Top Circuits Page 116
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TMS320C6678 DSP is a section of DSP based on KeyStone framework that TI released newly, have 8 kernel, the intersection of operating speed and until the the intersection of product and of various fields performance index increase reachable 10 GHz. while....
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The programmable power supply is the association of one of the integrated test system of guided missile, are used for offering and testing various required direct-flow stabilized voltage supply of guided missile, in addition have functions such as....
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The designer is seeking the solution with higher efficiency, with lower power consumption, in the hope of reducing the needless energy loss. Utilize syntony inductance to shake the capacitive LLC syntony converter harmoniously, use the zero voltage switch....
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In the daily life and production, a lot of occasions such as car roll back, robot avoid hindering, industrial well logging, liquid level measurement of the reservoir etc. to need to carry on the range finding of non-contact automatically. Supersonic wave....
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The design of the combinational logic circuit is varied, I choose a kind of add even check circuit implementation to explain in detail. The parity check circuit has certain typicality and practicability in analysis and design of the combinational logic....
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At present, that utilize in the high-power, high frequency, narrow pulsing application is basically vacuum tubes, for instance: Secondary electron transmitting tube, discharge gap switch, trigatron, hydrogen brake pipe, etc. The main research direction is....
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The part is deformed because various thermal influence in the course of processing, thus cause the original machining accuracy to be destroyed or caused directly and processed the error. As to precision finishing, the influence of hot deformation is....
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This making adopts the port as supplying power of USB mouth, carry on the information acquisition of the temperature with DS18B20 temperature sensor, control with AT89C2051 one-chip computer, adopts the common anode nixie tube of quad bit to reveal, thus....
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The part of the hardware mainly finishes the magnification of sound, when the sound is enough large, have measured on can lead this signal into the one-chip computer ing. The hardware makes up the frame picture and is shown by 1-1. Mainly made up of CPU,....
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Daily switching power supply, mainly offer the direct current power supply for electronic device and supply power. The required direct-current volts of the electronic device, ranges are generally all between several volts and more than ten volts, and the....
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Will be examined the digitization of temperature to reveal not enough yet its course of change of complete response and change the law in some detection fields, and it is one of the effective methods to draw out the curve of trend. A solution to sample the....
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This design synthesis has considered the survey accuracy of the frequency and measured the requirement of response time. For example it is 3 significant digits to look on the measuring result of the frequency as, require, at this moment if the frequency of....
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At present, the switching power supply is with its high performance, high efficiency 75%, the switching power supply efficiency of the single scale integration has already been more than 90% now, This pair solves the energy problem and plays a role in adding....
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With the microelectronics and technical fast development of information, the digital technical development represented by one-chip computer changes with each passing day. Because one-chip computer have small, low power dissipation, strong expanding....
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In industrial production, flow measurement is to employ the extensive measurement physical quantity. Under special circumstances, when for instance vertical externally positioned installation probes of difficult pipeline such as the oil well, etc. , need to....
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Field bus technology and intelligent instrument technology are automatic and controlling the trade to develop two major most quick technology at present. In the field bus technology, CAN bus line develops a kind of comparatively fast agreement standards,....
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Mode control of the average current CMC Require it in order to control the total waveform of electric current of rebuild of cycle. This text recommend, choose concrete the intersection of voltage transformer and required some step for you, and how design one....
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The sphygmomanometer can roughly be divided into two kinds at present: First, mercury sphygmomanometer, steady for number value advantage its, shortcoming its operate by oneself for unable one, must be professional the medical personnel operates, and the....
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With the wide application of Flash technology on the microprocessor, make the one-chip computer have revolutionary changes in developing and employing the means, from the traditional simulator ICE Popular JTAG up till now, designers are looking for lower....
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The figure adopts the controller as the capital equipment that digital quantity is gathered and controlled in the on-the-spot monitor system, the stability of the on-the-spot control work to the overall system of its characteristic has very important....
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The grain measures the main technical indicator of grain quality to includes miscellaneous rate and volume density, not only determine grade and price of the grain, but also know direct influence it processes quality and edible quality. And stipulate the....
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With the technical development, appearance and employing extensively of the large high-accuracy dynamic range D/ A converter at full speed of digital signal processing, because of sampling technique and computing technique, generated frequency is relatively....
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The voltage measurement is very general in electron technology at present, accuracy requirement and functional requirement for the instrument are higher and higher, especially under the situation that the signal power to be measured is with maximal phase....
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In electron technology, the triode uses a kind of extremely general components and parts, the parameter of the triode and a lot of electricity parametric measurement schemes, measuring results have a very close relation, so, in the electronic design, the....
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The cardinal principle originally designed is, the temperature value that the one-chip computer gathers the temperature sensor real time and place is compared with thermostatical values presumed and dealt with. Thus control and keep the temperature value of....
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With the high-speed development of social economy, the human demand for electric energy is larger and larger. Under non-renewable, situations in short day by day of energy such as the fossil energy, etc. , the increasingly many country realizes the power....
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Have already gone through 3 stages till a few days ago in the developing of street lamp control device of solar energy: First generation function simple and crude, turn on or off light, control, need, connect light sensitive in conformity with device,....
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When the input voltage is 198- 242V, the mean value of the load current is 0. 5- 1A, the mean value of the output voltage should keep in 15V, the error is smaller than 5% : 1 When the input voltage is 198- 242V, the mean value of the load current is 0. 5-....
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We have adopted the one-chip computer, utilize the advantage of the one-chip computer to design this survey meter. This survey meter can read out the resistance quantity measured from LCD display screen directly, the measurement limit is 10 2. 9999k, can....
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The motor vehicle is the automotive of no emission at present, as the means of transportation of green, will bring the huge change to human society in the 21st century. And the direct-flow brushless electric machine relies on its fine characteristic to....
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The intersection of industry and data collecting system, hydrometeorologicalcontrol system, robot control system, digital image transmission system, etc. , it is due to the electron transport of the data information. We can say, the data information....
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This one will report about and introduce two very important resources within the one-chip computer -Timing / counter and interrupt system. Say through this, readers can know the operating principle of the timer and interrupt system of the one-chip computer.....
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Because small, precision high, high sensitivity and definition higher advantage with low price of having size of SAW sensor, so has produced SAW gas sensor composed of surface acoustic wave device, sensitive membrane and relevant detection circuit. The....
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The output current range of the parameter current regulator is little, the current regulator is not tall in precision; It is small to connect the feedback adjustment type output current of the current stabilized power source in series, efficiency is lower;....
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ZSSC1856 of ZMDI Company is the double-channel ADC of integrating embedded MCU, made up of two chips, PQFN32 5x5mm capsulates. Basic chip SBC of the system Having included the high tension circuit, LIN transceiver and including the peripheral hardware, 18....
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Most small internal-combustion engines commonly used in the model-building world use glow plugs for starting. Unfortunately, glow plugs have an operating voltage of 1. 5 V, while fuel pumps, starter motors, chargers and the like generally run on 12 V. This....
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This article is about a simple 5 channel radio remote control circuit based on ICs TX-2B and RX-2B from Silan Semiconductors. TX-2B / RX-2B is a remote encoder decoder pair that can be used for remote control applications. TX-2B / RX-2B has five channels,....
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This electronic cricket is a present for Kids. This simple battery powered circuit can be used to play Cricket Match with your friends. Each LED in the circuit indicates various status of the cricket match like Sixer, Run out, Catch etc. The Circuit uses two....
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The circuit below illustrates how to build your own daq_lite - also shown is a photo of a completed PCB board. Note that the 80mA fuse shown in the photo and the protection diode close to it are recommended but not necessary. Once you`ve built the circuit....
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A simple oscillator circuit that varies the duty cycle over a wide range without affecting the frequency. It is a variation of the simple 555 astable oscillator. Initially, I told a reader that there was no standard 555 circuit that could do this, but then....
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This circuit turns-off an amplifier or any other device when a low level audio signal fed to its input is absent for 15 minutes at least. Pushing P1 the device is switched-on feeding any appliance connected to SK1. Input audio signal is boosted and squared....
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All miniature electronic devices operate off batteries. Some of them need higher than the standard battery voltages to operate efficiently. If the battery of that specific voltage is unavailable, we are forced to connect additional cells in series to step up....
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Valves are enjoying increasing popularity in audio systems. With the European E` series of valves, such as the ECC83 (12AX7) and EL84 (6BQ5), the filament voltage is 6. 3 V. Depending on how the circuit is wired, the ECC 81 83 series of twin triodes can also....
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Inexpensive miniature transformers normally provide one or two secondary voltages, which is sufficient for generating a set of positive and negative supply voltages, such as are needed for operational amplifier circuits. But what can you do if you need an....
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This circuit in below uses two quad voltage comparator using IC LM339 to illuminate a series of 8 LEDs indicating volume level. Each of the 8 comparators is biased at increasing voltages set by the voltage divider so that the lower right LED comes on first....
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The circuit can be operated from 4. 5V to 12V DC or direct from the brake point of the motor-bike, Resistor R7 should be replaced with 1-ohm. 1/2W in case of an 8-ohm speaker. T5 is a driver transistor. C3 polarity can be reversed for a sudden off of the....
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This circuit operates at potentially lethal 220V AC mains voltage. The circuit should be built and used only by people who know hot to safely work with such dangerous voltages and how to built the circuit so that it is safe to use. Solid-state light dimmers....
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This handy circuit can be used as a speed controller for a 12V motor rated up to 5A (continuous) or as a dimmer for a 12V halogen or standard incandescent lamp rated up to 50W. It varies the power to the load (motor or lamp) using pulse width modulation....
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Here`s a very simple, but practical circuit, which is used to check the type of LAN cables (straight or cross) as well as possible faults. So we use a unit that has 8 outputs, each one of which produces a pulse successivly. Only one output can be high at any....
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This simple device allows two computers to share a single USB printer or some other USB device, such as an external flash drive, memory card reader or scanner. A rotary switch selects the PC that you wish to use with the USB device, while two LEDs indicate....
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Sound mixer circuit of Service This mixer is easy to implement and Expensive as it consists of 2 transistors And some simple resistors and capacito...
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Provision in the speed of a small engine DC Motor speed control circuit of Service By a small rheostat control In DC motor Circuit diagram...
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Build A 20 Amp 13.8 Volt Power Supply Row circle There are some applications Electronic that you may need to run a relatively high current circuits such as tra...
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Frequency Meter Circuit of Service Include all the standard frequency bands amateur hf and vhf and uhf And displayed on the LCD screen This is to e...
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Robot eyes circuit of Service A simple circuit to simulate a man appointed to It is a dual-lamp working in a manner UNSTEADY Circuit diagram...
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Telephone ring amplifier of Service Speaker phone ringing bell Circuit diagram Electronic items Resistance of 33 kilo ohms 2 Resistance 47 Kilo Ohm...
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This multitone electronic siren is useful for burglar alarms, reverse horns, etc. It produces five different audio tones and is much more earcatching than a single-tone siren. The circuit is built around popular CMOS oscillator-cum-divider IC 4060 and small....
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One of the most popular electronic IC number. There are many different symbols depending on the firm and ability to meet such as 74HC47, 74HCT47, 74LS47, . This is a sign dedicated decoder IC for LED 7-segment common anode. Application when it needs to....
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miRover. This pages details how to use a PIC microcontroller and an H-bridge or a L298 to drive a Bipolar stepper motor..
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The acronym FACTS stands for “flexible ac transmission systems.â€These systems add some of the virtues of DC, i.e., phase independence and fast...
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A distribution substation, is characterized by the apparent power of the transformer and whether it is aerial, terrestrial or underground..
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Electrical lines which include lighting circuits begin from the main distribution panel of the installation and each line contains three conductors: phase, neutral and ground. All three conductors reach to the terminal point of each luminaire and if it has a....
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Frequency converters are protected from surges with surge protective devices for which the maximum continuous operating voltage Uc has to be taken...
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Here I have described how to connect a 16 by 2 LCD display to a microcontroller. Here I have demostrated it with very common pic 16F877A. This is the circuit diagram. Here I haven`t showed the power supply and oscillator connection for pic and LCD. LCD....
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