Repository-circuits
- Page 102-
The requirements for electric energy quality of modern industrial development are higher and higher, how to offer the safe and reliable green power to energy consumer is a focus of area research of the power at present. UPS, as a kind of incessant power.... -
Tape isolate single-phase PFC that DC/ DC vary make up, make up two cable, PFC of three-phase, that single-phase PFC make up in parallel directly in Ausgang by three single-phase PFC in parallel respectively by three The road is formed by matrix type DC/ DC.... -
CAN Controller Area Network Bus line, namely control device LAN. Because of having high performance, high reliability and unique design, CAN bus line paid attention to more and more by people. Bosch Company of Germany controls and control system design CAN.... -
The battery capacity is the important index of weighing battery quality. There are many methods in the volume test of the rechargeable battery. Can be according to the discharge curve of the battery, carry on short time and discharge, thus so rough as to the.... -
This system is a control system based on one-chip computer, control the system light in remote-operated way. This scheme mainly solves transmission and receiving of the signal, the program manipulation to different signals after the the signal one is dealt.... -
The technology of range finding employs extensively in civil, industrial fields such as measuring, medical flaw detection, car anticollision of position of the material, etc. , because the ultrasonic speed wants to the velocity of light it is much smaller,.... -
Inverter of what this text produces see Fig. 1 Mainly by the MOS field effect tube, the ordinary power transformer forms. Its output power depends on the power of MOS field effect tube and power transformer, avoid the convoluted voltage transformer to wind,.... -
The defect that can`t be overcome exists in some special occasions in some traditional distance measuring ways. For example, the measurement of liquid level is a kind of range measurement, the traditional electrode law is to adopt the location of difference.... -
The touch control screen is not any fresh thing, present electronic product basically all have a colored liquid crystal greatly, add a touch type touch control screen. It is very convenient to use, can totally replace that kind of fixed key set in the past..... -
Peripheral circuit is very simple, it is DAC schematic circuit diagram of the USB interface which adopts PCM2702 to make the picture, the Ausgang of circuit can be connected with the power amplifier directly, can drive earphone of more than 32 ohms too... -
This text regards MSC1210 as the cores of measuring, SIGPROC signal processing and communication, has designed the module of acquisition system of high-accuracy temperature. It is easy to expand that this system measures the passway, survey accuracy is high,.... -
The optically-controlled circuit has essential function in urban street lamps or corridors are lighted, adopt the optically-controlled circuit, can open and shut off the lighting lamp automatically according to power of the light, make sure nobody.... -
Under the loading condition of the resistance, output voltage Uo variable range: 30V~36V; Maximum output current LOmax: 2A; When U2 becomes from 15V to 21V, the regulation factor SU of the voltage is less than or equal to 0. 2% Io =2A ; When Io becomes from.... -
Difficult to observe in order to solve the leaning phase in adjusting the electric transmission line manually, record and difficult and normalizing three major difficult problems this difficultly. This design passes the design of the software and hardware,.... -
Because switching power supply energy-conservation also brings the huge economic benefits, cause the attention of the various circles of society to be popularized rapidly. With the technical development at full speed of power, high frequency, becoming the.... -
At present, it is numerous to adopt the telephone line as long-range control and alarm system of the transmission medium, associated too more research [1, 2 ]. This kind of system is generally made up of alarm device and calling the police to accept the.... -
The Brusless DC motor of permanent magnetism is a new electrical machinery with new principle, innovative technology, new method at present, it is by the Brusless DC motor body of permanent magnetism BLDCM, trochanter position transducer RPS And control.... -
With the quickening of the modern rhythm of life, the frequency happening in traffic accident is increasing too, in order to improve the safety that the car runs, this text introduces the mechanically controlled car anticollision alarm system of a one piece..... -
Its basic function is frequency and cycle of the measuring signal, the application of the frequency counter is in a very large range, it is not merely applied to general simple instrument measurement, and apply to other fields such as teaching, scientific.... -
The starting ability of the power of intermediate frequency is the most important performance index, quality and usability of its quality direct influence apparatus. So, it has focal point and difficult point that has studied in the industry to start the.... -
It uses good stability, precision to be high outputting the direct current stream source that can be presetted often in electronic device. The numerical control direct current stream source that this text designs can well lower the output error caused.... -
IC bus line explains conduct and transmits the bus line as one kind, it uses and is wired little, simple in construction, it is the extensive high-performance bus line way of a application. The operating system that and Linux cuts out publicly and easily as.... -
We know, the maximum coverage of RSR232 serial port Transport Protocol is 10M, and the wire transmission, this needs remote transmission control to bring very great inconvenience for some. According to the needs of subject, we have designed one kind because.... -
Main matched LG26 one inch of screens of FSP107-2PS01 two-in-one electrical power package, direct drive CCFL modulator tube, its material object is shown as in Fig. 1. If cooperate with other producers For instance Samsung, AU, etc. Screen at, it is only at.... -
The mobile robot should run under the unknown and uncertain environment, must possess autopilot and avoid hindering the function. The ultrasonic static is used as the range finding sensor of the mobile robot extensively with its characteristic simple, fast.... -
Improve the power factor PF Use a energy-conserving important factor of electrical equipment. With the development of electric electron technology, high-frequency active power factor correction PFC Technology has already been more and more applied to various.... -
The high-pressure direct current power supply has been already increasingly extensive. The method that this literary grace outputs in parallel with the power of double-channel gets the direct current of the low ripple. Today when the gas switching tube.... -
This is a high-speed control scheme LED display screen circuit theory. Adopt the MCS51 series one-chip computer to control LED display screen; The random access memory 62512 is used as the data storage of LED display screen, store the matrix data waiting to.... -
Multisim is the simulation software of circuit based on SPICE, SPICE Simulation Program with Intergrated Circuit Emphasis lay particular emphasis on the simulation program of the integrated circuit Abbreviation, it is here 1975, from University of.... -
The electronic device feel the proximity which measures the user fast. But the distance that most proximity sensors survey is relatively short on the market at present, 1~10cm generally, and infrared rays LED whether multipulse mode for a long time launch....
New Circuits
-
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
# The circuit can produce about 250-500mA at 2KV, depending on the transformer. # For C1, you...
This interface circuit provides electrically isolated RS485 communication inteface to the PC...
Many RS-485 and RS-422 networks require isolation for safety, noise reduction, or ground loop...
This circuit turns on a relay when two buttons are pressed at the same time.The relay backs off...
Most of the inverters in the market uses modified sinewave for better output at competitive cost....
The circuit uses a 555 timer wired as an astable oscillator and powered by the emitter current of...
This 18 dB gain amplifier was built Manhattan-style to evaluate the Linear Technology LT1253 dual...
My wife was working on a doctoral dissertation and needed to do some field work involving...
This section contains intruder alarms for your home, car and motorcycle, power failure and water...
22kW and below hoist with power-saving circuit Y- conversion circuit shown in Fig. The circuit on...