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Products > Waveguides > Waveguide Terminations

LOW POWER WAVEGUIDE ELEMENTS
(Low VSWR)

General Description:

Series LPWE cone elements provide an almost perfect impedance match over the full waveguide frequency range. Each unit employs an environmentally stable lossy material specially shaped to produce a low VSWR.

For special applications, very short elements with a slightly higher VSWR are available. Also available are ceramic materials which can offer extremely high RF power capabilities.

 Freq Range (GHz) Waveguide Size  VSWR (Max) RF Power
(Avg. W)		  Model No.
1.70-2.60  WR430 1.02 20.0 430-LPWE
2.10-3.00 WR340 1.01 12.0 340-LPWE
2.60-3.95 WR284 1.01 10.0 284-LPWE
3.30-4.90 WR229 1.01 10.0 229-LPWE
3.95-5.85 WR187 1.01 8.0 187-LPWE
4.90-7.05 WR159 1.01 7.0 159-LPWE
5.85-8.20 WR137 1.01 6.0 137-LPWE 
7.05-10.0  WR112 1.01 4.0 112-LPWE
7.00-11.0 WR102 1.01 3.0 102-LPWE
8.20-12.4 WR90 1.01 4.0 90-LPWE
10.0-15.0 WR75 1.01 2.5 75-LPWE
12.4-18.0  WR62 1.01 1.5 62-LPWE
15.0-22.0 WR51 1.01  1.0 51-LPWE
18.0-26.5 WR42 1.01 0.5 42-LPWE
22.0-33.0 WR34 1.01 0.5 34-LPWE
26.5-40.0 WR28 1.02 0.5 28-LPWE

** PLEASE CONTACT US WITH YOUR SPECIFIC REQUIREMENTS **

WAVEGUIDE TERMINATIONS SHORT LENGTH MODELS

General Description:

Series 640 was designed to achieve low VSWR over a narrow frequency in a short length. These units utilize either tongue or step elements. Other frequency ranges, as well as shorter lengths, and high power are available on request. feel free to contact us. for details.

Specifications

  • VSWR.....1.15 Max

  • Material.....Aluminum

  • Flange Type.....Cover Standard

  • Finish.....per MIL-C-22750

  • Form Factor.....7268

Options:
  • For brass material, add B to basic model number.
  • For choke flange, precede model number with C.
  • For CPR or other flange, precede model with flange type. Ex: CPR137G-640
 Freq Range (GHz)  Waveguide Size  RF Power

(Avg. W)

  Length (In)  Model No.
2.70-2.90  WR284 10.0 2.75 284-640
2.90-3.10 WR284 10.0 2.75 284-641
3.50-4.20 WR229 10.0 2.75 229-640
4.90-5.40 WR187 8.0 2.25 187-640
5.40-5.90 WR187 8.0 2.25 187-641
5.90-6.40 WR159 7.0 2.00 159-640
5.40-5.90 WR137 6.0 1.75 137-640
5.90-6.80 WR137 6.0 1.75 137-641 
6.80-8.40 WR137 6.0 1.75 137-642
7.10-7.75 WR112 4.0 1.5 112-640 
7.80-8.50 WR112 4.0  1.5 112-641
8.60-9.50  WR112 4.0  1.5 112-642 
9.00-10.0 WR90 4.0 1.5 90-640
10.0-11.7  WR90 4.0 1.5 90-641
10.9-11.7 WR75 2.0 1.25 75-640
11.7-13.3 WR75 2.0 1.25 75-641
13.0-14.8 WR75 2.0 1.25 75-642
14.0-15.0 WR62 0.5 1.00 62-640
15.0-17.1 WR62 0.5 1.00 62-641 

** PLEASE CONTACT US WITH YOUR SPECIFIC REQUIREMENTS **

WAVEGUIDE TERMINATIONS LOW POWER

Specifications:
  • VSWR.....1.15 Max
  • Material.....Aluminum
  • Flange Type.....Cover Standard
  • Finish.....per MIL-C-22750
  • Form Factor.....7268

Options:
  • For brass material, add B to basic model number.
  • For choke flange, precede model number with C. VSWR is 1.03 Max.
  • For CPR or other flange, precede model number with flange type. Ex: CPR137G-660

 

 Freq Range (GHz) Waveguide Size VSWR (Max) RF Power (Avg. W) Length (In) Model No.
1.12-1.70 WR650 1.02 25.0 20.00 350-660
1.70-2.60 WR430 1.02 20.0 15.00 430-660
2.10-3.00 WR340 1.01 12.0 9.75 340-660
2.60-3.95 WR284 1.01 10.0 10.75 284-660
3.30-4.90 WR229 1.01 10.0 7.50 229-660
3.95-5.85 WR187 1.01 8.0 6.50 187-660
4.90-7.05 WR159 1.01 7.0 6.00 159-660
5.85-8.20 WR137 1.01 6.0 5.50 137-660
7.05-10.0 WR112 1.01 4.0 5.00 112-660
7.00-11.0 WR102 1.01 3.0 3.50 102-660 
8.20-12.4 WR90 1.01 4.0 4.00 90-660
10.0-15.0 WR75 1.01 2.0 4.00 75-660 
12.4-18.0 WR62 1.01 1.5 4.00 62-660
15.0-22.0 WR51 1.02 1.0 3.50 51-660
18.0-26.5 WR42 1.02 0.5 2.50 42-660
22.0-33.0 WR34 1.02 0.5 2.50 34-660
26.5-40.0 WR28 1.02 0.5 2.00 28-660

** PLEASE CONTACT US WITH YOUR SPECIFIC REQUIREMENTS **

WAVEGUIDE TERMINATIONS MEDIUM POWER (Low VSWR)

 

Specifications:
  • VSWR.....1.10 Max, 1.15 for WR 42 & 48
  • Material.....Aluminum
  • Flange Type.....Cover Standard
  • Finish.....High temperature black paint
  • Form Factor.....7271

Options:
  • For brass material, add B to basic model number.
  • For choke flange, precede model number with C. VSWR is 1.05 Max.
  • For CPR or other flange, precede model number with flange type. Ex: CPR137G-930
 Freq Range (GHz)  Waveguide Size  VSWR(Max)  RF Power (Avg. W)  Length (In)  Model No.
3.95-5.85 WR187 1.04 60 6.5 187-930
5.85-8.20 WR137 1.03 60 5.5 137-930
7.05-10.0 WR112 1.03 50 5.0 112-930
8.20-12.4 WR90 1.04 50 4.0 90-930
10.0-15.0 WR75 1.03 30 4.0 75-930
12.4-18.0 WR62 1.03 30 4.0 62-930

** PLEASE CONTACT US WITH YOUR SPECIFIC REQUIREMENTS **

WAVEGUIDE TERMINATIONS MEDIUM POWER

 

Specifications:
  • VSWR.....1.10 Max, 1.15 for WR 42 & 48
  • Material.....Aluminum
  • Flange Type.....Cover Standard
  • Finish.....High Temperature black paint

Options:
  • For brass material, add B to basic model number.
  • For choke flange, precede model number with C. VSWR is 1.05 Max.
  • For CPR or other flange, precede model number with flange type. Ex: CPR137G-930
 Freq Range (GHz) Waveguide Size Avg. (W)  Peak (kW) Length

(Max In)

  Model No.
2.60-3.95 WR284 1200 950 11.00 284-925
3.30-4.90 WR229 1000 800 9.75 229-925
3.95-5.85 WR187 750 750 8.38 187-925
4.90-7.05 WR159 625 625 8.13 159-925
5.85-8.20 WR137 500 400 7.75 137-925
7.05-10.0 WR112 425 400 7.00 112-925
7.00-11.0 WR102 325 300 6.50 102-925
8.20-12.4 WR90 225 225 5.50 90-925
10.0-15.0 WR75 200 200 4.50 75-925
12.4-18.0 WR62 100 100 3.38 62-925
15.0-22.0 WR51 100 100 3.50 51-925
18.0-26.5 WR42 100 100 3.50 42-925
26.5-40.0 WR28 50 75 3.00 28-925

** PLEASE CONTACT US WITH YOUR SPECIFIC REQUIREMENTS **

 
 
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