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Posts tagged 48v

Preamps Microphone Mixer circuit

Preamps Microphone Mixer circuit Choosing a good power amplifier is very easy but to choose the perfect microphone preamps is not easy, because the adjustment of sound pressure level (SPL) with volt level (dBu). Matching microphones and preamplifiers requires proper research and measurement, so to do this does not depend on your budget – but […]

Battery Charger circuit

Battery Charger circuit using LM317, BC548

LM358 IC and schematic diagram

LM358 IC and schematic diagram

How Placing Power and Ground in PCB design ?

All the components that need to set its location, such as connectors, switches, LED , mounting holes, heat sinks or other items mounted to an external location. Give careful thought when placing components to minimize the long trail. Put the next section are connected to each other. Doing a good job here will make tracks […]

BF990A circuit and application Receiver tube Radio

BF990A circuit and application Receiver tube Radio vcc 9v

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