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»Light-controlled oscillator uses solar cell
Light-controlled oscillator uses solar cell
Any PN junction diode can be used as a variable capacitor in reverse biased mode, as well as in the forward biased mode before the knee voltage. The capacitance is usually very small as the junction size is small. Though the varactor diode is specially designed for higher capacitance, it's still limited to a few hundred picofarads. A solar cell can also be used in some circuits as a variable capacitor. As its junction size is much larger than the usual diodes, much larger variation of capacitance is expected...
News
»TI introduces 40-V to 100-V NexFET MOSFET for high-current motor control and power designs
TI introduces 40-V to 100-V NexFET MOSFET for high-current motor control and power designs
New mid-voltage power MOSFETs include lowest on-resistance 80-V and 100-V devices in TO-220 packages Expanding its popular NexFET portfolio, Texas Instruments introduced 14 power MOSFETs in TO-220 and SON packages that support input voltages from 40 V to 100 V...
News
»The Avago AFCP-TN295J is a 10G/s transmitter optical subassembly (TOSA) device
The Avago AFCP-TN295J is a 10G/s transmitter optical subassembly (TOSA) device
The Avago AFCP-TN295J is a 10 G/s transmitter optical subassembly device designed for wireless backhaul and metro Ethernet access networks. The device integrates a 1550 nm single mode edge-emitting laser and a micro-TEC in a small form-factor coaxial package...
News
»The Industry's Smallest Transistors Reduce Footprint By 50%
The Industry's Smallest Transistors Reduce Footprint By 50%
ROHM has recently announced the release of the smallest transistors in the industry. The VML0604 package (0.6 mm × 0.4 mm, t = 0.36 mm) reduces board board space by 50% compared with alternative offerings, making it ideal for smartphones and other devices requiring smaller, thinner form factors...
News
»IR Introduces Class D Audio Chipset Featuring the IRS20965 Driver IC with Protected PWM Switching for High Performance Audio Amplifiers
IR Introduces Class D Audio Chipset Featuring the IRS20965 Driver IC with Protected PWM Switching for High Performance Audio Amplifiers
International Rectifier introduced a Class D audio chipset comprising the IRS20965 digital audio driver IC with protected Pulse Width Modulation switching and a full complement of audio MOSFETs optimized for high performance Class D audio amplifier applications. The IRS20965 features high-side and low-side independent floating PWM input to allow deadtime control from an external PWM controller...
News
»Vishay Intertechnology Metallized Polypropylene Film DC-Link Capacitor Offers Environment-Friendly Materials
Vishay Intertechnology Metallized Polypropylene Film DC-Link Capacitor Offers Environment-Friendly Materials
Vishay Intertechnology introduced a new environmentally friendly metallized polypropylene film capacitor for DC-link applications that offers a broad capacitance range of 1 µF to 500 µF, compact footprints, and voltage ratings from 500 V to 1200 V...
News
»Exar Releases Intel Node Manager Compatible Programmable PMIC
Exar Releases Intel Node Manager Compatible Programmable PMIC
Exar Corporation introduced the XRP7725 quad-output, synchronous step-down, programmable PMIC compatible with Intel® Node Manager energy monitoring. By sampling the current on each of the 4 outputs every millisecond and accumulating those readings, the accuracy of the power monitoring is greatly improved over what can be accomplished through a limited I2C interface...
Circuits
»Adaptive rotary encoder distinguishes fine from coarse
Adaptive rotary encoder distinguishes fine from coarse
Here's an ingenious solution to the "fine/coarse" problem one often runs into when using rotary encoders as controls. Who says you have to use a µC to add a touch of intelligence?...
News
»Vishay Intertechnology Launches Wide-Body IGBT/MOSFET Driver for Motor Control, Solar Inverter, and Other High-Voltage Applications
Vishay Intertechnology Launches Wide-Body IGBT/MOSFET Driver for Motor Control, Solar Inverter, and Other High-Voltage Applications
Vishay Intertechnology broadens its optoelectronics portfolio with the VOW3120-X017T, a new IGBT and MOSFET driver for motor drives, alternative energy, welding equipment, and other high working voltage applications...
News
»Avago AFBR-83CDxxZ is a pluggable 12-channel, parallel optics CXP Active Optical Cable
Avago AFBR-83CDxxZ is a pluggable 12-channel, parallel optics CXP Active Optical Cable
The Avago AFBR-83CDxxZ is a pluggable 12-channel, parallel optics CXP Active Optical Cable for multi-channel 12.5Gbps proprietary interconnect, 100 Gigabit Ethernet and 12×10 G InfiniBand QDR applications...
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