voltage-ratio box
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Return ratio — The return ratio of a dependent source in a linear electrical circuit is the negative of the ratio of the current (voltage) returned to the site of the dependent source to the current (voltage) of a replacement independent source. The terms loop… … Wikipedia
Constant voltage method — is a type of MPPT algorithm.[1] This method makes use of the fact that the ratio of maximum power point voltage and the open circuit voltage is 0.76.[2] It is the simplest MPPT control method.[3] Algorithm The operating point of the PV array is… … Wikipedia
Electrical impedance — Electromagnetism Electricity · … Wikipedia
Commodore VIC-20 — Release date 1980 (VIC 1001) / 1981 Discontinued 1985 Operating system Commodore BASIC 2.0 CPU MOS Technology 6502 … Wikipedia
Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge … Wikipedia
Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… … Wikipedia
Diesel locomotive — Three styles of diesel locomotive body: cab unit, hood unit and box cab. These locomotives are operated by Pacific National in Australia … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
Negative feedback amplifier — Figure 1: Ideal negative feedback model A negative feedback amplifier (or more commonly simply a feedback amplifier) is an amplifier which combines a fraction of the output with the input so that a negative feedback opposes the original signal.… … Wikipedia
Scattering parameters — or S parameters are properties used in electrical engineering, electronics engineering, and communication systems engineering describing the electrical behavior of linear electrical networks when undergoing various steady state stimuli by small… … Wikipedia
Large-screen television technology — developed rapidly in the late 1990s and 2000s. Various flat screen technologies are being developed, but only the liquid crystal display (LCD), plasma display (PDP) and Digital Light Processing (DLP) were released on the public market. These… … Wikipedia
