CERNEX, Inc. 766 San Aleso Avenue, Sunnyvale, CA 94085 Tel. (408) 541-9226, Fax (408) 541-9229 12/06
Orthomode Transducers
FEATURES:
VSWR < 1.2
Isolation > 30dB in Linear Mode
Higher Frequency Units will be Quoted on
Request
Available from 18.0 to 110 GHz with 3% or
Greater Bandwidth
DESCRIPTION: COT Series
Cernex’s COT series orthomode transducer couples two orthogonal linearly polarized signals
simultaneously while providing polarization isolation between transmit and receive.
SPECIFICATIONS:
Waveguide
Band
X X/Ku Ku K Ka Q U V E W F
Waveguide Size WR -
90
WR -
75
WR -
62
WR-
42
WR-
28
WR-
22
WR-
19
WR-
15
WR-
12
WR-
10
WR -
8
Frequency Range
(GHz)
8.2 to
12.4
10 to
15.0
12.4 to
18.0
18 to
26.5
26.5 to
40
33 to
50
40 to
60
50 to
75
60 to
90
75 to
110
90 to
140
% Bandwidth ±1 GHz ±1 GHz ±2 GHz 4% 4% 4% 3% 3% 3% 3% 3%
in - - - 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25
A
mm
- - -
31.8 31.8 31.8 31.8 31.8 31.8 31.8 31.8
in - - - 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25
B
mm
- - -
31.8 31.8 31.8 31.8 31.8 31.8 31.8 31.8
in
- - -
1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25
C
mm
- - -
31.8 31.8 31.8 31.8 31.8 31.8 31.8 31.8
HOW TO ORDER:
Specify Model Number COT – LF HF IL IS -- XX
Example:
To order an orthomode transducer with circular waveguide size of WR-10, and a frequency
band of 90-91GHz, with a Insertion loss of 0.8dBand Isolation of 30dB specify COT909108030-XX.
CERNEX RESERVE THE RIGHT TO CHANGE THE SPECIFICATIONS WITHOUT NOTICE
Insertion Loss
To be specified by the Factory
Isolation
High End Frequency
Low End Frequency