Distributed Amplifier Layout

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avadak

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Dear Sir,
I'm designing my first analog layout. In particular I'm designinng a conventional four stages Distributed Amplifier with SG13S process. When I introduce the inductors in the layout, I obtain a loss of gain of 2 dB due to the interconnection routes. Could you suggest me how can I improve the interconnection? I attach a figure of my layout.
Thanks in advance and sorry for my english.

Best regards
 

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