Published:2011/5/12 20:52:00 Author:Nicole | Keyword: IGBT, high frequency inverter, electric welding machine
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Published:2011/5/12 20:52:00 Author:Ecco | Keyword: Panasonic , computerized microwave
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Published:2011/5/12 18:58:00 Author:TaoXi | Keyword: LG elevator, terminal switch, outbound button, pay-off circuit
LG elevator terminal switch and the outbound button pay-off circuit (View)
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Published:2011/5/12 18:58:00 Author:TaoXi | Keyword: elevator, main circuit
TKJ-8201a elevator main circuit (View)
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Published:2011/5/12 18:55:00 Author:TaoXi | Keyword: LG elevator, floor indicator
LG elevator floor indicator circuit (View)
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Published:2011/5/12 18:52:00 Author:TaoXi | Keyword: LG elevator, outbound button, indicator light
LG elevator outbound button and the indicator light circuit (View)
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Published:2011/5/12 18:54:00 Author:TaoXi | Keyword: LG elevator, internal choice-button, indicator light
The LG elevator internal choice-button and the indicator light circuit (View)
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Published:2011/5/12 9:31:00 Author:Robert | Keyword: SCR, Trigger
The unijunction transistor Q1 is used as the clock for the relaxation oscillator to drive one trigger of the 7473 double triggers. The output Q is used to trigger the SCR so that the power voltage can be chosen freely according to the application. But it can not exceed the rated voltage of SCR.
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Published:2011/5/12 9:48:00 Author:Robert | Keyword: Wheat, Seeder, Particles, Clogging, Alarm
The wheat seeder particles clogging alarm circuit is shown below.
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Published:2011/5/12 9:37:00 Author:Robert | Keyword: Infrared Detecting, Voice, Alarm
The Infrared Detecting Voice Alarm Device Circuit is shown below.
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Published:2011/5/12 19:54:00 Author:Robert | Keyword: General Brand, Cool Refrigerator, Frozen Food Room, Ice-Making Room
The General Brand Cool Refrigerator With Frozen Food Room And Ice-Making Room Circuit is shown below.
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Published:2011/5/12 9:59:00 Author:Robert | Keyword: KV Protection
A KV Protection Circuit is shown below.
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Published:2011/5/12 10:00:00 Author:Robert | Keyword: Summer, Air Conditioner, Working Principle
The Summer Air Conditioner Working Principle Circuit is shown below.
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Published:2011/5/12 9:54:00 Author:Robert | Keyword: Illumination Intensity, Meter
The Illumination Intensity Meter Circuit is shown below.
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Published:2011/5/8 5:47:00 Author:Rebekka | Keyword: New phone line protection
New phone line protection circuit is shown as below. Telephone wiring in the T and R ends. When someone steal the outside line. BG1 will be conducted. The voltage between T and R is only 2V. The protection will reset automatically after hanging up. When you are calling, press K. If the LED does not light means there is eavesdropping; If the LED lights, it shows that lines are not tapped. (View)
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Published:2011/5/8 7:36:00 Author:Rebekka | Keyword: analog timer
The predetermined analog timer circuit diagram is shown as below. It uses programmable power switch CA3094 to constitute the predetermined analog timer. The circuit gives four kinds of delay selection. It uses potentiometer R6 to set the initial time. When S2 connects to R4, click S1, the triac can work for 1 hour. (View)
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Published:2011/5/11 23:06:00 Author:Robert | Keyword: Bipolar Power Transistor
The Using CS1842To Drive Directly Bipolar Power Transistor Circuit is shown below.
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Published:2011/5/11 23:07:00 Author:Robert | Keyword: M06 Transistor
The Using CS1842 To Drive Directly M06 Transistor Circuit is shown below.
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Published:2011/5/11 23:07:00 Author:Robert | Keyword: Bipolar Transistor, Half-Bridge
The Using CW1525A To Drive Bipolar Transistor Half-Bridge Circuit is shown below.
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Published:2011/5/11 7:23:00 Author:Christina | Keyword: simplest, radio circuit
The The simplest radio circuit is as shown:
The tuning circuit is composed of the L1 and C1, the wave-detection circuit is composed of the VD and C2, the coupling circuit is composed of the L1 and L2.
Signal waveform of the before-detection and after-detection:
The advantages and disadvantages of the direct broadcast type radio:
The advantages: the circuit is simple, small-size, low cost, easy to carry and easy to make.
The disadvantages: the sensitivity is low, poor selection.
The advantages and disadvantages of the heterodyne type radio:
The advantages: the sensitivity is high, good selection.
The disadvantages: the circuit is complex, high cost, hard to make. (View)
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