This is one real-life quest: How do we increase the output voltage of a step-up converter? If you have unlimited access to the right ICs, you are one lucky dog, but what if you don’t?...
Expanding output range of step-up converter
Espressif's tiny ESP32-H2-WROOM-07 delivers minimal-footprint Bluetooth Low Energy, Thread, and more
Espressif has launched two new ESP32-H2 Bluetooth Low Energy (BLE) and IEEE 802.15.4 modules, designed for the Internet of Things (IoT)...
Temperature-sensor circuit provides dual-slope output
The excellent linearity of integrated-circuit temperature sensors makes them ideal for direct analog compensation of the thermally induced errors inherent in many circuits...
Adjust tempco in size and sign
Zeroing out temperature variations on a production line is a challenging task when the device to be compensated has a temperature coefficient that varies in both magnitude and sign from unit to unit...
Eliminate clicks when muting single-ended audio
It’s easy to mute a balanced signal line. Simply short the terminals or break the signal path. But when the line is unbalanced and the output has strong dc bias, trying to mute the circuit with these methods will affect the output’s bias voltage, producing tremendous “clicks”...
Two-switch topology benefits forward and flyback power converters
Designers tend to favor forward- and flyback- converter topologies for loads less than 200 W because they are simple and can power multiple isolated outputs. Their simplicity is partially based on the fact that these converters use a single ground-referenced transistor switch...
∆VBE bread dough incubator
I was surprised recently when a two-decade-old design idea of mine for take-back-half temperature control got a question from reader John Louis Waugaman. John says he needs a way to control the temperature of batches of rising bread dough...
What's LVGL, and how it works in embedded designs
Light and Versatile Graphics Library (LVGL) is steadily making inroads in the graphics realm by efficiently facilitating graphical user interface designs in small, resource-constrained, and battery-powered devices...
Aaronia shows USB real-time spectrum analyzers with waveguides
Aaronia is showcasing its state-of-the-art USB real-time spectrum analyzers for a wide range of applications. The SPECTRAN V6 Xplorer sets a new record with measurements up to 140 GHz and still offers the advantages of low-cost USB devices...
0 V to -10 V, 1.5 A LM337 PWM power DAC
As a genre, DACs are low power devices with power and current output capabilities limited to the milliwatt and milliampere range. There is, of course, no fundamental reason they can’t be teamed up with suitable power output stages...
