Dual 40W Audio Power Amplifier with Mute


https://www.electronics-lab.com/dual-40w-audio-power-amplifier-with-mute/

The stereo audio amplifier project shown here is capable of delivering typically 40W per channel continuous average output power into an 8Ω load with less than 0.1% (THD+N). The project is built using an LM4766 chip from Texas Instruments, The performance of the LM4766, utilizing its Self-Peak Instantaneous Temperature (°Ke) (Spike) Protection Circuitry, places it […]

10W Class-D Stereo Audio Amplifier with Mute, Shutdown and Four Gain Settings


https://www.electronics-lab.com/10w-class-d-stereo-audio-amplifier-with-mute-shutdown-and-four-gain-settings/

This is a Class-D Stereo audio amplifier project that provides 10W stereo output. The amplifier includes Gain control using 2 x Jumpers, Mute function, and shutdown function. RCA female connectors are provided for the audio source input, screw terminals are provided for an easy interface with speakers and power supply input. The project was built […]

Twisted-Pair Cable-CAT5 – Composite Video Differential Receiver Amplifier


https://www.electronics-lab.com/twisted-pair-cable-cat5-composite-video-differential-receiver-amplifier/

The circuit presented here is a high-frequency differential line receiver amplifier that has excellent common-mode rejection at its inputs. The project is an ideal solution for a receiver for composite video signals that are transmitted over a long distances on twisted-pair cables like CAT5. Category 5 cables are very common in office settings and are […]

5 W + 5 W Dual BTL Class-D Audio Amplifier


https://www.electronics-lab.com/5-w-5-w-dual-btl-class-d-audio-amplifier/

The project described here is a high-efficiency dual BTL class-D audio amplifier with single supply operations. The project was built using TDA7491LP13TR from ST. The low profile PCB design can fit in a small area, operating power supply 9-12V DC, Project supports single-ended or differential audio signal inputs. Jumpers are provided to set the various […]

Microchip Technology MCP6C02 High-Side Current Sense Amplifiers


https://www.electronics-lab.com/microchip-technology-mcp6c02-high-side-current-sense-amplifiers/

Microchip Technology MCP6C02 High-Side Current Sense Amplifiers are amplifiers that provide input offset voltage correction for very low offset drift. These amplifiers offer preset gains of 20V/V, 50V/V, and 100V/V. The MCP6C02 high-side current sense amplifiers feature zero-drift architecture that results in very low input errors also allowing design flexibility. These amplifiers feature high DC […]

Precision Thermocouple Amplifier (Thermocouple to Digital Converter with Linearization – SPI Interface)


https://www.electronics-lab.com/precision-thermocouple-amplifier-thermocouple-to-digital-converter-with-linearization-spi-interface/

This precision thermocouple sensor module performs cold-junction compensation and digitizes the signal from any type of thermocouple. The output data is formatted in degrees Celsius. The converter resolves temperatures to 0.0078125°C, allows readings as high as +1800°C and as low as -210°C (depending on thermocouple type), and exhibits thermocouple voltage measurement accuracy of ±0.15%. The […]

Qorvo QPL1818 75Ω CATV Amplifier featuring 15dB of gain


https://www.electronics-lab.com/qorvo-qpl1818-75%cf%89-catv-amplifier-featuring-15db-of-gain/

Qorvo QPL1818 75Ω CATV Amplifier is a GaAs (Gallium Arsenide) pHEMT (Pseudomorphic High-Electron-Mobility Transistor) single-ended MMIC RF amplifier featuring 15dB of gain. The QPL1818 offers a 50MHz to 1800MHz frequency range providing an ideal solution for a wide range of  DOCSIS 4.0 amplifiers and nodes as well as home gateways and cable modems. The Qorvo QPL1818 […]

4 Channel Analog Video Distribution Amplifier


https://www.electronics-lab.com/4-channel-analog-video-distribution-amplifier/

The project presented here is a low-cost video distribution amplifier capable of driving up to four video lines. The amplifier is configured with a non-inverting gain of 2. The input video source is terminated in 75 Ohms and is applied to the high impedance non-inverting input. Each output line is connected to the op-amp’s output […]

3 Channel Analog Video Splitter with Video Amplifier


https://www.electronics-lab.com/3-channel-analog-video-splitter-with-video-amplifier/

If you need to drive multiple video gadgets or monitors from a single video signal source then this board is the right choice for you. This is a 3-channel video splitter with an amplifier and the circuit is built using discrete components. Q2 and Q1 act as a signal amplifier, Q3 act as output driver, […]

Headphone Amplifier For DAC Converter


https://www.electronics-lab.com/headphone-amplifier-for-dac-converter/

This is a headphone amplifier project for audio digital-to-analog converters (DACs) with differential voltage outputs. This circuit converts the differential voltage output of the DAC to a single-ended, ground-referenced signal and provides the additional current necessary for low-impedance headphones. Project is built using OPA1688 low distortion, high-drive Sound Plus audio amplifier. The circuit tested with […]