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ADRF5046, ADRF5042 switching glitch

Category: Hardware
Product Number: ADRF5046

We are using these switches and noticed a strange behavior. 

We have a driver (Rout 50ohms) that sending a 1.2V DC signal to the RFC input that goes to an RFx output to a 50ohms termination. When we switch this signal to another RFx output that is open, we see a very big glitch on the RFC line.  We probed the RFC line with a high impedance probe and below is the capture.

Could anyone explain what's going on and if it is possible to reduce this glitch?  This happens on both the ADR5046 and ADRF5042.

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