the circuits were coupled together

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  • 82Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… …

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  • 83Guitar amplifier — Mesa Boogie Mark IV, a guitar combo amplifier A guitar amplifier (or guitar amp) is an electronic amplifier designed to make the signal of an electric or acoustic guitar louder so that it will produce sound through a loudspeaker. Most guitar… …

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  • 84Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …

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  • 85Semi-trailer truck — A semi trailer truck, also known as tractor trailer or (in the United Kingdom and Ireland) articulated lorry, is an articulated truck or lorry consisting of a towing engine ( tractor in the United States, prime mover in Australia, and truck in… …

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  • 86Dan Lungu — Born September 15, 1969(1969 09 15) Botoşani Occupation novelist, short story writer, sociologist, poet, dramatist, journalist Nationality Romanian Period 1995 …

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  • 87Madrid — This article is about the capital of Spain. For the Community of Madrid, see Madrid (autonomous community). For other uses, see Madrid (disambiguation). Madrid Villa de Madrid …

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  • 88Cavity magnetron — Magnetron with section removed (magnet is not shown) …

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  • 89British Raj — British Empire in India redirects here. For other uses, see British India (disambiguation). India Indian Empire ← …

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  • 90Croatia — /kroh ay sheuh, shee euh/, n. a republic in SE Europe: includes the historical regions of Dalmatia, Istria, and Slavonia; formerly a part of Yugoslavia. 5,026,995, 21,835 sq. mi. (56,555 sq. km) Cap.: Zagreb. Serbo Croatian, Hrvatska. * * *… …

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