Introduction The amplifier circuit can be made in various ways with different configurations or with different components. Widely, designers used transistors to make these amplifiers but with time when electronics evolved more, integrated circuits make … Read more
The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep the external part count low, but the addition of an external resistor … Read more
This tutorial leads to the formulation of the LM386 Based Audio Amplifier Circuit. The LM386 is a low-voltage audio amplification commonly used in battery-driven music devices such as radios, guitars, toys, etc. This circuit is … Read more
The telephone amplifier circuit, as its name suggests, amplifies the incoming calls to be heard in a room. while in conversation with a distant subscriber the voice is so faint that is barely heard, hence, … Read more
Sound-activated switches are designed to provide a mechanism through which one can turn on or off any electrical appliance remotely through sound. Audio signal received through a microphone is amplified and compared with a specific … Read more
Intercom Circuit is a bidirectional communication application for the ease of not-so-far-distant communication. The intercom is simple and easy to build a low-cost circuit using a single amplifier IC LM386 and a 2N3904 transistor. IC … Read more
In this tutorial, we are going to demonstrate an easy and interesting DIY project that is a sound-activated switch. This circuit can activate a relay switch for a couple of minutes when any sound is … Read more
In this DIY project tutorial, we will show you how to fabricate a sound-activated LED deploying an LM386 sound amplifier IC. The LM386 is an all–in–one Class-AB Audio Amplifier IC that can be utilized in … Read more
Frequency modulation is utilized in a radio station in the 88-108MHz VHF band. This data transfer bandwidth range sets apart from FM on the band sizes of radio receivers. And the devices that can get … Read more
In this tutorial, we are demonstrating a project crystal radio amplifier in detail. In general, a crystal radio receiver is known as a ‘Crystal set’. Explicitly, it is a basic radio receiver, famous since the … Read more
The Audio amplifier is the basic circuit configuration that is required to amplify, the audio signal received through a device like a microphone or the audio signal that is to be transmitted out through a … Read more