Showing posts with label 100w. Show all posts
Showing posts with label 100w. Show all posts

Thursday, November 6, 2014

Simple 12V to 220V 100W Transistor Inverter Diagram

This is a simple Simple 12V to 220V 100W Transistor Inverter Diagram. This circuit is an electronic circuit, and use very popular. Build this Simple 12V to 220V 100W Transistor Inverter Diagram and feel free.
Simple 12V to 220V 100W Transistor Inverter  Diagram
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Monday, November 3, 2014

100W Audio Amplifier Transistor used BDW83D BDW84D circuit diagram

Here 100 watt power audio amplifier which using power transistor BDW83D and BDW84D. Copyright belong to Smart Kit. Schematic diagram:

Component part list:

R1 = 1,2 K                                   D1 = 1N4002-7  
R2 = 0,47 OHM                           D2 = 1N2002-7  
R3 = 220 OHM                            D3 =  1N4148     
R4 = 3,9 K                                   D4 = 1N4148      
R5 = 2,2 K                                   D5 = 1N4148      
R6 = 2,2 K                                    D7 = 1N4148     
R7 = 10 K                                    D8 = 1N4148      
R8  = 4,7 K                                  Q1 = BDW84D   
R9 = 150 OHM                            Q2 = BD829       
R10 = 39 OHM                            Q3 = BC546       
R11 = 3,3 K                                  Q4 = BC556      

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Wednesday, September 3, 2014

100W MOSFET power amplifier

Circuit Description:
MOSFET power amplifier circuit based on IRFP240 and IRFP9240 MOSFETs is shown here. The amplifier operates from a +45/-45 V DC dual supply and can deliver 100 watt rms into an 8 ohm speaker and 160 watt rms into a 4 ohm speaker. This Hi-Fi amplifier circuit is suitable for a lot applications like general purpose amplifier, guitar amplifier, keyboard amplifier. The amplifier can be also used as a sub woofer amplifier but a subwoofer filter stage has to be added before the input stage. The amplifier has a low distortion of 0.1%, a damping factor greater than 200, input sensitivity of 1.2V and the bandwidth is from 4Hz to 4 KHz.

Circuit Features:
  • Assemble the circuit on a good quality PCB.
  • Use a +45/-45 V DC, 3A dual supply for powering the circuit.
  • Power supply voltage must not exceed +55/-55 V DC.
  • Before connecting the speaker, check the zero signal output voltage of the amplifier and in any case it should not be higher than 50mV. If it is higher than 50mV, check the circuit for any error. Replacing Q1, Q2 with another set could also solve the problem.
  • Fit Q7 and Q8 to a 2°C/W heat sink. Both Q7 and Q8 must be isolated from the heat sink using mica sheets. Heat sink mounting kits for almost all power transistors/ MOSFETs of almost all package styles are readily available in the market.
  • All resistors other than R10, R11 and R19 are 1/4 watt metal film resistors. R10 and R11 are 5W wire wound type while R19 is a 3W wire wound type.
Circuit Diagram:

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Friday, August 15, 2014

100W Digital Amplifier Power Stage 6 Channel


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