analogue comb filter

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Has anyone had the opportunity to see an analogue realisation ( using lumped RLC ) of a comb filter?

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Yes. It was working at UHF though which makes things a bit easier in some respects.

#1 This forum helps those that help themselves

#2 All grounds are not created equal

#3 How have you proved that your chip is running at xxMHz?

#4 "If you think you need floating point to solve the problem then you don't understand the problem. If you really do need floating point then you have a problem you do not understand." - Heater's ex-boss

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This filter needs to operate at mains frequency ( 50Hz ) so transmission delay lines are out of the picture.

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Found the answer.
A combination of twin T and a transformer.