50 - 0.30 0.20
QH-36 2.0 - 4.0 3.0 +.20/-0 ± .45 0.20 22 1.20 ± 2.5 1.00 0.50 0.50 - 0.30 0.20
QH-43 2.6 - 5.2 3.0 +.20/-0 ± .45 0.20 20 1.25 ± 3.0 1.00 0.50 0.50 - 0.30 0.20
QH-45 4.0 - 8.0 3.0 +.25/-0 ± .50 0.25 20 1.30 ± 3.0 0.90 0.50 0.45 - 0.30 0.20
QH-48 7.0 - 11.0 3.0 +.25/-0 ± .50 0.25 20 1.30 ± 3.0 0.90 0.50 0.45 - 0.30 0.20
QH-51 7.0 - 12.4 3.0 +.35/-0 ± .50 0.35 17 1.35 ± 4.0 0.95 0.50 0.48 - 0.30 0.20
QH-55 12.0 - 18.0 3.0 +.35/-0 ± .50 0.35 17 1.35 ± 4.0 0.95 0.50 0.48 - 0.30 0.20
QH-57 8.0 - 16.0 3.0 +.50/-0 ± .60 0.50 16 1.45 ± 5.0 0.95 0.50 0.48 - 0.30 0.20
QH-58 12.0 -18.0 3.0 +.50/-0 ± .60 0.50 16 1.50 ± 5.0 0.95 0.50 0.48 - 0.30 0.20
QH-88 8.0 - 18.0 3.0 +.50/-0 ± .60 0.50 16 1.50 ± 5.0 0.95 0.50 0.48 - 0.30 0.20

Mechanical Specifications:

Case StyleQH Outline
ConnectorsSMA Female per MIL-C-39012
Control ConnectorMicro-D 21 Pin
Bias &
Control Pins
ø0.02” x 0.15” long
Mountingø0.10” through holes (4) places

Screening:

Internal Visual per MIL-STD-883, Method 2017
Temperature Cycle: -65°C to +100°C, 10 cycles
Hermetically-sealed couplers are fine and gross
leak checked per MIL-STD-883, Method 1014
Optional High-Rel screening available upon
request.
Contact the factory to discuss your screening requirements

Environmental Specifications:

MIL-E-5400, MIL-STD-202, MIL-E-16400
Operating Temp-30°C to +70°C
Storage Temp-55°C to +125°C
HumidityMIL-STD-202F, M103, Cond B
ShockMIL-STD-202F, M213, Cond B
AltitudeMIL-STD-202F, M105, Cond B
VibrationMIL-STD-202F, M204, Cond B
Thermal ShockMIL-STD-202F, M107, Cond A
Temperature CycleMIL-STD-202F, M105C, Cond D

Custom Options - Contact Factory:

Gray epoxy paint per MIL-C-22750
Video transient suppression
GPO connectors
ECL logic input
Phase and amplitude tracking
Other frequency ranges available from 1MHz to 26GHz
Reversed logic
Available without SMA connectors for drop-in applications
High rel screening
OUTLINE CASE STYLE QH
Outline Case Style QH