RF transformers

Radiofrequency Transformer are used in broadband, CATV networks, wireless and similar communication systems.They also can provide the transition between balanced (symmetrical) and unbalanced (asymmetrical) signals. The common name BALUN is derived from terms BAL-anced to UN-balanced.

The signal frequencies are in the MHz and GHz range. To improve the high-frequency properties, winding wires are usually twisted in a special way.

Low-permeable Ni-Zn ferrites improve the S-Parameter for lower frequencies.

Custom designed RF converters can also act as impedance converters for impedance matching in cable amplifiers.