HP 778D Coaxial Dual-Directional Coupler, 100 MHz to 2 GHz

Product Summary

The HP 778D is an economical dual-directional coupler designed for swept measurements in the 0.10 to 2.0 GHz range. Its high directivity and mean coupling accuracy of ±0.5 dB makes the HP 778D ideal for reflectometer applications. The auxiliary arms track very closely, making this coupler particularly useful for reflectometers driven by sweep oscillators such as the HP 8350B.

Product Features

• Economical

• High directivity

• Ideal for reflectometer measurements

Product Specifications

Frequency Range:		0.10 to 2.0 GHz		

Nominal Coupling:		20 dB

Max Coupling Variation:		±1.5 dB

Minimum Directivity
	0.1 to 1 GHz:		36¹
	1 to 2 GHz:		32 dB
	
SWR Maximum:			1.1

Insertion Loss:			0.60 dB

Dimensions:			425.5 mm L x 111.1 mm H x 30.2 mm W
				(16.75 in x 4.38 in x 1.19 in)


¹30 dB 0.1 to GHz, input port dB.

Product Ordering Information

HP 778D	Dual-Directional Coupler

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