Common Mode Noise Filter – Coax

Balun/Unun DIY Kits

Store/Antenna Products/CUBE Impedance Transformers (<1:1, 1:1, >1:1)/Balun/Unun DIY Kits
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2990313247 - Common Mode Noise Filter - Coax
50:200 ohm (4:1) Dual Core Current Balun Kit, 1-55 MHz, 1500 watts PEP, for OCF, Loop, Ladder Line Antennas
50:200 ohm (4:1) Dual Core Current Balun Kit, 1-55 MHz, 1500 watts PEP, for OCF, Loop, Ladder Line Antennas
Ladderline to Coax Transformer
SKU BA-4-1500DC
$37.95
982795650 - Common Mode Noise Filter - Coax
50:200 ohm (4:1) HF Balun or Unun Core Kit, 3-31 MHz, 250 watts
50:200 ohm (4:1) HF Balun or Unun Core Kit, 3-31 MHz, 250 watts
SKU BA-4-250
$19.95
1072922502 - Common Mode Noise Filter - Coax
50:450 ohm (9:1) Balun or Unun Core Kit, .5-32 MHz, 1000 watts PEP, end fed/Ladder Line, T2FD antenna
50:450 ohm (9:1) Balun or Unun Core Kit, .5-32 MHz, 1000 watts PEP, end fed/Ladder Line, T2FD antenna
SKU BA-9-1000
$29.95
581480949 - Common Mode Noise Filter - Coax
50:450 ohm (9:1) Balun or Unun Core Kit, 1.8-30 MHz, 250 watts PEP, end fed, T2FD antenna
50:450 ohm (9:1) Balun or Unun Core Kit, 1.8-30 MHz, 250 watts PEP, end fed, T2FD antenna
SKU BA-9-250
$21.95
581498192 - Common Mode Noise Filter - Coax
50:50 ohm (1:1) Common Mode Choke HF Balun Kit - 1500 watt PEP, 1.8-31 MHz
50:50 ohm (1:1) Common Mode Choke HF Balun Kit - 1500 watt PEP, 1.8-31 MHz
SKU BA-1-1500
$29.97
581480972 - Common Mode Noise Filter - Coax
Enclosure Box - 4" x 4" x 4"
Enclosure Box - 4" x 4" x 4"
SKU CB-Box-2
$19.95
890710981 - Common Mode Noise Filter - Coax
Enclosure Box - 4.375" x 4.375" x 2.375"
Enclosure Box - 4.375" x 4.375" x 2.375"
SKU CB-Box-1
$14.95
581480969 - Common Mode Noise Filter - Coax
Enclosure Box - 6" x 6" x 4"
Enclosure Box - 6" x 6" x 4"
SKU CB-Box-3
$27.95
On Sale
2329254354 - Common Mode Noise Filter - Coax
FT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHz
FT140-43, ID=.9", OD=1.4", RFI Range 25-300 MHz
SKU F140-43
List price $4.50
Save 14%
$3.89
3215425210 - Common Mode Noise Filter - Coax
Halyard Hoist Eyebolt Kit - 1/4-20 Stainless Steel
Halyard Hoist Eyebolt Kit - 1/4-20 Stainless Steel
SKU TEK-1/4-1
$4.95
982895404 - Common Mode Noise Filter - Coax
N Connector Kit (female chassis connector)
N Connector Kit (female chassis connector)
SKU UG-58-1
$7.49
3498473398 - Common Mode Noise Filter - Coax
Preassembled Balun & Unun Boxes, Stainless Hardware - just add your ferrite choke or transformer
Preassembled Balun & Unun Boxes, Stainless Hardware - just add your ferrite choke or transformer
SKU CU-BOX-1-SO
$49.95
581480975 - Common Mode Noise Filter - Coax
SO-239 Kit (female chassis connector + hardware)
SO-239 Kit (female chassis connector + hardware)
SKU SO-239 Kit-1/2
$3.95
3215425215 - Common Mode Noise Filter - Coax
Side Eyebolt Kit - 1/4-20 Stainless Steel
Side Eyebolt Kit - 1/4-20 Stainless Steel
SKU SEK-1/4-1
$5.95
3214887724 - Common Mode Noise Filter - Coax
Side or Top Stud Kit - 1/4-20 Stainless Steel
Side or Top Stud Kit - 1/4-20 Stainless Steel
SKU SSK-1/4-1
$3.95
808654873 - Common Mode Noise Filter - Coax
UHF PL-259 Male Plug to SO-239 Female Right Angle 90 Degree RF Adapter Connector
UHF PL-259 Male Plug to SO-239 Female Right Angle 90 Degree RF Adapter Connector
SKU UHF-90
$6.95
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Typical user comment:

The filter was quite effective. Was surprised that it actually reduced the noise level
more than the signal so S+N/N improved by 1.9 S units.

Bill