"RIV/49777513:23220/14:43920242" . "Measuring amplifier 10 Hz - 250 kHz"@en . "Ekonomick\u00E9 parametry se neuv\u00E1d\u011Bj\u00ED, v\u00FDsledek je vyu\u017E\u00EDv\u00E1n p\u0159\u00EDjemcem. Kontaktn\u00ED osoba Z\u010CU: Ing. Tom\u00E1\u0161 Kaval\u00EDr, Z\u00E1pado\u010Desk\u00E1 univerzita v Plzni, Univerzitn\u00ED 22, 306 14 Plze\u0148, Katedra aplikovan\u00E9 elektroniky a telekomunikac\u00ED." . "P(ED2.1.00/03.0094), S" . "V\u00FDkonov\u00FD m\u011B\u0159\u00EDc\u00ED zesilova\u010D 10 Hz ? 250 kHz"@cs . "V\u00FDkonov\u00FD m\u011B\u0159\u00EDc\u00ED zesilova\u010D 10 Hz ? 250 kHz"@cs . . "The device is designed primarily for measurement technique, which allows to amplify the signal from NF generator at a sufficient power level. The entire device including the cooling system is designed for continuous output power of 10 W (20 W in the short term) into a resistive load 4 to 16 ohms over the frequency range of 10 Hz to 250 kHz. The device is based on a power operational amplifier LM 3886T, which special involvement ensures sufficient bandwidth that is difficult to classical discrete technologies implemented. Adjustment was applied to the feedback and correction circuits, to ensure sufficient stability even at complex load."@en . "[27A5054AD15B]" . "Za\u0159\u00EDzen\u00ED je ur\u010Deno p\u0159edev\u0161\u00EDm pro oblast m\u011B\u0159\u00EDc\u00ED techniky, kde umo\u017E\u0148uje zes\u00EDlit sign\u00E1l z NF gener\u00E1toru na dostate\u010Dnou v\u00FDkonovou \u00FArove\u0148. Cel\u00E9 za\u0159\u00EDzen\u00ED v\u010Detn\u011B chlad\u00EDc\u00EDho syst\u00E9mu je dimenzov\u00E1n na trval\u00FD v\u00FDstupn\u00ED v\u00FDkon 10 W (kr\u00E1tkodob\u011B 20 W) do odporov\u00E9 z\u00E1t\u011B\u017Ee 4 - 16 ohm\u016F v cel\u00E9m kmito\u010Dtov\u00E9m rozsahu 10 Hz a\u017E 250 kHz. P\u0159i n\u00E1vrhu bylo pou\u017Eito obvodov\u00E9ho simul\u00E1toru, s jeho\u017E pomoc\u00ED byly ur\u010Deny podstatn\u00E9 parametry a bylo ov\u011B\u0159eno, \u017Ee za\u0159\u00EDzen\u00ED je realizovateln\u00E9 a dostate\u010Dn\u011B stabiln\u00ED. N\u00E1sledn\u011B byl vytvo\u0159en funk\u010Dn\u00ED prototyp, u kter\u00E9ho byly odm\u011B\u0159eny dosa\u017Eiteln\u00E9 parametry. P\u0159i v\u00FDvoji se vych\u00E1zelo z v\u00FDkonov\u00E9ho opera\u010Dn\u00EDho zesilova\u010De LM 3886T, jeho\u017E speci\u00E1ln\u00ED zapojen\u00ED zaru\u010Duje dostate\u010Dnou \u0161\u00ED\u0159ku p\u00E1sma, kter\u00E1 je klasickou diskr\u00E9tn\u00ED technologi\u00ED obt\u00ED\u017En\u011B realizov\u00E1na. Byla provedena \u00FAprava zp\u011Btnovazebn\u00EDch a kompenza\u010Dn\u00EDch obvod\u016F, pro zaji\u0161t\u011Bn\u00ED dostate\u010Dn\u00E9 stability i p\u0159i komplexn\u00ED z\u00E1t\u011B\u017Ei"@cs . . "V\u00FDkonov\u00FD m\u011B\u0159\u00EDc\u00ED zesilova\u010D 10 Hz ? 250 kHz" . "Kindl, Vladim\u00EDr" . . "20AMP250W" . "Za\u0159\u00EDzen\u00ED je ur\u010Deno p\u0159edev\u0161\u00EDm pro oblast m\u011B\u0159\u00EDc\u00ED techniky, kde umo\u017E\u0148uje zes\u00EDlit sign\u00E1l z NF gener\u00E1toru na dostate\u010Dnou v\u00FDkonovou \u00FArove\u0148. Cel\u00E9 za\u0159\u00EDzen\u00ED v\u010Detn\u011B chlad\u00EDc\u00EDho syst\u00E9mu je dimenzov\u00E1n na trval\u00FD v\u00FDstupn\u00ED v\u00FDkon 10 W (kr\u00E1tkodob\u011B 20 W) do odporov\u00E9 z\u00E1t\u011B\u017Ee 4 - 16 ohm\u016F v cel\u00E9m kmito\u010Dtov\u00E9m rozsahu 10 Hz a\u017E 250 kHz. P\u0159i n\u00E1vrhu bylo pou\u017Eito obvodov\u00E9ho simul\u00E1toru, s jeho\u017E pomoc\u00ED byly ur\u010Deny podstatn\u00E9 parametry a bylo ov\u011B\u0159eno, \u017Ee za\u0159\u00EDzen\u00ED je realizovateln\u00E9 a dostate\u010Dn\u011B stabiln\u00ED. N\u00E1sledn\u011B byl vytvo\u0159en funk\u010Dn\u00ED prototyp, u kter\u00E9ho byly odm\u011B\u0159eny dosa\u017Eiteln\u00E9 parametry. P\u0159i v\u00FDvoji se vych\u00E1zelo z v\u00FDkonov\u00E9ho opera\u010Dn\u00EDho zesilova\u010De LM 3886T, jeho\u017E speci\u00E1ln\u00ED zapojen\u00ED zaru\u010Duje dostate\u010Dnou \u0161\u00ED\u0159ku p\u00E1sma, kter\u00E1 je klasickou diskr\u00E9tn\u00ED technologi\u00ED obt\u00ED\u017En\u011B realizov\u00E1na. Byla provedena \u00FAprava zp\u011Btnovazebn\u00EDch a kompenza\u010Dn\u00EDch obvod\u016F, pro zaji\u0161t\u011Bn\u00ED dostate\u010Dn\u00E9 stability i p\u0159i komplexn\u00ED z\u00E1t\u011B\u017Ei" . . "23220" . "RIV/49777513:23220/14:43920242!RIV15-MSM-23220___" . . . . . "54484" . . . . . "Umo\u017E\u0148uje m\u011B\u0159it p\u0159i relativn\u011B vysok\u00FDch frekvenc\u00EDch na dosta\u010Duj\u00EDc\u00ED v\u00FDkonov\u00E9 \u00FArovni." . . . "LM 3886T; amplifier; Measuring"@en . "Measuring amplifier 10 Hz - 250 kHz"@en . "Kaval\u00EDr, Tom\u00E1\u0161" . . "V\u00FDkonov\u00FD m\u011B\u0159\u00EDc\u00ED zesilova\u010D 10 Hz ? 250 kHz" . . "2"^^ . . "2"^^ . . . .