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»Differential amp has 6 dB lower noise, twice the bandwidth
Differential amp has 6 dB lower noise, twice the bandwidth
The traditional three op-amp differential amplifier's signal to noise ratio can be improved by 6 dB by adding a resistor and slightly changing the connections. There is a trade-off though: The traditional topology has a high input impedance, whereas the low-noise version has a lower input impedance...
News
»Two solid state switches in one supporting high frequency and high-voltage
Two solid state switches in one supporting high frequency and high-voltage
CPC7512 from IXYS is a monolithic solid state switch with two normally open (1-Form-A) solid state relays (SSRs) for high-frequency applications featuring T-switch compensation technique to provide 60 dB of off-isolation at 1 MHz by minimizing open-state capacitive coupling. Designed to provide flexible single-ended or differential access to high voltage networks, the CPC7512 is configured as two independent switches with optimized state control...
Articles
»The Future of Vacuum Tubes
The Future of Vacuum Tubes
There was a time when the vacuum tube was practically synonymous with electronics. Then, about sixty years ago, semiconductors began to replace tubes in one application after another until tubes became museum pieces. But there were a few applications where tubes never fully disappeared...
News
»New Multistage-Compatible 16-Cell Lithium-Ion Battery Monitoring LSI
New Multistage-Compatible 16-Cell Lithium-Ion Battery Monitoring LSI
LAPIS Semiconductor, a ROHM Group company, has recently announced the development of a lithium-ion battery monitoring LSI that supports an industry-best 16 cells in series, significantly reducing the size of lithium-ion battery monitoring systems...
News
»New 100 kHz High Precision LCR Meter
New 100 kHz High Precision LCR Meter
Cal Test Electronics introduces the new Global Specialties LCR-600. The LCR-600 is a high precision test instrument used for measuring the inductance (L), capacitance (C), and resistance (R) of an electrical component...
News
»Unparalleled accuracy over full temperature range at high speed in latest version of ams' 47 series magnetic position sensor
Unparalleled accuracy over full temperature range at high speed in latest version of ams' 47 series magnetic position sensor
ams AG launched a new version of its 47 series of magnetic rotary position sensors for motor and motion control applications, featuring higher rotation speeds and higher-resolution incremental outputs. Like other members of the 47 series, the new AS5047P features ams’ DAEC™ (dynamic angle error compensation) technology, which produces outstanding angle measurement accuracy even at very high rotation speeds...
News
»Rohde & Schwarz adds ERA GLONASS to its reliable test solution for in vehicle emergency call systems
Rohde & Schwarz adds ERA GLONASS to its reliable test solution for in vehicle emergency call systems
At Mobile World Congress, Rohde & Schwarz is demonstrating an ERA-GLONASS test setup consisting of the R&S CMW500 wideband radio communication tester and R&S SMBV100A vector signal generator as a global navigation satellite system (GNSS) simulator...
Circuits
»Four-quadrant DC/DC regulator smoothly transitions from positive to negative output
Four-quadrant DC/DC regulator smoothly transitions from positive to negative output
In many electronic systems, it is necessary to provide a bipolar (positive and negative) voltage or current into a particular type of load. Loads that require bipolar voltages/currents include FPGA body biasing applications, thermoelectric coolers, DC motors, and many others. There are many traditional methods to provide a bipolar voltage/current to a load. H-bridge designs are frequently used, but require that neither of the load’s terminals is tied directly to ground...
News
»Transphorm Announces Industry's First 600V GaN Transistor in a TO-247 Package
Transphorm Announces Industry's First 600V GaN Transistor in a TO-247 Package
Transphorm Inc. announced at APEC 2015 that it is now offering engineering samples of its TPH3205WS transistor, the first 600 V GaN transistor in a TO-247 package. Offering 63 mOhm R(on) and 34 A ratings, the device utilizes the company’s Quiet TabTM source-tab connection design, which reduces EMI at high dv/dt to enable low switching loss and high-speed operation in power supply and inverter applications...
Articles
»Sophisticated tools accelerate SDR
Sophisticated tools accelerate SDR
Software-defined radio (SDR) is an increasingly viable and important communications system. In principle, it allows a single hardware design to support communications across a variety of formats, protocols, and frequencies, including GSM base stations, LTE base stations, MIMO designs, and more. A basic SDR architecture looks relatively simple, at least "on paper", just digitize the amplified RF signal directly, without the need for down conversion and a local oscillator, or any hardware-driven tuning, and then process the digitized results using various algorithms...
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