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  • 2016-12-10 09:26:00
    VT66 / 66A triode type music integrated circuitVT66 / 66A typical application circuit as shown:VT66 / 66A package with TO92, its shape and plastic 9013-type transistor resembles, and its own with a metal heat sink, there are three leads to feet, and the general use of the same transistor as convenient, it is...
  • 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...
  • 2016-08-27 21:54:57
    The capacitor is composed of two electrodes which are separated by an insulating material (medium), and the electronic element has the function of storing charge. In the circuit, it has to prevent the DC current through, allowing the AC current through the performance, in the circuit can play a bypass, coupling, ...
  • 2017-03-16 18:35:07
    Omron FPC interface refers to the connection of flexible flexible printed circuit board (FPC: Flexible Printed Circuits) and the main printed circuit board interface, mainly for mobile devices within the electrical signal transmission. Digital cameras, mobile phones, notebook computers and other mobile devic...
  • 2016-11-28 20:04:54
    What are the characteristics of RISC microprocessors?RISC processor is the mainstream of today's UNIX 64-bit multi-processor chips, RISC processor instruction is simple, hard-wired control logic, processing power and speed, the vast majority of UNIX workstations and server vendors are using RI...
  • 2016-11-30 15:14:48
    Holtek Multichannel C / R-F Microcontrollers HT45R36It is understood that, multi-channel C / R-F microcontroller HT45R36 is a ROM 2kx14, RAM is 120 bytes, I / O up to 9-port MCU. In addition, the HT45R36 provides 16 channel C / RF functions, two external interrupt pins that can be set ...
  • 2016-11-28 20:01:43
    1.2 Capacitors Capacitors are often referred to simply as "capacitors". It is in the electronic circuit has a very important role in the composition of electronic circuits is one of the basic components. Figure 1.25 shows several different capacitors.
  • 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
  • 2016-11-26 19:18:32
    Agilent U1253A Handheld Digital Multimeter FeaturesThe U1253A is an extension of the Agilent U1250 Series handheld digital multimeter. Instrumentation can perform simultaneous measurements and provide the flexibility needed for fast verification tests, tolerance tests, and tolerance checks.Hand-held digi...
  • 2016-12-10 09:27:36
    Hi-Fi audio in the electronic components - metal film resistorsIn order to better achieve the perfect sound quality, Hi-Fi audio circuit commonly used in low thermal noise, good stability of the resistance, in all kinds of resistors, the metal film resistor performance is particularly good.Metal film resistance i...
  • 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 =...
  • 2017-02-15 22:40:21
    Many test engineers believe that the limits of the electrical test parameters are the allowable range set for the parameter test. The use of the electrical limit is used to reduce the customer's product when the product is measured in the product relative to the product. The probability of a problem.In most of ...
  • 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 ...
  • 2016-12-19 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...
  • 2016-11-29 19:45:08
    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...
  • 2016-11-29 13:39:48
    Holtek vacuum fluorescent display tube HT49RVx full rangeHoltek's 8-bit vacuum fluorescent display HT49RVx is a full range of 16K, 8K, 4K, 2K OTP ROM program memory for customers with 768byte, 384byte, 192byte and 96byte Data RAM, depending on their needs.The HT49RVx family includes two...
  • 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 ...
  • 2016-12-12 13:43:19
    Characteristics of VaristorsVaristor is a variety of semiconductor resistors. Varistor has the characteristics of fast response time, low leakage current, excellent voltage ratio, broad voltage-to-energy ratio, low standby power and no follow-up current, high efficiency surge current handling capability and suppres...
  • 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 ...
  • 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...
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