Circular Horns with Rectangular Input

Circular Horns have a broad variety of applications in the aerospace industry, and CMi is proud to provide these antennas of the highest quality. Each horn is precisely electroformed over a mandrel and gold plated. These horns have maximal return loss and gain ranging from 20 to 23 dB. Horns with different gain values can be special ordered. Rectangular Horns are available in sizes WR3 to WR42.

Ordering Example:

RCHO28S is a Conical Horn with a Rectangular input and Square flange.

View Spec Sheet View Flange Sheet

Part Name	WR	Frequency (GHz)	Max VSWR	WG A DIM(in)	WG B DIM(in)	Aperture-D1(in)	Length - L(in)	Flange
RCHO42S	42	18 - 26.5	1.1:1	0.42	0.17	2.3	5	S 0.875
RCHO28S	28	26.5 - 40	1.1:1	0.28	0.14	1.8	4.2	S 0.750
RCHO22R	22	33 - 50	1.1:1	0.224	0.112	1.44	3.2	R 1.125
RCHO19R	19	40 - 60	1.1:1	0.188	0.094	1.18	3.05	R 1.125
RCHO15R	15	50 - 75	1.1:1	0.148	0.074	0.95	2.4	R 0.750
RCHO12R	12	60 - 90	1.1:1	0.122	0.061	0.784	2.05	R 0.750
RCHO10R	10	75 - 110	1.1:1	0.1	0.05	0.643	1.4	R 0.750
RCHO8R	8	90 - 140	1.1:1	0.08	0.04	0.514	1.4	R 0.750
RCHO6R	6	110 - 175	1.1:1	0.065	0.0325	0.418	1.15	R 0.750
RCHO5R	5	140 - 220	1.1:1	0.051	0.0255	0.328	0.9	R 0.750
RCHO4R	4	170 - 260	1.1:1	0.043	0.0215	0.276	0.75	R 0.750
RCHO3R	3	220 - 325	1.1:1	0.034	0.017	0.218	0.65	R 0.750

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