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  • 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...
  • 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...
  • 2016-11-30 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...
  • 2016-08-27 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...
  • 2016-11-27 20:29:16
    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...
  • 2017-02-21 15:07:29
    The electrical signal is a voltage or current that changes over time. It can use its voltage or current amplitude and time as a function of the relationship between the expression can also be used to express the waveform intuitive. The following describes the sine wave voltage signal and square wave signal as an exa...
  • 2016-11-29 13:38:54
    Analysis of the Anti - high - frequency Interference Circuit of Safety CapacitorSafety capacitor is divided into X capacitor and Y capacitor, they are used for EMI / RFI suppression. EMI (Electro Magnetic Interference) for electromagnetic interference, RFI (Radio Frequency Interference) means...
  • 2016-11-29 13:35:48
    Features of Toshiba Super Sensitive CMOS SensorToshiba's smallest ultra-sensitive CMOS sensor has a pixel pitch of only 1.12 microns. The sensor can be used in tablet PCs, smart phones and other fields, covering the commonly used 500-800 million pixel value.The CMOS sensor is the industry'...
  • 2016-08-19 00:49:00
    The standard method of color ring inductance and the same color ring resistance. The size of the volume can be resolved through the size of the current. Because the use of the environment is different, it is impossible to calculate all the inductance requirements in a way, the specific environment of the design. Sm...
  • 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...
  • 2016-11-28 20:04:00
    FRAM single-chip memory technology: FRAM as a code memory, when considering the focus on how to avoid accidental write. Ramtron's FM20L08 128Kx8 FRAM memory, featuring sophisticated block write protection, allows users to designate 8 memory regions as read-only and write FRAM as write SRAM ...
  • 2016-11-30 15:17:16
    Toshiba Tecra R800 seriesTecra R800 series equipped with the second generation of intelligent Intel Core TM i5 dual-core processor *, the peak performance and surging momentum, the success of your every shot uncommon. With up to 8GB of DDR3 memory support, but also make the whole system to maintain high ...
  • 2016-11-27 20:30:22
    Analog Device Testing: Test with an op amp. From the "A" point "virtual ground" concept: ∵ Ix = Iref, ∴ Rx = Vs / V0 * Rref, Vs, Rref excitation source respectively, the instrument calculates the resistance. Measured V0, then Rx can be obtained. If the measured Rx is capacitance, inductance, then V...
  • 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...
  • 2016-08-26 23:05:00
    AVAGO HCPL-2430 HCPL-0300-000.Basic parameterBrand: AVXModel: AVAGO HCPL-2430 HCPL-0300-000E DIP/SOP package.Processing custom: noType: optoelectronic couplerBand: vacuum ultravioletOperation mode: single pulse typeExcitation mode: electric drive type
  • 2017-03-16 18:41:28
    When the PN junction plus the forward voltage, that is, the positive pole of the power supply P area, the negative then connected to the N zone, the applied electric field and the PN junction in the opposite direction of the electric field. Under this applied electric field, the equilibrium state of the PN ju...
  • 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...
  • 2017-02-15 22:41:35
    DeltaScan Simulation Test Technology: DeltaScan utilizes almost all digital device pins and the majority of mixed-signal device pins that have electrostatic discharge protection or parasitic diodes to perform a simple DC current test on the independent pin pairs of the device under test. DeltaScan software s...
  • 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...
  • 2016-11-28 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 =...
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