SUNRI-1:4 500W Balun Antenna 1-56Mhz Input 50 ohm To Output 200 ohm For Shortwave SSB AM FM Dipole/Windom Antenna

SUNRI 1:4 HF Antenna Balun

This 1:4 impedance-transforming balun is designed to connect a 50-ohm unbalanced coaxial feed line to an approximately 200-ohm balanced antenna feed point. It is intended for HF antenna systems such as Windom and suitable dipole configurations.

Specifications

• Frequency range: 1-56 MHz
• Impedance ratio: 1:4
• Input: 50 ohms, unbalanced
• Output: 200 ohms, balanced
• Listed power rating: 500 W
• Listed standing-wave ratio: less than 1.5 under suitable matched conditions
• Application: Windom and compatible balanced-wire antenna systems

Installation Notes

• Connect the 50-ohm coaxial feed line to the unbalanced input.
• Connect the balanced antenna conductors to the output terminals.
• Provide strain relief so antenna-wire tension is not carried by the terminals.
• Verify antenna resonance and SWR at low transmit power before increasing power.
• Actual matching performance depends on antenna dimensions, installation height, feed-point impedance and operating frequency.

Package Contents

• 1 × SUNRI 1:4 antenna balun, as shown