FREQUENCY RANGE

WAVEGUIDE SIZE

COUPLING VALUE (NOMINAL MID-BAND)

DIMENSIONS mm MAX.

GHz	U.K	I.E.C	E.I.A	20dB	30dB	40dB	50dB	A	B	C
2.17-3.30	WG9A	R26	WR340	9-R-3769	9-R-3770	9-R-3771	9-R-3772	240	120	180
2.60-3.95	WG10	R32	WR284	10-R-3721	10-R-3721	10-R-3741	10-R-3757	200	100	150
3.30-4.90	WG11A	R40	WR229	1A-R-3702	1A-R-3722	1A-R-3742	1A-R-3758	160	80	125
3.95-5.85	WG12	R48	WR187	12-R-3703	12-R-3723	12-R-3743	12-R-3759	125	63	120
4.90-7.05	WG13	R58	WR159	13-R-3704	13-R-3724	13-R-3744	13-R-3760	125	63	110
5.85-8.20	WG14	R70	WR137	14-R-3705	14-R-3725	14-R-3745	14-R-3756	120	60	110
7.05-10.00	WG15	R84	WR112	15-R-3706	15-R-3726	15-R-3746	15-R-3762	110	55	95
8.20-12.40	WG16	R100	WR90	16-R-3707	16-R-3727	16-R-3747	16-R-3763	80	40	75
10.00-15.00	WG17	R120	WR75	17-R-3708	17-R-3728	17-R-3748	17-R-3764	80	40	75
12.4-18.00	WG18	R140	WR62	18-R-3709	18-R-3729	18-R-3749	18-R-3765	80	40	75
18.00-26.50	WG20	R220	WR42	20-R-3711	20-R-3731	20-R-3751	20-R-3767	60	30	65
21.70-33.00	WG21	R260	WR34	20-R-3773	20-R-3774	20-R-3775	20-R-3776	55	28	60
26.50-40.00	WG22	R320	WR28	22-R-3712	22-R-3732	22-R-3752	22-R-3768	50	25	55

Coupling value	20, 30, 40, 50, dB nominal (see table)
Tolerance On Nominal Value	± 1.0dB over full band (± 1.5dB WG20 - WG22)
Flatness* 40 & 50dB	± 0.75dB over full band
Flatness* 20 & 30dB	± 1.00dB over full band
Directivity	20dB min
V.S.W.R.	1.10:1 max. Main line
	1.15:1 max. Secondary line (WG output)
	1.25:1 max. Secondary line (Coax output)
Customer to specify	1 Flange type
	2 Power handling
	3 Material / Finish:
	Copper waveguide / Brass flange, Internal finish: Clean only
	or Aluminium, finish Alocrom 1200.
	External finish: White, Semi gloss paint

* there is an important trade off between frequency band/flatness/cost.

Please specify your requirements in detail to obtain an optimum solution. Multiple cross guide couplers, double, triple, etc. are also available.

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