Published:2011/11/1 21:53:00 Author:Ecco | Keyword: output interface , Hall switch, monosilicate
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Published:2011/11/1 21:51:00 Author:Ecco | Keyword: connection, output interface , Hall switch , MOS circuit
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Published:2011/10/18 21:00:00 Author:Ecco | Keyword: logic box
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Published:2011/10/19 1:33:00 Author:Ecco | Keyword: PWM speed regulation, motor
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Published:2011/11/7 20:50:00 Author:Ecco | Keyword: diode , gate decoding
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Published:2011/11/7 20:46:00 Author:Ecco | Keyword: diode , gate decoding circuit
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Published:2011/11/7 20:37:00 Author:Ecco | Keyword: Digital Lunar, Zodiac projection device
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Published:2011/11/3 3:35:00 Author:Ecco | Keyword: VU circuit
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Published:2011/11/8 21:28:00 Author:Ecco | Keyword: internal circuit, typical application
Working diagram is shown as the chart. It represents theinternal circuit diagram and typical application circuitof EC189controlled by 4 × 4 dot matrix sound and light controlling circuit. It mainly consists of the amplification circuit / rectifier, voltage-controlled oscillator (VC0), counter / decoder , driver and power supply voltage regulator and other components.
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Published:2011/11/8 21:35:00 Author:Ecco | Keyword: Typical application
As shown in the chart, due to 3,4 feet output alternately high and low, SCR1 and SCR2 turnand two bulbs flash alternately.
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Published:2011/11/8 21:33:00 Author:Ecco | Keyword: Typical application
As shown in the chart, when the IC's 3,4 feet are alternatinghigh , low , thelight-emitting diodes LED1 and LED2emit light alternately.
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Published:2011/11/3 2:44:00 Author:Ecco | Keyword: FM launcher
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Published:2011/11/1 22:20:00 Author:Ecco | Keyword: FM launcher
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Published:2011/11/3 2:43:00 Author:Ecco | Keyword: FM launcher
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Published:2011/11/3 2:29:00 Author:Ecco | Keyword: DVD circuit
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Published:2011/11/1 21:39:00 Author:Ecco | Keyword: driving 8 LED
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Published:2011/11/1 21:35:00 Author:Ecco | Keyword: driver, 6 LEDs
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Published:2011/11/3 2:08:00 Author:Ecco | Keyword: Layer , high-production , automatically shining , cockerel sound circuit
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Published:2011/11/3 2:11:00 Author:Ecco | Keyword: SCR dynamic braking
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Published:2011/11/3 3:08:00 Author:Ecco | Keyword: Field output
Pin 1: 9V-- power source 1 pin 2: 0.2V-- field trigger pulse input end pin 3: 1.3V-- field control pin 4: L/HV--50/60Hz transform (50Hz=L; 60Hz=H) pin 5: 3V-- external connection saw-tooth wave generating capacitor pin 6: 3.2V-- negative feedback pin 7: 25V-- power source 2 pin 8: 1.2V-- pump power source promotion end pin 9: 0.8V-- filter capacitor pin 10: 0V-- ground pin 11: 13V-- field output pin 12: 24.6V-- power source 3
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