tuning the hybrid coupler
时间：04-07
整理：3721RD
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im designing a hybrid coupler at 3 GHz. i have used capacitors to tune the electrical length of the coupler to operate at 1 GHz but it transmission loss increases significatenly when it comes to 1 GHz.
does anyone knows the reason why is it doing this.
does anyone knows the reason why is it doing this.
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