Announcements of articles and news
Simple circuit disconnects load
16.05.2017 · Circuits
Placing a load-disconnect circuit on the output of a bootstrapped step-up regulator allows the regulator to start with load currents much higher than would otherwise be possible. During shutdown, the disconnect completely isolates the battery from the load...
Microchip Unveils the SAM R30 System in Package for Wirelessly Connected Designs
The SAM R30 System in Package, a single-chip RF microcontroller, is now available from Microchip Technology. The SAM R30 SiP incorporates an ultra-low power microcontroller with an 802.15.4 sub-GHz radio, providing multi-year battery life in a compact 5 mm package. The SAM R30 SiP delivers design flexibility and proven reliability all in a small package, making it ideally suited for connected home, smart city and industrial applications...
15dB Gain Differential Amplifier Delivers up to +50dBm OIP3 Linearity and Low Noise from 100kHz to 1.4GHz
15.05.2017 · News
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC6432-15, a wideband fully differential amplifier with 15 dB gain, offering linearity of up to +50.3 dBm OIP3, very high OP1dB of +22.7 dBm, and 3.2 dB noise figure at 150 MHz. In addition to its outstanding signal-to-noise at high frequencies, it maintains its dynamic range performance even at lower frequencies...
Bidirectional DC/DC Regulator and Supercapacitor Charger
12.05.2017 · Circuits
The LTC3110 bidirectional buck-boost DC/DC regulator charges and balances a supercapacitor when a bus voltage is present (for example 3.3 V) and discharges the supercapacitor into the load when the bus fails. The LTC3110 maintains the bus’s nominal level even if the supercapacitor voltage is above or below the nominal bus voltage...
Analog Devices' MEMS Accelerometers Provide Low Power Vibration Measurements, Enabling Wireless Condition Monitoring
12.05.2017 · News
Analog Devices announced the addition of two devices to its popular series of low noise, low drift, low power, three-axis MEMS accelerometers. The low noise performance over high frequencies provided by the new ADXL356 and ADXL357 MEMS accelerometers delivers high resolution vibration measurements that enable the early detection of machine failure in condition monitoring applications...
11.05.2017 · Circuits
The induction receiver shown below is very sensitive and can serve a variety of purposes. It is excellent for tracing wiring behind walls, receiving audio from an induction transmitter, hearing lightning and other electric discharges, and monitoring a telephone or other device that produces an audio magnetic field...
Vishay Intertechnology Releases Space-Saving Super Red, Red, Amber, and Yellow Ultrabright LEDs in Compact Packages With Dome Lenses
11.05.2017 · News
The Optoelectronics group of Vishay Intertechnology has introduced a new series of super red, red, amber, and yellow ultrabright LEDs in compact untinted surface-mount packages with dome lenses. Utilizing the latest ultrabright AllnGaP on Si chip technology, the space-saving Vishay Semiconductors VLDx1535x series delivers extremely high brightness with luminous intensity to 14000 mcd...
Single microcontroller pin senses ambient light, controls illumination
As in a previous Design Idea, this design uses an LED as a transducer to measure the ambient-light level and to provide illumination. This Design Idea uses the same principle as its predecessor but consists of only one LED, two resistors, one IC, and one 0.1-µF bypass capacitor...
NM485D6S5MC and NMTTLD6S5MC: Murata's integrated modules for RS485 and TTL interfaces provide isolated power
10.05.2017 · News
Murata has announced the NM485D6S5MC and NMTTLD6S5MC low power electrically isolated data communication devices from Murata Power Solutions, to provide RS-485 or TTL interfaces with isolated power. No external components are needed; a single 5 V supply allows function on either side of the isolation boundary...