what's the difference between the diplexer and duplexer?

the duplexer , is two band pass filters to combine the TX and RX to the antenna , and provide attenuation from both in the other band

the diplexer used to combine the output of two duplexes , it is always used in multiband phones

khouly

hi fushq,

In addition to the explanations given by Khouly, please refer to the following links:

-diplexer: http://www.microwaves101.com/encyclopedia/diplexers.cfm
-duplexer:http://www.microwaves101.com/encyclopedia/duplexers.cfm

hope this helps.

RFCMOS

yeah
3ks a lot

i got it

In Chinese ,Duplexer is called 双工器，but how about diplexer?

Many times asked question here and answered too:
https://www.edaboard.com/viewtopic.p...lexer+duplexer
https://www.edaboard.com/viewtopic.p...lexer+duplexer
https://www.edaboard.com/viewtopic.p...lexer+duplexer
https://www.edaboard.com/viewtopic.p...lexer+duplexer

I think both of them should be called "双工器?,to avoid confusion,I call them in English.