Industry's first dual IF VGA supports multi-mode 4G base station transceivers
January 26, 2012 // Paul Buckley
Integrated Device Technology is claiming the industry’s first FlatNoise dual intermediate frequency (IF) variable gain amplifier (VGA) for multi-mode 2G/3G/4G wireless base station transceivers. The company’s devices claim to offer the industry’s best noise figure (4 dB) for maximum gain and virtually no degradation when gain is reduced, improving quality-of-service (QoS) and easing the signal-to-noise ratio (SNR) requirements of the downstream data converter to reduce system cost.
The IDT F1240 and F1241 are dual-channel digitally-controlled IF VGAs featuring IDT’s FlatNoise technology. This technology virtually eliminates noise figure degradation for the critical top 13 dB section of a wide 31 dB gain control range – a stark contrast to other IF VGAs which typically exhibit a dB for dB degradation in noise figure as gain is reduced.
FlatNoise eases the SNR requirements of the system’s data converter, enabling customers to improve signal quality and use a more cost-effective, lower-resolution data converter. For many applications, this allows the customer to downgrade from a 14-bit data converter to a 12-bit data converter with comparable system SNR.
The company's IF VGAs feature extremely low distortion (OIP3 = +49 dBm), allowing for higher front-end gain, improving the receiver’s sensitivity and resulting in additional QoS enhancement. The devices operate over a 10 MHz to 500 MHz frequency range with a typical maximum gain of 20 dB and offer the industry’s lowest power consumption (80 mA per channel). In addition, the IF VGAs are accurate, with a gain step error of only 0.04 dB, improving the system SNR performance even further. A parallel or serial communication interface provides control of a 6-bit (0.5 dB: F1240) or 5-bit (1.0 dB: F1241) resolution, giving designers maximum flexibility.
The IDT F1240 and F1241 are currently sampling to qualified customers and are available in a 5x5 mm 32-pin QFN package.
For further information: www.idt.com/go/RF.
How industrial IoT will drive the MEMS market indirectly
December 19, 2014
Growth in the industrial Internet of Things equipment market is driving strong growth for microelectromechanical systems ...
Successful with phones & drones, Parrot ponders fFarming
Qimonda's late legacy: 28nm FeRAM
Volvo airs cloud-based cyclist protection system
Sony transforms eyewear into smart augmented reality devices
Harman grabs hidden infotainment gem S1nn
December 18, 2014
Automotive infotainment company Harman International Industries has reached an agreement to acquire S1nn GmbH & Co. Despite ...
Alps Electric puts cash into Qualtre
China VC lifts sensor startup to record funding
MIT discovers superconductor law
- New life for Embedded systems in the Internet of Things
- Virtualization and the Internet of Things
- RF/Microwave Instrumentation “S” Series Amplifiers
- Application Guide to RF Coaxial Connectors and Cables
InterviewCEO interview: Bosch's IoT startup is all about the system
Thorsten Mueller, CEO of Bosch Connected Devices and Solutions GmbH (Reutlingen, Germany), has been guiding the latest startup subsidiary of Robert Bosch GmbH since 2013 when he started the initiative ...
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Arrow Electronics is giving away ten BeMicro Max 10 FPGA evaluation boards together with an integrated USB-Blaster, each package being worth 90 Euros, for EETimes Europe's readers to win.
Designed to get you started with using an FPGA, the BeMicro Max 10 adopts Altera's non-volatile MAX 10 FPGA built on 55-nm flash process.
The MAX 10 FPGAs are claimed to revolutionize...MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.