Published:2011/12/6 1:39:00 Author:Ecco | Keyword: FET input, high-fidelity, operational amplifier


Simplified schematic diagram:
Zero wiring diagram:
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Published:2011/11/29 1:48:00 Author:Ecco | Keyword: Samsung , mobile phone repairing , physical diagram
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Published:2011/11/29 1:49:00 Author:Ecco | Keyword: Samsung , mobile phone repairing , physical diagram
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Published:2011/11/29 1:43:00 Author:Ecco | Keyword: Samsung , mobile phone repairing, physical diagram
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Published:2011/11/29 1:42:00 Author:Ecco | Keyword: Samsung, mobile phone repairing , physical diagram
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Published:2011/11/29 1:42:00 Author:Ecco | Keyword: Samsung, mobile phone repairing , physical diagram
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Published:2011/11/29 1:40:00 Author:Ecco | Keyword: Samsung , mobile phone repairing , physical diagram
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Published:2011/12/1 2:11:00 Author:Ecco | Keyword: Balanced DC amplifier , NPN , PNP
Tr3 and Tr4 can use Darlington transistors.
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Published:2011/12/1 1:57:00 Author:Ecco | Keyword: Integrated, audio power amplifier


LM380 internal equivalent circuit :
LM380 application circuit:
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Published:2011/12/6 1:33:00 Author:Ecco | Keyword: Precision , unity-gain , inverting amplifier
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Published:2011/12/5 21:26:00 Author:Ecco | Keyword: Precision , inverting amplifier
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Published:2011/12/6 1:34:00 Author:Ecco | Keyword: Transistor, bistable trigger
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Published:2011/12/5 2:33:00 Author:Ecco | Keyword: transistor , NAND gate , two input ends
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Published:2011/12/5 2:25:00 Author:Ecco | Keyword: threshold , NOT gate , pre- gate resistor
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Published:2011/12/5 20:27:00 Author:Ecco | Keyword: Transistor , NOR gate
a) shows the zero negative logic ;b) shows the zero positive logic;c)shows thelogical symbols.
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Published:2011/12/5 20:25:00 Author:Ecco | Keyword: Transistor, or gate
a) shows the transistor or gate .b) shows the logical symbols.
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Published:2011/12/6 20:25:00 Author:Ecco | Keyword: application circuit, output current , load current
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Published:2011/12/5 20:22:00 Author:Ecco | Keyword: INHIBITORY-gate


a) shows the INHIBITORY-gate circuitb) shows the logic symbol
Truth table is shown as below.
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Published:2011/12/5 21:12:00 Author:Ecco | Keyword: SCR driver amplifier
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Published:2011/11/29 1:47:00 Author:Ecco | Keyword: Konka , repairing diagram
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