Showing posts with label 100w. Show all posts
Showing posts with label 100w. Show all posts
Monday, November 17, 2014
Simple 100W inverter circuit
Here is the circuit diagram of a simple 100 watt inverter using IC CD4047 and MOSFET IRF540. The circuit is simple low cost and can be even assembled on a veroboard.
CD 4047 is a low power CMOS astable/monostable multivibrator IC. Here it is wired as an astable multivibrator producing two pulse trains of 0.01s which are 180 degree out of phase at the pins 10 and 11 of the IC. Pin 10 is connected to the gate of Q1 and pin 11 is connected to the gate of Q2. Resistors R3 and R4 prevents the loading of the IC by the respective MOSFETs. When pin 10 is high Q1 conducts and current flows through the upper half of the transformer primary which accounts for the positive half of the output AC voltage. When pin 11 is high Q2 conducts and current flows through the lower half of the transformer primary in opposite direction and it accounts for the negative half of the output AC voltage.
Circuit diagram.
Notes.
B1 can be a 12V/ 6Ah lead acid battery.
Q1 and Q2 must be fitted to a proper heat sink.
T1 can be a 9-0-9 V primary, 230V secondary, 150VA transformer .
Do not expect much from this circuit. The is very simple one suitable for low grade applications.
Wednesday, November 12, 2014
Simple 12V DC to 220V 100W Inverter
This is 100W inverter circuit. It uses 4047 IC and IRF540 Mosfet instead of 2N3055 transistor. Power output is 100W from 2-3A transformer.
Tuesday, October 14, 2014
MOSFET IRF540 based 100W 12VDC to 220VAC Inverter diagram
The following inverter circuit is using MOSFET transistor IRF540 instead of ordinary transistor (eq 2N3055). FET is better than ordinary transistor in both stability and responsibility.
Tuesday, August 26, 2014
LM3886 100W Power Audio Amplifier circuit
The following schema diagram is the 100 Watt power audio amplifier schema, build based on power amp chip LM3886. The single chip of IC LM3886 is able to amplify the audio power output up to 68W.
In this schema, the two of LM3886 are paralled to gain more powerful amplifier output. This amplifier can deliver about 50W into a 8-ohm speaker and 100W into a 4-ohm speaker. To make a stereo amplifier, there are should be use 4 pieces of LM3886.
Circuit source: http://www.shine7.com/audio/pa100.htm
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