The amplifier feeding to the final amplification stage is performed with unstabilized voltage. The output stage, due to push-pull operation, has a large rejection of the supply voltage. The various other steps, however, do not have the same rejection and....
The power supply circuitry consists of a 220/2 * 18V / 3.5A transformer, a rectifier, a smoothing filter, a power amplifier, LM301, and two regulators LM317 and LM337. The theoretical of the circuit is shown in the figure. The voltage from the transformer is....
This is a Tesla/joule thief hybrid circuit that its inventor claim to produce 90 times the input power! The circuit can be self looped and can provide 1050W of power. from the 1050W only the 11.6W will loop back to supply the joule thief. If you remove the....
You need to find a reliable full bridge driver to drive your flyback transformer? Well, This is your final stop. There are many flyback drivers schematics out there,
but most of them will not last for long. It is common known that famous ZVS invented by....
At the left side (input AC) goes the secondary of a 220 volt (primary) 18 Volt (secondary) / 3 Ampere mains transformer. The alternating voltage of 18 volts from its secondary transformer is rectified by the diodes D1, D2, D3 and D4, which are connected to a....
DC motor (brushless DC motor) double-loop speed control system, the speed controller output torque (or current) signal given. It can be used TL494 as a current regulator and cu..
DC voltage of the generator field winding by a three-phase thyristor rectifier provided later. In the same period incorrect, out of step, system failure, etc., the rectifier wi..
DDR memory power supply circuit Shows the notebook DDR memory power supply circuit, the power control circuit chip MAX8632, the chip power supply terminal VDD is Sv (detection ..
DC shunt regulator power supply circuit Shown is a DC power supply circuit in parallel using the radio circuit, after the AC 22V output voltage by the step-down transformer 8V ..
DC power supply with shunt, the rectifier, filter, current limiting, voltage regulation, 10V voltage outputs, the circuit is simple, low cost, to meet the requirements of vario..
DC power supply: DC power supply with shunt, the rectifier, filter, limit, the regulator points jsIJ ~ string disabilities 10V, the circuit is simple. Cost low, can meet the re..
DC power supply under-voltage, over-voltage indicator circuit shown in Figure 13-93, use it to monitor the DC power supply voltage is normal. When the supply voltage is 12V, ad..
DC panel battery is widely used in power plants, substations DC system. To make the current system more safe and reliable operation line may be as shown uninterrupted power sup..
Coship CDVB3188V receiver switching power supply circuit It shows the same continent CDVB3188C receiver switching power supply circuit, mainly from the AC input circuit, anti-j..
Described here is a specific module using CF8865 switching power supply circuit, because this circuit is the use of integrated control module CF8865 specific modules. In the fi..
Cost-effective nickel-cadmium battery charger LM393 constructed as shown, it has the following characteristics: (1) constant current charging interspersed with large current di..
Figure (a) is the use of a microprocessor power supply circuit constituted LT1587-3.45. Figure (b) is constructed using the LT1585 output voltage adjustable power supply. Figur..
Figure (a) shows a block diagram of the internal structure of the M62213FP. M62213FP is a high speed switching power supply controller. It consists of an oscillator, PWM compar..
Fast and efficient charging is higher than conventional charging ten times to several times the current charge. When the battery voltage rises to a predetermined value when (va..
Fast charging circuit (TEA1102) Shown is a chemical for a variety of battery fast charging circuit, which is based on fast charge controller TEA1102 nuclear charging circuit of..
Fast charging circuit It shows voltage and current waveforms and fast charge circuit configuration of the charger. Detection and control circuit of the circuit is composed of t..
Constituted by the peripheral circuits MIC5158 simple 5V input, 3.3V/10A output linear regulator circuit is shown. When the circuit when the input voltage Ui 5V, plus the N-cha..
FIG. A ~ c circuit has a high coefficient of voltage. If the regulator resistance rz is constant, while maintaining the delicate balance of the bridge situation has infinite vo..
FGDF-3 three-phase low-temperature iron plating power supply circuit KGDF-3 low-temperature iron plating power supply device having a single-phase low-temperature iron plating ..
Constituted by a 5V TOP414G, 2A output isolated switching power supply circuit is shown. C1 is the input filter capacitor. VDz VD1 composition and primary clamp protection circ..
Error processing segment is converted to a pulse width modulated (PWM) signal output from 3 feet (MC signal). Also calculate the differential position error, which represents t..
Dual power for each complex since load is supplied by means of two-way power Meanwhile, when the way in which the power outage, contact switches from closing movement, not by t..
Dual power for each load refers to work simultaneously by the two-way power supply and two power supplies, respectively, the burden of electricity load. When at the way in whic..
Driver circuit diagram: The main function of the driving circuit is variable width pulse width controller output power amplifier, as a drive signal to high voltage power switch..
Dragon -ZL-2801A DVD machine type switching power supply circuit It shows Dragon ZL-2801A type DVD machine switching power supply circuit, which is mainly from the AC input cir..
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.....