HP 773D Coaxial Directional Coupler, 2 GHz to 18 GHz

Product Summary

The HP 773D is a high-performance directional coupler designed for broadband swept measurements in the 2 to 18 GHz range. This coupler is ideal for leveling broadband sources when used with an HP 8474B detector. The broadband design allows the use of a single test setup and calibration for tests spanning the entire 2 to 18 GHz range.

Product Features

• Wide frequency coverage simplifies testing

• High directivity

• Ideal for leveling broadband sources

Product Specifications

Frequency Range:		2 to 18 GHz		

Nominal Coupling:		20 dB

Max Coupling Variation:		±0.9 dB

Minimum Directivity
	0.1 to 2 GHz:		39 dB (typ)
	2 to 12.4 GHz:		30 dB
	12.4 to 18 GHz:		27 dB
	18 to 20 GHz:		21 dB (typ)
SWR Maximum
	0.1 to 2 GHz:		1.04 (typ)
	2 to 18 GHz:		1.2¹
	18 to 20 GHz:		1.16 (typ)
Insertion Loss
	0.1 to 2 GHz:		0.15 dB (typ)
	2 to 18 GHz:		0.9 dB
	18 to 20 GHz:		0.6 dB (typ)

Dimensions:			184.4 mm L x 105.8 mm H x 30 mm W
				(7.26 in x 4.17 in x 1.18 in)

¹Apparent SWR at the output port of a coupler when used in a 
 closed-loop leveling system.

Product Ordering Information

HP 773D	Directional Coupler

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