Mixed Signal/Analog

The LTC5599, a low power I/Q modulator, has been released by Linear Technology. The device is suitable for use with battery-powered transmitters operating in the 30MHz-1.3GHz frequency bands. Powered from a single 2.7-3.6V supply, the moduator draws only 28mA current. The company claim that this is 60% less than that of alternative solutions and does not affect the devices performance. 

A new dual, 16-bit analog-to-digital converter with sampling speeds of up to 310 MSPS from Analog Devices is now available at Richardson RFPD. The AD9652 is designed to support demanding, high speed signal processing applications that require exceptional dynamic range over a wide input frequency range (up to 465 MHz).

A family of custom KVM extenders has been expanded with the introduction of DisplayPort versions. The Draco vario DisplayPort extenders, introduced by IHSE, enable the transmission of HD video and audio data over the DisplayPort interface. DisplayPort, an increasingly popular interface, transmits video and audio signals simultaneously, supports the highest display resolutions, incorporates mechanical locking and is compatible with VGA, DVI and HD...

A current-to-digital converter module, designed to reduce the cost and complexity of CT scanner system design, has been introduced by Analog Devices. Available in a 15mm² BGA package, the ADAS1131 is a 256-channel, 24-bit current-to-digital converter whose 0.8mm pitch enables designers to mount the device on a standard PCB substrate. This gives designers a  less costly and higher yield option than...

A novel approach to digitally measuring analogue current could deliver greater accuracy at ultra-low powers. By Johann Zipperer & Peter Weber, Texas Instruments.

A hall encoder, claimed to save energy, has been introduced by iC-Haus. The iC-TW11, which allows for a 10-bit angle detection, has a sampling rate and 10Hz, with an average current consumption of typically 3μA. In standby mode between measuring cycles the idle current cuts back to approximately 100nA. In normal operation the iC-TW11 supports sampling rates of 4kHz with an activated filter and automatic amplifier gain ...

Rutronik is presenting the S110 SoftDevice v7.0, the next major release of Nordic Semiconductor’s Bluetooth low energy stack for the nRF51822 Bluetooth low energy (BLE) and 2.4GHz proprietary System-on-Chip (SoC) and the nRF51422 ANT and ANT/Bluetooth low energy multiprotocol SoCs. It enables simple, secure and reliable field updates of both stack and application and makes it easier to design ULP wireless products.

A series of eight baluns for CATV MoCA applications has been released by MACOM. These baluns are lead-free, compatible with a 260°C reflow temperature profile and can be used in either 75Ω or 50Ω systems. Additionally, the baluns are RoHS compliant. 

Reporting for ES Design magazine, Steve Rogerson looks at the methods for testing and verifying PCB layouts containing mixed-signal and analogue components.

Silicon Labs introduces a family of digital isolators which the company claims offer the highest channel count, performance, reliability and data rates for cost-sensitive consumer electronics applications requiring functional isolation of up to 1kV. The Si80xx family is based on Silicon Labs’ patented CMOS-based digital isolation technology.