Doubler and Simulacrum

Doubler noun - An electronic device that doubles the voltage or the frequency of an input signal.

Simulacrum and doubler are semantically related. in something which exactly resembles another topic. In some cases you can use "Simulacrum" instead a noun "Doubler".

Simulacrum noun - A representation of a person (especially in the form of sculpture).

Doubler and simulacrum are semantically related. Sometimes you can replace term "Doubler" with "Simulacrum", this nouns are similar.