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This Function Generator provides two wide-range, low distortion outputs and can be controlled from its touchscreen or remotely via a WiFi connection. In this final part of the series we detail building and operating it. by Richard Palmer
This revised Bench Supply is basic yet feature-packed, with full onboard metering and an adjustable current limit. It’s pretty easy and cheap to build, so is suitable for relative beginners, and handy for various purposes, including powering circuits for testing or development. Let’s get to building it. by John Clarke
This simple and low-cost circuit can produce a voltage around twice its DC input, or instead, a negative voltage of similar magnitude to the input. That can be handy in many situations, such as running op amps from a battery or DC supply, driving Mosfet gates, or providing a wider output range for adjustable regulators. by John Clarke
Every workshop or laboratory needs an adjustable voltage, current-limited DC power source. This revised 0-30V Supply includes adjustable current limiting up to 2A with voltage and current metering, plus load switching. by John Clarke
This new Bench Supply, introduced last month, is basic yet feature-packed, including full onboard metering and an adjustable current limit. It’s pretty easy and cheap to build, so it is suitable for relative beginners. You will find it handy for various purposes, including powering circuits for testing or development. It also fits neatly into a compact and attractive instrument case. So let’s get to building it. by John Clarke