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A working mechanism of a resonant tunneling diode device and negative differential resistance in output characteristic. There is a negative resistance characteristic after the first current peak, due to a reduction of the first energy level below the source Fermi level with gate bias.
Resistance thermometers, also called resistance temperature detectors (RTDs), are sensors used to measure temperature. Many RTD elements consist of a length of fine wire wrapped around a heat-resistant ceramic or glass core but other constructions are also used. The RTD wire is a pure material, typically platinum (Pt), nickel (Ni), or copper ...
The resonant-tunneling diode (RTD) has achieved some of the highest frequencies of any solid-state oscillator. [ 10 ] Another type of tunnel diode is a metal-insulator-insulator-metal (MIIM) diode, where an additional insulator layer allows " step tunneling " for more precise control of the diode. [ 11 ]
The first documented computer architecture was in the correspondence between Charles Babbage and Ada Lovelace, describing the analytical engine.While building the computer Z1 in 1936, Konrad Zuse described in two patent applications for his future projects that machine instructions could be stored in the same storage used for data, i.e., the stored-program concept.
An instruction set architecture (ISA) is an abstract model of a computer, also referred to as computer architecture.A realization of an ISA is called an implementation.An ISA permits multiple implementations that may vary in performance, physical size, and monetary cost (among other things); because the ISA serves as the interface between software and hardware.
The European Union reached a blockbuster free trade agreement Friday with Brazil, Argentina and the three other South American nations in the Mercosur trade alliance, capping a quarter-century of ...
On the verge of his 99th birthday, film legend Dick Van Dyke said he's not afraid to die.. The Emmy-winning actor starred in Coldplay's new music video for the track "All My Love," in which Van ...
A report by the Australian Competition and Consumer Commission said that while the integration of generative AI tools into search engines is still nascent, Big Tech's deep pockets and dominant ...