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Balun Designs

Model 1142s - 1:1 FCP Isolation Transformer 2kW

$84.95

Model 1142s - 1:1 FCP Isolation Transformer 2kW

$84.95
SKU:
1142
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Product Description

This is a unique 1:1 transmission line transformer intended to provide highest possible isolation between input and output.  Consequently there is no direct electrical connection between the input and output with all RF energy being conducted through the massive iron powder core.  This makes the FCP antenna very quiet while also providing the required inductance for matching to the folded counterpoise.

Specifications meet the K2AV FCP Isolation Transformer requirements for use with his Folded Counterpoise for 160 or 80 meters. 

Specifications


 

  Core Material   Large 3" DOUBLE HEIGHT iron powder toroid for excellent low frequency performance.
  Core is coated and sealed for long term durability.
  Winding Type  Single bifilar wire pair wound as 1:1 transformer isolation balun.
  Winding Material   Heavy gauge polyamideimide Allex 240 Winding Wire
  Windings are inserted into Teflon tubes increasing total breakdown to 10,000 volts.  
  Power Rating   1 to 30 MHz - 2kW
  All ratings based on resonant load. High SWR will reduce power handling ability.
  Useable Frequency   1 to 30 MHz
  Insertion Loss   Less than .1db
  Connectors   SO-239 connectors are silver plated with Teflon insulation.
  Studs and eyebolts are 1/4 inch.
  Alternate connectors and Mounting Options are available in the Accessories section.
  Hardware   All Stainless Steel
  Enclosure Type   NEMA rated 4x marine grade junction box for outdoor installations.
  Cover utilizes integral neoprene gasket for weatherproof integrity.
  Dimensions   4x4x2 inches for main body of unit
  Additional Info   Very high efficiency (98-99%).
   Iron powder core is very tolerant of high temperatures.
 


Installation Notes