rf pickups circuits

hi
i need some information about "RF pickup circuit"
what is the meaning of "pickup circuit " and what is it?
thanks very much

search google with word define:pickup to find what meanings this synonym can have at RF it can be antenna+receiver/detector etc

Do you mean an RF probe?

hi
thanks but i dont find any related topic in google
i dont know what is the pickup circuit plz help me about it

to pick up, to collect, to gather, to take up
it is a circuit which perform that