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RF Converter Circuits
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4 Band Resistor
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Full Bridge Inverter with MOSFET and IR2110 gate driver
This is my first post here, i need help on my final year project to make a grid connected inverter. For the full bridge inverter circuit i planned to..
load switches with zero power MOSFETs
As circuit power-supply voltages decrease and green energy trends grow in popularity, designers should re-examine some of the circuits that continually consume power, in an effort to reduce overall system power consumption. One circuit that requires continuous voltage is the "normally-ON" circuit, and it is now possible to redesign this circuit wi
Mini Audio Amplifier with MOSFET Technology
Parts List The circuit consists of preamplifier, tone controls, and regulated DC power supply, while providing a power output of 18 Watts for 8 Ohm load a..
Dimmer With A MOSFET
This circuit shows that dimmers intended for use at mains voltage do not always have to contain a triac. Here, a MOSFET (BUZ41A, 500 V/4.5A) in a diode br..
Power MOSFET Bridge Rectifier
The losses in a bridge rectifier can easily become significant when low voltages are being rectified. The voltage drop across the bridge is a good 1.5 V,..
100 watt DC servo amplifier by Power MOSFET
This is circuit MOSFET power amplifier OCL, Output 100w , use mosfet k134+j49 or Mosfet J162 + K1058, Output 112W at Speaker 8 OHM. Power Supply +56V/-56V 4A..
300 watt 1200 watt MOSFET Amplifier for professionals only
When you need an amplifier with high watt power. For use in applications such as concert, theater, the festivals etc. This circuit is most suitable. Both..
Power Amplifier OCL 50W by Mosfet (K1058 + J162)
The 50W Power Amplifier OCL Mosfet (K1058 + J162) is easy to build, and very inexpensive. To use Power Supply +35V -35V at 2A. Power Mosfet (K1058 + J162) must..
DC/DC Converter DC12V to 24V 2A by IC 40106 and Mosfet BUZ11
This is Circuit DC to DC Converter. For input DC12V-24V 4A to Output 24V-48V 2A (inputX2) Use easy circuit simple part IC Digital Cmos : 40106 and Mosfet..
High power mosfet amplifier circuit ideas
The power amplifier circuit using MOSFET has been very popular, because the sound is very aggressive, as compared to transistors and ICs. It can be low-frequency and high-frequency response as well, it is highly durable. Usually, if compared with the same sound. It will devices less. Due to the bias the voltage. Easier to control current. But some
Linear Light Dimmer by Power Mosfet
When change the value of R2 Intensity of Lamp change to this circuit shows the usability of Mosfet be Variable Resistor. By Q1 use N-Channel Power Mosfet. but what is the number all right follow the size of Load or Lamp there. When change the value of R2 Intensity of Lamp change to this circuit shows the usability of Mosfet be Variable Resistor.
On After Delay with Mosfet
That be On After Delay Circuit. I uses mosfet in the circuit for delay easy more than the transistor. By have the work of the circuit be when press , S1 ,..
First POWER MOSFET Amplifier by K134+J49
This has been the first Mosfet power amplifier of me, It is the most complete circuit. As a 60 watt power amplifier, this is sufficient for normal use in my..
h bridge using mosfet transistor pwm
Make H-Bridge for controlling DC brushed motor with PWM. One bridge will control 1 DC motor. Bridge will have 3 inputs: A, B and PWM. A and B will be direction control while one PWM signal will control motor speed no matter in which direction it will spin. Will this circuit work (of course ill have to add protection diodes but first i want to...
planning build mosfet h bridge motor control
At 9 volts the maximum stalled current of the motor types I`m going to use will be 700 mA. Since I`m not real experienced with this I want to check that I`m choosing good mosfets, I`m pretty clear on the rating, they say what current and voltage they can handle. But I`ve found with some the mosfets, particularly P type, the RDS (on) is fairly...
MOSFET Power Amplifier
MOSFET Power Amplifier Circuit diagrams Two complementary MOSFETs are used to deliver 20W into 8?. PARTS..
FETs can be found in the power section, LCD inverter, UPS, Amplifier, Monitor B+ and S-correction circuit, ATX power supplies and etc. When this component fails, one has to use a meter to test it to check if it is good, shorted, openor leaky. The meters can be a normal multimeter, specialize FET tester like the Peak Atlas Tester, Sencore Cricket...
H-bridge using only n-channel mosfets
I have created an H-bridge PC with 4x floating gate drivers and 4x IGBTs (see attached schematic showing half of h-bridge). It works very nicely but I ..
MOSFET IRF540A circuit
Originally Posted by CocaCola His clearly stated his circuit didn`t work correctly, the series was only complete when both LEDs were enabled, not the..
MOSFETs IN SERIES
A while ago i run across this document which apparently tells how to wire mosfets in series to get higher voltages (pg 10-14). This is the only schematic i found so far that is actually working. The problem is that i can`t make more than 3 mosfets work, when i add a fourth ( with the same circuitry) it remains OFF no matter what. I tried different
power mosfet circuit
The schematic is attached, I`d like to have a suggestion if any improvement could be made, in particular I`d need to add a reverse polarity connection protection. I`m not a MOSFET expert, but: from the schematic I take it that the logic level inputs (5 V) are meant to control two output voltages (12V) via P-channel MOSFETs. 1) The P-channel MOSFET
Transistor Mosfet pairs to drive LED cube layers
None of those devices is very suitable. The drivers aren`t specified to operate with 3.3V gate signals, and although the typical graph shows that a..
240W MOSFET Power Audio Amplifier
70 Watt MOSFET Audio Amplifier
This simple power mosfet audio amplifier circuit, with TL071C and 2 MOSFETs (IRF9530 and IRF530) can deliver up to 45 Watts on 8 © speaker. This schematic is based on Siliconix application and on variations of voltage on the 2 resistors that are serial inserted on the voltage supplier of the operational amplifier driver. The MosFet transistor mus
MOSFET FM Transmitter Circuit
This mosfet fm transmitter circuit is designed to be used for aligning FM radio receivers. It has a microphone amplifier with automatic gain control. The FM modulation is a voltage oscillator and the final stage is built with MOSFETs. A lowpass filter at the output assures the transmission of a clean 10 50 mW FM signal. IC1 works as an amplifi
Ignition Coil Wont Spark from Mosfet but DOES spark By Hand
I`m trying to get an ignition coil to create sparks running it with a Mosfet powered by a 555 timer. The Mosfet is definitely switching. I checked it..
MOSFETs and CMOS Inverter
Using measured threshold voltage and Ids-Vds curves, we can then check how well first-order MOSFET theory holds up in real devices and get a practical feel of the limitation of first-order theoretical MOSFET equation. The MOSFETs we will use in this experiment are from ALD1105, an IC containing two n-MOSFETs and two p-MOSFETs. A circuit symbol des
25W Mosfet audio amplifier
Mosfet TESTER Circuit
mosfet voltage regulator
It can be simplified and you can leave out short-circuit protection if you wish. This circuit is a Mosfet-based linear voltage regulator with a voltage drop of as low as 60mV at 1A. The circuit uses a 15V-0-15V transformer and employs an IRF540 N-channel Mosfet (Q1) to deliver the regulated 12V output. The gate drive voltage required for the...
High Current MOSFET Toggle Switch with Debounced Push Button. circuit
It is useful where the load needs to be switched on from one location and switched off from another. Any number of momentary (N/O) switches or push buttons can be connected in parallel..
555 Timer Circuits
RC Model Toy Circuits
H Bridge Circuits
Ultrasonic distance finder circuit
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 measured. There are three main categories of distance measurement methods in use: a) By...
Simple Metal detector circuit with CD4030
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 find something potentially valuable, hidden a few centimeters below the soil. So many...
Fully automatic watering circuit for flower pots
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 circuit comes as a solution to this problem. Depending on humidity of the pot at...
Simple deep searching metal detector circuit
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 circuit of this metal detector, it is possible to detect a metal coin in depth of 90 to...
Sub-Harmonic Bass Converter for Electric Guitars
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, such as filtering or distortion. Instead, a frequency division system produces outputs...
Echo Depth Sounding Sonar for Boats
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 calibration of the rope. This arrangement still exists in some yachts. The big...
100W HiFi Audio Amplifier Circuit
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 supply must be symmetrical so that no electrolytic capacitors are needed at the outlet....
Plant-Pot Water Level Indicator Circuit
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. The circuit of the device is shown in Figure 2. The water detection is made from the bottom...
Analogue Sound Preasure dB-Meter Circuit
The best human ear can capture sounds from 20Hz to 20KHz. These limits are known to be the broadest that can exist. Normally the normal limits range from 100Hz to about 13KHz and depend on the age and health of the individual. We for our measurements and to have a good accuracy we will get the limits of 20Hz to 20KHz. A sound to be heard does...
Digital Signal Integrity
Interconnection and Timing of Digital Circuits
CMOS Circuits Tutorial
60V mosfet operates at 4.4mΩ and 58A
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IXYS Introduces the SMPD RF Power MOSFET
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