Published:2011/11/24 2:15:00 Author:Ecco | Keyword: Fire engine , information ring
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Published:2011/11/24 2:26:00 Author:Ecco | Keyword: 136.5Hz single-tone
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Published:2011/11/24 2:31:00 Author:Ecco | Keyword: 1MHz , crystal calibrator
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Published:2011/12/1 2:08:00 Author:Ecco | Keyword: General equivalent circuit, package , power amplifier circuit
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Published:2011/12/1 1:59:00 Author:Ecco | Keyword: basic application circuit , integrated operational amplifier
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Published:2011/12/5 2:11:00 Author:Ecco | Keyword: current output, D / A , transforming , voltage
(a) outputs the negative voltage.
(b) output end outputs ±10V.
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Published:2011/11/30 0:51:00 Author:Ecco | Keyword: DC LED driver , transistor
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Published:2011/12/1 1:45:00 Author:Ecco | Keyword: typical application , bridge sensor , signal amplifier
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Published:2011/12/1 1:42:00 Author:Ecco | Keyword: simple application , impedance humidity sensor
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Published:2011/11/30 1:03:00 Author:Ecco | Keyword: driver , many LEDs
The LEDs connected in series isonly driven bya current limitedresistor:
The circuit can drive the LEDs in any quantity:
The LEDs connected in parallel can drive many LEDs:
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Published:2011/11/30 1:24:00 Author:Ecco | Keyword: monostable circuit , optical coupler
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Published:2011/12/1 1:44:00 Author:Ecco | Keyword: internal , half-bridge network, strain gauge , broadband, response signal conditioner
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Published:2011/12/5 20:58:00 Author:Ecco | Keyword: Diode, OR gate
The circuit shown in Figure a is used for positive logic system, and it is known as positive orgate.The circuit shown in Figure b is used for the negative logic system , and it iscalled the negative or gate.
The gate circuit with omissiongate resistor is shown in Figure c .Figure dshows the or gate logic symbols.
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Published:2011/12/5 1:52:00 Author:Ecco | Keyword: Diode , AND gate, decoder
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Published:2011/12/5 1:51:00 Author:Ecco | Keyword: Diode, gate
a) is used for positive logic , and it is called asthe positive AND gate.
b) is used for negative logic , and it is called the negative AND gate.c)is and gate logic symbol.
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Published:2011/12/5 20:52:00 Author:Ecco | Keyword: Diode, transistor , NOR gate
a)shows thediode - transistor NOR gate circuit .b)shows the logical symbols.
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Published:2011/12/5 1:59:00 Author:Ecco
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Published:2011/12/5 1:59:00 Author:Ecco | Keyword: Half-adder
The valuetable:
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Published:2011/12/5 1:58:00 Author:Ecco | Keyword: Shifting, digit picking machine
The figure is the analog color ball random selection device.
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Published:2011/12/5 1:55:00 Author:Ecco | Keyword: logic circuit , operation waveforms , diodes , transistors
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