Looking for a chip for good carrier suppression

Hello! I need a chip which would be 4 independent switches (2-40 Ohm Ron)  that could switch at frequencies up to 30 MHz.

Most importantly, in such connection, as shown, the level of suppression of the carrier frequency would not be below 50-60dB. I modeled ADG712, but the level of suppression of the carrier just 28dB, it does very little!((

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