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  • 2016-12-19 09:51:51
    According to the technical distinction: from its working principle and the core components to distinguish between black and white power is also possible, black power is more through the electronic components, circuit boards, and white is more electrical energy through the motor will be converted to heat, Kinetic ener...
  • 2016-11-28 20:02:59
    1.1.7 Nomenclature of Domestic Resistors Domestic resistor model consists of the following five components: RJ73 said precision metal film resistors; WXW2 said wire-wound trimmer; WT1 saidOrdinary carbon film potentiometer. Due to the continuous development of varieties of resistors, coupled with the int...
  • 2016-11-30 15:15:45
    Holtek 8 - bit ControllerHoltek's 8-bit controller, the HT45RM03, is Holtek's new product for the three-phase brushless DC motor control field. HT45RM03 has 4K OTP program memory (ROM) and 192 Byte general data memory (RAM), operating voltage 2.2V ~ 5.5V, the maximum system frequency ...
  • 2016-12-10 09:28:15
    Rules for the Implementation of Safety Inspection of ResistorsIn order to achieve the safe use of resistors, we must know the details of the implementation of the resistor safety inspection.First, informationProduct specifications, safety key components or raw materials list (material name, model specifications...
  • 2017-02-15 22:38:43
    1, the output voltage adjustment: the manufacture of switching power supply, the first test step is to adjust the output voltage to the specification range. After this step is completed, ensure that subsequent specifications are met.2, power regulation: power regulation rate is defined as the power supply in the input...
  • 2016-11-28 19:59:29
    1.2.5 series and parallel capacitors 1. Series connection of capacitors The number of capacitor plates connected end to end, connected into a string, which is the capacitor in series. Figure 1.27 is a series circuit of three capacitors. Assuming that the total capacitance of the series capacitor is C, 1 / C =...
  • 2016-08-27 21:52:39
    Electronic components has a different package types, different types of element shape, but the internal structure and purpose is not the same as in the, such as to220 package components may triode, controllable silicon, field effect transistor, or double diode.TO-3 package components have a transistor, integrated ci...
  • 2016-11-29 19:46:11
    HSDPA mobility: In HSDPA, the introduction of the HS-DSCH channel, the design mechanism is not soft-switching, that is, in the high-speed data transmission, while only one Serving Cell service. In the R5, the change of the HS-DSCH Serving Cell can only be realized through the physical chann...
  • 2016-08-19 00:51:51
    The magnet can be induction to the space of all magnetic signals around within a certain range, continuous in each frequency resonance is generated at the top of the coil and variable capacitance and resonant frequency of the corresponding foreign frequency will be selected and amplifier with sound, deviate from the b...
  • 2016-08-19 00:55:38
    Ring winding machine seriesRing type winding the line machine various types, head of different products can be interchanged, flexible and convenient operation, fast speed and high efficiency, quality and quantity, price is reasonable, applicable wire diameter 0.06~1.5MM. minimum diameter of 2mm. Mainly the followi...
  • 2016-11-30 15:16:38
    Holtek 8 - bit MicrocontrollersHoltek HT46CU25 micro controller HT46CU25 for home appliances and industrial control applications: such as: switching power supply, induction cooker, electronic pot, air conditioning equipment, temperature control fans, dishwasher, motor speed controller, washing machines. The...
  • 2016-12-12 13:40:49
    Fixed resistance testing method(1) Rotate the multimeter's function selector switch to the resistance range and select the appropriate range according to the nominal value.(2) Analog multimeter first two short-circuit test pen, zero; digital multimeter will be two short-circuit test pen, read the original readin...
  • 2016-12-12 13:41:19
    Five color ring and four color ring resistorThe color ring resistor is the most common type of resistor used in a variety of electronic devices. Now the color ring resistor has five color ring also has four color ring resistor. The five color ring and the difference between the four color ring where?Five-color rin...
  • 2016-12-03 11:08:29
    Toshiba Satellite Pro C600 series featuresThe Satellite Pro C600 series is equipped with a new generation of Intel processing platforms, with strong dual-core power, with 2GB DDR3 memory, to achieve high-speed stable system operation and lower power consumption, easy to deal with heavy task handling needs...
  • 2016-12-12 13:39:05
    What is the role of the resistor?The role of the resistor is as follows:[1] convert the current into voltage: when the current flows through the resistor, the resistor at both ends will have a resistance drop, so that the current in the circuit can be converted into voltage.[2] Partial voltage: When a voltage is to...
  • 2017-02-15 22:33:49
    Agilent InfiniiVision X Series product featuresAgilent InfiniiVision 2000 and 3000 X series oscilloscope to join, to achieve the original breakthrough on the original MegaZoom technology. The Agilent InfiniiVision X Series integrates function signal generators and logic channels into the field of econo...
  • 2016-12-03 11:20:12
    Electromagnetic relay working principleElectromagnetic relay generally by the electromagnet, armature, spring, contacts and other components, and its working circuit from the low-voltage control circuit and high-voltage circuit composed of two parts. As long as both ends of the coil with a certain voltage, the coil ...
  • 2017-01-13 21:28:16
    In the circuit diagram, a capacitor (fixed capacitor) is represented by the graphical symbol shown in Figure 1-26. The capacitor character is the letter "c". If there are multiple capacitors in the circuit diagram, use the letter "c" plus the number to be distinguished, for example: c1, c2, c3 ...... In the mor...
  • 2016-08-24 15:11:04
    The AQV227N optocoupler solid-state relay optocoupler relayBasic parameterBrand: Panasonic/Model: AQV227NProcessing custom: YesType: optoelectronic couplerBand range: far infraredOperation mode: mode
  • 2016-12-03 11:16:43
    Selection of braking resistor usageBraking Resistor A braking resistor is a carrier used to dissipate the regenerative energy of a motor in thermal energy. It is mainly used in inverter control motor fast stop mechanical system to help the motor because of its rapid parking generated by the regeneration of electri...
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