TL074 is a JFET-input quad operational amplifier monolithic integrated circuit. This op-amp IC contains four OP-AMPs. It consists of high voltage junction field-effect transistors (JFETs) and Bi-polar junction transistors (BJTs). In addition, Input bias and bias currents are low. On the contrary, the slew rate is very high. TL074 is highly recommended for audio pre-amplification … Read more
In this article, we will learn alternating current (AC) measurement using a PIC microcontroller. Specifically, we will explore the utilization of a current transformer (CT), and the PIC16F877A microcontroller to design an AC ammeter. AC current measurement is a crucial aspect of PIC microcontroller projects, and by the end of this article, you will possess … Read more
TSOP1738 is an IR receiver with an amplifier that acts as a switch and converter within a circuit. It has one input and output which only acts on the base of the input IR signal. The basic purpose of TSOP1738 is to convert the IR signal to electric signals. Every IR receiver has a special … Read more
HT12E is an encoder IC for RF and IR modules mostly. It is a 12-bit decoder that uses 8-bits for address and 4 for data. RF and IR modules can interface with microcontrollers directly which requires a little bit complex programming. In addition, This encoder IC is easy to implement and simple to use. It … Read more
This tutorial is about dc motor speed control with a pic microcontroller using the PWM method. There are many applications of DC motors, where we need a variable speed of DC motor. For example, it has applications in electric cars, trucks, and aircraft. These are three examples where we need variable speed. Although nowadays AC … Read more
In this tutorial, we will discuss LM741 op-amp. LM741 is a general-purpose operational amplifier. Firstly, it has the capability of null- offset adjustment through two pins. Secondly, this op-amp considers as the most suitable option for voltage follower circuits. Because it has no latch-up. Thirdly, the common-mode input voltage range for LM741 is also very … Read more
Zero crossing detection circuit comprises two main electronics components. One is an operational amplifier and the second one is passive electronic components such as resistors, capacitors. It detects a zero voltage reference point of the AC signal or a sine wave that is a zero crossing point of the AC signal. The operational amplifier (Op-amp) … Read more
ICL7107 is a monolithic IC used for analog to digital conversions up to 31/2 digits. It houses display drive circuitry inside it bypassing the need of connecting an external drive circuit. The input impedance is quite high. Polarity and digital drivers, segment decoders, voltage reference, and a clock circuit is already available on its board. … Read more
2N2222 NPN transistor has been commonly used for switching and very high frequency(VHF) amplifier applications. It is made of silicon material and specially designed for low voltage, low to medium current, and low power amplifier applications. Recommended Components The following parts are used in this article, along with a generic electronics kit that is handy … Read more
TLP250 is an isolated IGBT/Mosfet driver IC. The input side consists of a GaAlAs light-emitting diode. The output side gets a drive signal through an integrated photodetector. Therefore, the main feature is electrical isolation between low and high power circuits. It transfers electrical signals optically via light. Users can use it to drive gate terminal … Read more