Improve the isolation of 90-deg hybrid branch-line coupler
时间：04-09
整理：3721RD
点击：
Hi, everyone. I have a question about how to improve the isolation of the 90-degree hybrid (branch-line) coupler.
I found that a microstrip line realization of such coupler provides about 20 dB isolation. Is it any way to increase the isolation to 30~40 dB?
Thanks.
I found that a microstrip line realization of such coupler provides about 20 dB isolation. Is it any way to increase the isolation to 30~40 dB?
Thanks.
What about strip line design?
- need ways to access the isolation effects of GND vias in PCB layout
- Parasitic Capacitance of the Isolation Resistor of a Wilkinson combiner
- surface current and isolation of antenna
- How to calculate ISOLATION VALUE for VCO output?
- simulating isolation between antenna using farfield of one antenna as source
- Isolation transformer with network analyser