A very simple yet highly sophisticated modified sine wave inverter circuit is presented in the following post. The use of the PWM IC TL494 not only makes the design extremely economical with its parts count but also highly efficient and accurate. Using TL494 for the Design The IC TL494 is a specialized PWM IC and […]
Newly Updated Circuit Projects:
433 MHz RF 8 Appliances Remote Control Circuit
In this post I have explained a circuit which can be used for controlling 1 to 8 appliances with a single RF 433MHz remote control handset. Now you can control fans, lights ACs, oven etc within a range of 50 meters with the same remote. In a few of my earlier posts I have comprehensively […]
IRF540N MOSFET Pinout, Datasheet, Application Explained
The IRF540N is an advanced HEXFET N-channel power mosfet, from International Rectifier. The device is extremely versatile with its current, voltage switching capabilities, and thus becomes ideal for numerous electronic applications. The datasheet and pinout details of the device has been explained in the following article. Main Features: Sophisticated, cutting-edge processing technology used. Extremely low […]
Opamp Hysteresis – Calculations and Design Considerations
In most automatic battery charger circuits in this blog you might have seen an opamp with a hysteresis feature included for some crucial function. In the following post I have explained the significance and design techniques for the hysteresis function in opamp circuits. To learn exactly what’s a hysteresis you can refer to this article […]
50V 3-Phase BLDC Motor Driver
This yet another versatile 3-phase driver device in the form of IC L6235 from ST Microelectronics allows you to drive a 50V 3-phase BLDC motor with extreme efficiency.The chip also includes all the required protection features built-in, along with an easy to configure external speed control stage. How the IC L6235 BLDC Driver Works The IC […]
Extended High Bass Effect from Small Speaker Box [Cross-Over-Filter]
Bigger speaker boxes produce proportionately higher bass effect, this fact is know to all of us. However, bigger boxes are not only expensive, they can be cumbersome and bulky. How about having the very same high bass effect, that a bigger box would provide, from a much smaller and compact speaker enclosure? Sounds strange right? […]