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  • 2016-08-19 00:45:54
    The calculation formula of hollow coil inductance: l= (0.01*D*N*N) / (L/D+0.44) coil inductance: l, unit: microhenryThe control circuit) (a current through the DC coefficient AL= / PI L=N2.AL 1: to decide the first self...:: resonant::) (::: coil diameter D, unit: cm coil turn number: n, unit: coil le...
  • 2017-01-13 21:24:27
    1.8.3 Digital integrated circuits There are many types of digital integrated circuit products. They constitute a variety of logic circuits, such as gate circuits, flip-flops, counters, registers, encoders, decoders and so on. In our computer, there are a large number of various functions of the digital integrated ...
  • 2016-12-03 11:13:39
    Toshiba Satellite Pro L600 series featuresSatellite Pro L600 series uses the software performance is unstoppable genuine Windows 7 operating system, but also optional Intel Core i5 dual-core processor, unique Intel Hyper-Threading technology to support multi-tasking and efficient operation; breakthrough R...
  • 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...
  • 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...
  • 2016-08-15 12:00:04
    Automotive relay is a kind of automatic control device when the input quantity (electric, magnetic, acoustic, optical, thermal) reaches a certain value. The automobile relay is a relay which is used in the automobile, the switching load power is big, the impulse and the vibration resistance are high.Auto relay has ...
  • 2016-12-10 09:24:06
    What is a nonlinear resistor?Resistors with different resistances for different end currents are referred to as non-linear resistors. For such a resistor, the resistance is a function of the current flowing in the device. A simple example of a nonlinear resistor is an incandescent lamp. Since it is not a constant ...
  • 2016-08-30 00:15:59
    JT3 series DC electromagnetic relayJT3 DC electromagnetic relay common models are: 48V JT3-11/1 220V JT3-11 JT3-11/1 220V JT3-11 110V JT3-11/1 24V JT3-11/3 24V JT3-11 110V JT3-11/3 48V JT3-11 440V110V JT3-11/5 JT3-11/5 220V JT3-11/3 110V JT3-11/3 220V JT3-20 220V JT3-...
  • 2016-12-13 09:38:26
    Resistor selection1, the model selectionResistor type selection should be based on the use of resistors and occasions to carry out. General household appliances and general electronic equipment use, the choice of general-purpose resistors, their prices are cheap, adequate supply. Military electronic equipment and s...
  • 2017-02-15 22:33:00
    Agilent Handheld Digital Multimeter U1253A FeaturesU1253A is an extension of the Agilent U1250 Series Handheld Digital Multimeter. Instrumentation and simultaneous measurements, as well as the flexibility required to provide quick verification tests, tolerance tests, and tolerance checks.Handheld Digi...
  • 2016-08-30 00:27:47
    Automotive relay is a kind of automatic control device when the input quantity (electric, magnetic, acoustic, optical, thermal) reaches a certain value. The automobile relay is a relay which is used in the automobile, the switching load power is big, the impulse and the vibration resistance are high.Auto relay has t...
  • 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...
  • 2016-12-10 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...
  • 2017-01-13 21:25:39
    1.2.3 The unit of capacitance The basic unit of capacitance is F (method [pull]). The actual capacitance of the device is usually very small, "F" this unit appears too large, so there are other units of capacitance, such as mF (microfarads), uF (microfar), nF (natto), pF ). The conversion relationship betwe...
  • 2017-02-15 22:35:50
    Linear LTC6084 - Dual Channel CMOS AmplifierThe LTC®6084 / LTC6085 are dual-channel / quad-channel, low cost, low offset, rail-to-rail input / output, unity-gain stabilized CMOS op amps with 1pA input bias current. The LTC6084 / LTC6085 has an output stage with a swing within 5mV of any ...
  • 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 ...
  • 2016-12-03 11:27:17
    Resistance to damage characteristicsResistor is the largest number of electrical equipment in the electronic components, resistors are generally the following characteristics of the damage:Short circuit That is, the resistance is zero, directly connected.2. Open circuit. That is, infinite resistance, the circuit ...
  • 2017-02-15 22:37:18
    1. Overvoltage Protection (OVP) Test: When the output voltage of the power supply exceeds its maximum rated voltage, the power supply turns off its output (SHUTDOWN), which is called overvoltage protection. The overvoltage protection test is used to verify that the power supply reacts correctly when the...
  • 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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