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LOW POWER MATCHED TERMINATIONS
Low VSWR
Light weight
Full Bandwidth
Compact
Description
MEC Rectangular Waveguide Standard Length 80-L,
Ultra-short 80-LU, Communications and Narrow Band 80-LA Terminations consist of precision
aluminum waveguide containing rugged material especially selected and designed to absorb
incident power with very low reflection.
These units are idea for laboratory and field
measurements and production setups requiring high quality terminations. Additional
features are short length and light weight. Typical applications include VSWR measurement
of waveguide components, low power dummy antennas and matched terminations for directional
couplers, hybrids and other devices.
All units have a Chemical Film finish per
MIL-C-5541, Class 3, followed by gray epoxy enamel. A power sampling probe can be supplied
as a separate unit with any of the terminations. Typical flatness is ± 0.5dB across the
entire band for sampling levels from 30 to 50 dB.
SPECIFICATIONS
MODEL NO |
FREQUENCY RANGE |
WAVEGUIDE SIZE |
EQUIVALENT FLANGE |
MAX. AV. PWR. (WATTS) |
VSWR (MAX.) |
LENGTH (IN. MAX.). |
| STANDARD LENGTH |
| L80-L |
1.12-1.70 |
WR-650 |
UG-418B/U |
25 |
1.03 |
30 |
LM80-L |
1.45-2.20 |
WR-510 |
UG-1717/U |
15 |
1.03 |
27 |
| LA80-L |
1.7-2.6 |
WR-430 |
UG-437B/U |
10 |
1.025 |
23 |
| LS80-L |
2.20-3.30 |
WR-340 |
UG-554A/U |
5 |
1.025 |
17 |
| S80-L |
2.6-3.95 |
WR-284 |
UG-584/U |
5 |
1.025 |
12 |
| S2-80-L |
2.60-5.85 |
RG-109/U |
M3922/75-01 |
5 |
1.025 |
12 |
| B80-L |
3.30-4.90 |
WR-229 |
CMR-229 |
5 |
1.02 |
8 |
G80-L |
3.95-5.85 |
WR-187 |
UG-407/U |
5 |
1.02 |
8 |
| D80-L |
4.90-7.05 |
WR-159 |
CMR-159 |
4 |
1.02 |
6 |
| J80-L |
5.85-8.2 |
WR-137 |
UG-441/U |
3 |
1.02 |
6 |
| J2-80-L |
5.8512.4 |
RG-110/U |
M3922/75-03 |
2 |
1.02 |
6 |
| H80-L |
7.05-10.0 |
WR-112 |
UG-138/U |
2 |
1.02 |
5 |
| W80-L |
7.0-11.0 |
WR-102 |
M3922/70-002 |
2 |
1.02 |
5 |
X80-L |
8.2-12.4 |
WR-90 |
UG-135/U |
2 |
1.02 |
4 |
| M80-L |
10.0-15.0 |
WR-75 |
M3922/53-008 |
2 |
1.02 |
4 |
| P80-L |
12.4-18.0 |
WR-62 |
UG-1665/U |
1.5 |
1.02 |
3 |
| N80-L |
15.0-22.0 |
WR-51 |
M3922/70-011 |
1.5 |
1.02 |
3 |
| K80-L |
18.0-26.5 |
WR-42 |
UG-597/U |
1.5 |
1.03 |
3 |
| Y80-L |
22.0-33.0 |
WR-34 |
M3922/63-010 |
1 |
1.03 |
3 |
A80-L |
26.5-40 |
WR-28 |
UG-599/U* |
1 |
1.0313 |
3 |
| T80-L |
33.0-50.0 |
WR-22 |
UG-383/U* |
1 |
1.05 |
3 |
| ULTRA-SHORT |
| S80-LU |
2.60-3.95 |
WR-284 |
UG-584/U |
5 |
1.06 |
8 |
S2-80-LU |
2.60-5.85 |
RG-109/U |
M3822/75-01 |
5 |
1.06 |
8 |
| B80-LU |
3.30-4.90 |
WR-229 |
CMR-229 |
5 |
1.05 |
4 |
G80-LU |
3.95-5.85 |
WR-187 |
UG-407/U |
5 |
1.05 |
4 |
| D80-LU |
4.90-7.05 |
WR-159 |
CMR-159 |
4 |
1.05 |
3 |
| J80-LU |
5.85-8.20 |
WR-137 |
UG-441/U |
3 |
1.05> |
3 |
| J2-80-LU |
5.85-12.4 |
RG-110-U |
M3922/75-03 |
2 |
1.05 |
3 |
| H80-LU |
7.05-10.0 |
WR-112 |
UG-138/U |
2 |
1.05 |
2.5 |
| W80-LU |
7.0-11.0 |
WR-102 |
M3922/70-002 |
2 |
1.05 |
2.5 |
| X80-LU |
8.2-2.4 |
WR-90 |
UG-135/U |
2 |
1.05 |
1.5 |
| M80-LU |
10.0-15.0 |
WR-75 |
M3922/53-008 |
2 |
1.05 |
1.5 |
P80-LU |
12.4-18.0 |
WR-62 |
UG-1665/U |
1.5 |
1.05 |
1.5 |
| N80-LU |
15.0-22.0 |
WR-51 |
M3922/70-011 |
1.5 |
1.05 |
1.5 |
| K80-LU |
18.0-26.5 |
WR-42 |
UG-597/U |
1.5 |
1.06 |
1.5 |
| Y80-LU |
22.0-33.0 |
WR-34 |
M3922/63-010 |
1 |
1.06 |
1.5 |
| A80-LU |
26.5-40 |
WR28 |
UG-599/U* |
1 |
1.10 |
1.5 |
| COMMUNICATIONS AND NARROW
BAND |
| B80-LAM |
3.7-4.2 |
WR-229 |
CMR-229 |
5 |
1.01 |
4 |
| D80-LAM |
5.925-6.425 |
WR-159 |
CMR159 |
4 |
3 |
J80-LAL |
5.925-6.425 |
WR-137 |
UG-441/U |
3 |
3 |
| H80-LAL |
7.25-8.40 |
WR-112 |
UG-138/U |
2 |
2.5 |
| X80-LAL |
10.7-11.7 |
WR-90 |
UG-135/U |
2 |
1.5 |
| M80-LAL |
10.7-11.7 |
WR-75 |
M3922/53-008 |
2 |
1.5 |
| N80-LAL |
17.0-19.0 |
WR-51 |
M3922/70-011 |
1.5 |
1.5 |
ORDERING INFORMATION
*Aluminum
- For Power Sampling, add suffix "PS" to model number and specify sampling level
(from 30 to 50 dB) desired.
- Half-height terminations, other frequency ranges, and unique mounting arrangements also
available.
- 80-LU Series also available from 2.6 through 50 GHz with smaller bandwidth and improved
VSWR. Add suffix "L", "M", or"H" for low, middle, or high
half of band.
data subject to change without notice
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1551 Osgood Street, No. Andover, MA. 01845 TEL: 978-685-2776,
FAX: 978-975-4363 email:sales@microwaveeng.com
Updated 03/13/02
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