Receiver Impedance/Isolation Transformers

For impedance transformation/isolation applications when max power is < 10 Watts PEP, this transformer provides a simple interface between transmission lines with different connectors or impedances or simply common mode isolation. DC continuity for bias-T applications.

EFLW Antenna Parts

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2678488938 - Receiver Impedance/Isolation Transformers
1-3/4" Nylon Pulley and 1/4" Spring Hook Set for Wire Antenna & Paracord Installation
1-3/4" Nylon Pulley and 1/4" Spring Hook Set for Wire Antenna & Paracord Installation
SKU Pulley-1.75-1
$4.95
1072922502 - Receiver Impedance/Isolation Transformers
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 - Receiver Impedance/Isolation Transformers
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
2908446668 - Receiver Impedance/Isolation Transformers
50:450 ohm (9:1) CUBE™ Unun, 1.8-31 MHz, 5 KW PEP, End Fed Antenna
50:450 ohm (9:1) CUBE™ Unun, 1.8-31 MHz, 5 KW PEP, End Fed Antenna
SKU CU-9-5000
$149.95
On Sale
1864891769 - Receiver Impedance/Isolation Transformers
50:450 ohm (9:1) CUBE™ Unun, 1.8-61 MHz, 1.5 KW, End Fed Long Wire
50:450 ohm (9:1) CUBE™ Unun, 1.8-61 MHz, 1.5 KW, End Fed Long Wire
SKU CU-9-1500
List price $129.95
Save 15%
$109.95
3938117916 - Receiver Impedance/Isolation Transformers
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 100 Watts, End Fed Long Wire Antennas
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 100 Watts, End Fed Long Wire Antennas
SKU Bullet-9U-100
$59.95
4662945577 - Receiver Impedance/Isolation Transformers
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 500/1500 Watts, End Fed Long Wire Antennas
Bullet 50:450 (9:1) HF Unun, 1.8-61 MHz, 500/1500 Watts, End Fed Long Wire Antennas
SKU Bullet-9U-500
$79.95
4599243894 - Receiver Impedance/Isolation Transformers
Bullet 50:450 (9:1) HF Unun, 200 KHz-30 MHz, 500 Watts, End Fed Antennas, , VLF, SWL
Bullet 50:450 (9:1) HF Unun, 200 KHz-30 MHz, 500 Watts, End Fed Antennas, , VLF, SWL
SKU Bullet-9LFU-500
$79.95
3301442821 - Receiver Impedance/Isolation Transformers
Bullet Antenna End Fed Antenna Counterpoise Kit (41/71/92/111/155 Ft. Antenna Lengths)
Bullet Antenna End Fed Antenna Counterpoise Kit (41/71/92/111/155 Ft. Antenna Lengths)
SKU BULLET-CPK-41-20
$14.95
3465681198 - Receiver Impedance/Isolation Transformers
End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas
End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas
SKU EFFLC-240
$10.00
4029797252 - Receiver Impedance/Isolation Transformers
MAXI-CHOKER Coax Line Isolator/Choke, 1-61 MHz, 1.5/3KW/5KW, up to -60 Db Common Mode Rejection, Static Bleeder Option
MAXI-CHOKER Coax Line Isolator/Choke, 1-61 MHz, 1.5/3KW/5KW, up to -60 Db Common Mode Rejection, Static Bleeder Option
SKU MC-1-1500
$89.95
4222605655 - Receiver Impedance/Isolation Transformers
MINI-BALUN 1:1 Coax Interface to Ladder Line, Dipole elements, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, Flagpole, Dipole, Beam and G5RV/ZS6BKW Antennas
MINI-BALUN 1:1 Coax Interface to Ladder Line, Dipole elements, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, Flagpole, Dipole, Beam and G5RV/ZS6BKW Antennas
SKU MB-1-500SS
$69.95
1112255372 - Receiver Impedance/Isolation Transformers
MINI-CHOKER Coax Line Isolator, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, 1:1 Unun
MINI-CHOKER Coax Line Isolator, 500 Watts PEP, up to -38Db Common Mode Rejection, 1-61 MHz, 1:1 Unun
SKU MC-1-500-50
$69.95
On Sale
3882535253 - Receiver Impedance/Isolation Transformers
Multi Ratio 50:200 (4:1) & 50:450 (9:1) CUBE™ Unun, 1.8-60 MHz, 1500W PEP, End Fed Antennas
Multi Ratio 50:200 (4:1) & 50:450 (9:1) CUBE™ Unun, 1.8-60 MHz, 1500W PEP, End Fed Antennas
SKU CU-4-9-1500
List price $169.95
Save 24%
$129.95
3193439255 - Receiver Impedance/Isolation Transformers
Snap On End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas, RG8X, RG8, up to 38 dB common mode suppression
Snap On End Fed Feed Line Choke for Non-Resonant and End Fed Half Wave Antennas, RG8X, RG8, up to 38 dB common mode suppression
SKU SOFLC
$19.50
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