The CHAMELEON V1 UNUN 9:1 is a wideband impedance transformers with an impedance ratio of 9:1 used in high-frequency (HF) circuits to match the impedance of the CHAMELEON V1 HF/VHF/UHF Multiband Antenna: UNbalanced to UNbalanced (UNUN).

The wideband V1 UNUN 9:1 impedance transformer consists of a toroidal ferrite core wrapped with a trifilar transmission line, with the wires isolated by means of an enamel film. This combination of design elements of conventional and transmission-line impedance transformers creates a true wideband component.

This UNUN avoids the high frequency limitations of conventional magnetic transformers since the windings are arranged such that winding capacitance and inductance form a transmission line free of resonances.

The CHAMELEON V1 UNUN 9:1 is directional so it needs to be installed in the following manner. The red tip of the UNUN should be plugged to the antenna while the other one is attached to the transceiver. This should provide a better SWR and reduce the static noise when well grounded. Coax cable length also influences the SWR, so a longer coax cable will do better with the SWR than a shorter one. The UNUN also needs to be setup as close as possible to the load (antenna).

The CHAMELEON V1 UNUN 9:1 allows the antenna to perform to its full potential and reduces the stresses on your equipment. Some tuner models and the antenna position/location can greatly influence the SWR of the Chameleon V1 Antenna

Specification

• Power: 500 Watts SSB
• Connection: PL259
• Completely waterproof