I have designed an RFID tag and need to conjugate match the chip impedance with the antenna impedance. The antenna is based on a meandered dipole design and the chip is to be placed between the two dipole halves. Are there any general design techniques regarding the antenna geometry which can help conjugate match the impedance values. For reference, I need to reduce both the real and imaginary components of the antenna's impedance.
Thanks.
Zac,
Matching is accomplished by using matching circuits such as;
Rf transformer matching,
LC matching as an L section
CLC matching as a Pi section,
Transmission line lambda /4 matching and other forms of matching.
Transmission line can be also in form of micro strip printed circuit lines.
For LC matching and TL matching you can refer to the book: ELECTRONIC COMMUNICATIONS TECHNIQUES BY YOUNG.
Best wishes
Zac,
Matching is accomplished by using matching circuits such as;
Rf transformer matching,
LC matching as an L section
CLC matching as a Pi section,
Transmission line lambda /4 matching and other forms of matching.
Transmission line can be also in form of micro strip printed circuit lines.
For LC matching and TL matching you can refer to the book: ELECTRONIC COMMUNICATIONS TECHNIQUES BY YOUNG.
Best wishes
Dear Zak,
There are mainly two ways to match the chip with the antenna: matching circuits or designing an antenna (meander) for your chip. I prefer the second option so you can control all the aspects of the antenna. You can use multiobjective optimization to do that. Multiobjective algorithms can achieve several goals related to matching as input impedance, VSWR, gain and so on. Since the meander line antenna is easy to model the algorithm runs very fast.
Regards
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