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Thermal Vac Qualified 180° Hybrid Coupler 4010265-TV


Model Number


Freq. Min. (GHz)


Freq. Max. (GHz)

Amplitude Imbalance (dB)
±1.0 dB, 1-20 GHz
±1.5 dB, 20-26.5 GHz
Phase Imbalance (Degrees)
± 16 Degrees
Isolation (dB Min)
3.0 to 20 GHz
3.6 to 26.5 GHz
VSWR (Max)
1.45 to 18 GHz
1.60 to 26.5 GHz
Insertion Loss (dB Max)
1.80 to 20 GHz
1.95 to 26.5 GHz
Weight (ounces)
Standard Connectors


1.0 – 26.5 GHz Frequency Operation

Thermal Vacuum Qualified Directional Coupler

3 dB Coupling

Amplitude Imbalance: ±1.0 dB (1-20 GHz) and ±1.5 dB (20-26.5 GHz)

Phase Imbalance: ±16 Degrees

Compact Package: SMA Female Connectors

Product Description

KRYTAR specializes in the design and manufacturing of ultra-broadband, high performance microwave components and test equipment for both commercial and military space applications. Products manufactured for Space Applications undergo additional reliability and quality assurance inspections during all phases of assembly, electrical evaluation, and shock/vibration testing. Parts, materials and processes are fully traceable from subordinate to top-level assemblies. KRYTAR can also provide customized solutions to meet your application-specific requirements. Our successful space heritage offers qualities you can depend on including: offering innovative products, quick-reaction capability, design responsiveness, flexibility, fast production turn-around, and partnerships with our customers.

KRYTAR has used its proprietary design to produce a wide assortment of matched-line directional dividers (MLDD) with ultra-high performance over a broadband frequency range. KRYTAR MLDD 2-way power dividers are a new class of patented directional devices.

KRYTAR’s MLDD 2-way power divider, Model 6005265-TV, offers high performance over the broadband ultra-broadband frequency range of 0.5 to 26.5 GHz in a compact, lightweight package.

KRYTAR’s technological advances provide excellent operating performance of this new 2-way unit.

Model 6005265-TV covers the full frequency range from 0.5 to 26.5 GHz with >19 dB Isolation and maximum Amplitude Tracking of ±0.5 dB. Maximum Phase Tracking is ±10 degrees. The 2-way divider exhibits Insertion Loss of 1.9 dB and VSWR is 1.45 (0.5-18 GHz) and 1.60 (18-26.5 GHz). Input power rating is 10 watts with 2:1 load VSWRs. Units with tighter Amplitude and Phase Tracking specifications can be supplied. Contact the factory with your requirements.

The power divider is a compact package measuring just 7.75 inches (L) x 1.00 inches (W) x 0.52 inches (H), weighs only 7-ounces, and comes with standard 3.5-mm coaxial female connectors.

KRYTAR’s new power divider offers the widest frequency coverage in a single package on the market and provides superior performance. Targeting broadband Space, electronic warfare (EW) systems and complex switch-matrix applications, for example, KRYTAR has used its proprietary design to produce a wide assortment of matched-line directional dividers (MLDD) with ultra-high performance over a broadband frequency range. The directional coupler can also be manufactured to meet ridged military specifications.

KRYTAR also offers complete engineering services for custom designs that meet or exceed critical performance and/or packaging specifications.

Common Definitions


180 Degree Hybrid Couplers: Four-port components with dual input and output ports.

 Microwave Frequency Bands
Band Designation Frequency Range (GHz)
UHF 300 MHz – 1.0 GHz
L 1.0 – 2.0
S 2.0 – 4.0
C 4.0 – 8.0
X  8.0 – 12.0
DBS 12.2 – 12.7
Ku 12.0 – 18.0
K 18.0 – 26.5
Ka  26.5 – 40.0
Q  30.0 – 50.0
U  40.0 – 60.0
V  50.0 – 75.0

Couplers are passive microwave components used for distributing or combining microwave signals. Directional couplers are four-port circuits where one port is isolated from the input port.

Amplitude Imbalance: The amount of level variation between a hybrid’s two outputs.

The coupled port on a microstrip, or stripline directional coupler, is closest to the input port because it is a backward wave coupler. On a waveguide broadwall directional coupler, the coupled port is closest to the output port because it is a forward wave coupler.

VSWR (Voltage Standing Wave Ratio): The ratio of the maximum voltage to the minimum voltage in standing wave pattern along the length of a transmission line structure. It varies from 1 to (plus) infinity and is always positive.

Insertion Loss: Net unrecoverable power in dB dissipated within the circuit at any frequency within the specified range.

Frequency Sensitivity: The amount of frequency change in the carrier frequency per unit amplitude change in the message signal.

Additional Resources

For more information on Krytar’s Couplers and Space Solutions Capabilities please see below:

KRYTAR Ultra-Broadband Microwave Components and Test Equipment DC-67 GHz

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