Fire Alarm Circuit using NE555 IC & Thermistor Fire Alarm Circuit using NE555 IC & Thermistor: The Fire alarm Circuit is as simple and uncomplicated so that, it can be easily implemented for a project for school. The thermistor offers a low resistance at high temperature and high resistance at low temperature. This phenomenon is employed … Read more
20W Amplifier Circuit TDA7240 IC Stereo 20W Amplifier Circuit: The 20W Amplifier Circuit shown here is based on the TDA7240 IC from ST Microelectronics. The TDA 7240 IC is an integrated audio amplifier IC that can deliver 20 watts of audio output power into a 4ohm load. The IC has minimum external parts count and is … Read more
6 Watt Hi-Fi Audio Amplifier Circuit using TDA2613 IC 6 Watt Hi-Fi Audio Amplifier Circuit using TDA2613 IC: A 6 watt audio amplifier circuit using TDA2613 is shown here. TDA2613 is an integrated Hi-Fi audio amplifier IC from Philips Semiconductors. The IC is switched ON / switch OFF click proof, short circuit proof, thermally protected and … Read more
60W-100W Inverter using Transistors The 60W-100W Inverter using Transistors circuit diagram of a fully transistorized inverter that can drive up to 60W loads. Transistors Q1 and Q2 form a 50Hz astable multivibrator. The output from the collector of Q2 is connected to the input of the Darlington pair formed by Q3 and Q4. 60W-100W Inverter … Read more
100 Watt Inverter Circuit 100 Watt Inverter Circuit using IC CD4047 and MOSFET: 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. In this 100 Watt Inverter Circuit, it is wired as an astable multivibrator producing two pulse trains of 0.01s which … Read more
12V Battery Level Indicator Circuit 12V Battery Level Indicator Circuit using LM3914 IC: The LM3914 IC can sense voltage levels and can drive a display of 10 LEDs in dot mode or bar mode. The bar mode and dot mode can be externally set and more than one ICs can be cascaded together to get an … Read more
100W MOSFET Power Amplifier Circuit 100W 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 100watt rms into an 8-ohm speaker and 160-watt rms into a 4-ohm speaker. 100W MOSFET power amplifier circuit this is Hi-Fi amplifier circuit is suitable … Read more
TDA7294 IC 100W Audio Amplifier Circuit In the TDA7294 IC 100W Audio Amplifier Circuit, the TDA7294 is configured to provide 100W output power into an 8Ohm loudspeaker at +/- 38V supply. C8 is the input coupling capacitor and the input is applied to the non-inverting input (Pin3) of the IC. C3 and C9 are power … Read more
STK4038 IC 60-Watt Amplifier Circuit STK4038 IC 60-Watt Amplifier Circuit: 60-Watt Amplifier Circuit using STK4038 IC. 60-watt audio amplifier electronic project circuit using the STK4038 audio IC Using the STK4038 IC 60-Watt Amplifier Circuit can be designed a very simple high power and efficiency audio power amplifier. STK4038 IC 60-Watt Amplifier Circuit STK4038 IC 60-Watt … Read more
BA5406 IC Stereo Amplifier Circuit In the BA5406 IC 10W Stereo Amplifier Circuit diagram shown below, BA5406 is configured to deliver to 10watts into 4-ohm loudspeakers at a supply voltage of 9 volts. Capacitor C3 is a power supply filter capacitor. C11 and C12 are input DC decoupling capacitors for the left and right channels. … Read more