Purpose of Balun in RF circuit

[ckJJ]

www.ycars.org/efra/module%20c/antmatch.htm

Hi,

What is the purpose or use of balun in RF circuits?

Thanks.

Chun Kit

 

[E-design]

Used to impedance match and to convert from unbalanced feed to balanced output or balanced to unbal BAL (balanced) UN(unbalanced)

 

[plasma]

Hi

see **broken link removed**

and https://www.qsl.net/iz7ath/web/02_brew/11_balun/pag01_eng.htm


PL

 

[flyhigh]

Hi,

sometimes used as 180deg hybrids (e.g. in mixers).

flyhigh

 

[kon]

for example:
1.impedance transform (according to the coils)
2.differential signal to single-ended signal

 

[STOIKOV]

check this document it has some terms related with baluns