4:1 Balun Covers 1.8Mhz to 54 Mhz with Low SWR (#4)

Description

Here is a 4:1 balun that covers the 1.8Mhz to 54Mhz range.
This is a voltage transformer type balun and is used for transforming impedances to another level.For instance, you could use this transformer to transform an antenna feedpoint resistance of 200 ohms to 50 ohms.This is not a current transformer like the 1:1 balun,and will NOT provide common mode current attenuation. A 1:1 balun as shown in my other auctions should be used in conjunction with a 4:1 or 9:1 voltage transformer type balun to attenuate common mode currents.Photos show the exact VSWR measurements for this particular balun.I am a amateur radio operator (AC1GF) and use these baluns on all my dipole antennas. Please email me with any questions.Shipping is free for this item, please pay by Paypal.
Specifications:
Frequency Range:  1.8Mhz- 54Mhz
VSWR: 1.04- 1.14 throughout frequency range
VSWR @ 1.8MHZ: 1.04
VSWR @ 3.5MHZ: 1.05
VSWR @ 7MHZ: 1.04
VSWR @ 14MHZ: 1.05
VSWR @ 21MHZ: 1.05
VSWR @ 28MHZ: 1.06
VSWR @ 50MHZ: 1.14
VSWR @ 52MHZ: 1.12
VSWR @ 54MHZ: 1.11
Insertion Loss: .15dBPower Rating: 800W
Core: FT 240-43
Wire: #18AWG PTFE silver plated stranded wire