资料介绍
RF Balun Transformers Application Note
RF Balun Transformers
M565
V2.00
Introduction
This application note is designed to help the reader understand how balun transformers can be used in today’s RF/Microwave communication applications. There is an increasing demand for balun transformers in today’s telecommunication market and M/A-COM is leading the eld with this device. As many as six of this device can be used around any particular chip as illustrated in gure 4. M/A-COM’s balun transformer can be classied into two groups A) The ux coupled balun transformer and B) The transmission line balun transformer.
Figure 3. 1:1 Transmission Line Balun Transformer
Denition of Terms
Insertion Loss (dB): Loss due to transmission from primary dot port to secondary dot port and secondary port. Most balun transformers are