"1"^^ . "Logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED s velkou dynamikou"@cs . "Logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED s velkou dynamikou" . "A logarithmic current-to-voltage converter for measuring DC currents in a wide dynamic range (from 1 pA to 1 mA) is described in this paper. The converter is based on an operational amplifier circuit with a standard commercially-available LED diode used as a nonlinear feedback. A temperature compensation method requiring only one reference amplifier was used. This significantly reduces the complexity and the resulting cost of the converter. The static transfer characteristics of the converter are presented and compared with the uncompensated case."@en . "4"^^ . "1"^^ . "Logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED s velkou dynamikou"@cs . "P\u0159\u00EDsp\u011Bvek popisuje logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED vhodn\u00FD k m\u011B\u0159en\u00ED stejnosm\u011Brn\u00FDch proud\u016F s velkou dynamikou (1 pA a\u017E 0.1 mA). P\u0159evodn\u00EDk je zalo\u017Een na opera\u010Dn\u00EDm zesilova\u010Di s b\u011B\u017En\u011B dostupnou LED diodou pou\u017Eitou na m\u00EDst\u011B neline\u00E1rn\u00EDho prvku ve zp\u011Btn\u00E9 vazb\u011B. P\u0159evodn\u00EDk byl dopln\u011Bn teplotn\u00ED kompenzac\u00ED vy\u017Eaduj\u00EDc\u00ED pouze jeden referen\u010Dn\u00ED logaritmick\u00FD zesilova\u010D. To v\u00FDznamn\u011B zjednodu\u0161ilo obvodov\u00E9 \u0159e\u0161en\u00ED a cenu p\u0159evodn\u00EDku. Prezentov\u00E1ny jsou zm\u011B\u0159en\u00E9 statick\u00E9 p\u0159evodn\u00ED charakteristiky kompenzovan\u00E9ho p\u0159evodn\u00EDku ve srovn\u00E1n\u00ED s nekompenzovan\u00FDm stavem." . "P(GD102/08/H018)" . "LED; current-to-voltage converter; logarithmic amplifier; measurement of low currents"@en . . . . "Logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED s velkou dynamikou"@en . "[4ED43946F390]" . "Logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED s velkou dynamikou"@en . . "Brno" . "21230" . . "Logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED s velkou dynamikou" . "RIV/68407700:21230/08:03145590" . . . "Zv\u016Fle" . "RIV/68407700:21230/08:03145590!RIV09-GA0-21230___" . "Sborn\u00EDk p\u0159\u00EDsp\u011Bvk\u016F konference Zv\u016Fle 2008" . . "2008-08-25+02:00"^^ . "Vysok\u00E9 u\u010Den\u00ED technick\u00E9 v Brn\u011B. Fakulta elektrotechniky a komunika\u010Dn\u00EDch technologi\u00ED" . . . . . "377044" . "P\u0159\u00EDsp\u011Bvek popisuje logaritmick\u00FD p\u0159evodn\u00EDk proud-nap\u011Bt\u00ED vhodn\u00FD k m\u011B\u0159en\u00ED stejnosm\u011Brn\u00FDch proud\u016F s velkou dynamikou (1 pA a\u017E 0.1 mA). P\u0159evodn\u00EDk je zalo\u017Een na opera\u010Dn\u00EDm zesilova\u010Di s b\u011B\u017En\u011B dostupnou LED diodou pou\u017Eitou na m\u00EDst\u011B neline\u00E1rn\u00EDho prvku ve zp\u011Btn\u00E9 vazb\u011B. P\u0159evodn\u00EDk byl dopln\u011Bn teplotn\u00ED kompenzac\u00ED vy\u017Eaduj\u00EDc\u00ED pouze jeden referen\u010Dn\u00ED logaritmick\u00FD zesilova\u010D. To v\u00FDznamn\u011B zjednodu\u0161ilo obvodov\u00E9 \u0159e\u0161en\u00ED a cenu p\u0159evodn\u00EDku. Prezentov\u00E1ny jsou zm\u011B\u0159en\u00E9 statick\u00E9 p\u0159evodn\u00ED charakteristiky kompenzovan\u00E9ho p\u0159evodn\u00EDku ve srovn\u00E1n\u00ED s nekompenzovan\u00FDm stavem."@cs . "Protiva, Pavel" . . "978-80-214-3709-8" . . . . .