High linearity downconverting mixer covers 4-6-GHz RF frequency range
March 29, 2012 // Paul Buckley
Linear Technology has released a 4 GHz to 6 GHz high dynamic range downconverting mixer. The LTC5544 mixer offers high linearity with 25.9 dBm IIP3 (Input Third-Order Intercept), high conversion gain of 7.4 dB owing to its integrated IF amplifier, and a noise figure of 11.3 dB.
The performance characteristics enable excellent dynamic range performance for both main receivers and digital pre-distortion receivers. Moreover, the LTC5544’s RF input can withstand strong interference signals without significantly degrading its noise figure, thus preserving receiver sensitivity and enhancing robustness. The LTC5544 operates on a single 3.3 V supply without compromising performance, while keeping power consumption to a minimum.
The LTC5544’s 6 GHz reach is ideally suited for wireless systems such as point-to-point broadband microwave links, 5 GHz license-free band WiMAX radios, satellite receivers, radar systems, avionics, public safety radios and RF test systems.
The LTC5544 incorporates an on-chip integrated high gain IF amplifier capable of supporting IF frequencies up to 1GHz. Also integrated are an LO buffer along with two RF balun transformers. They enable the RF and LO inputs to operate single-ended and with 50 Ω matching. The LO input requires only +2 dBm drive level. These features simplify design and require fewer external components, resulting in a smaller solution size.
The LTC5544 operates on a single 3.3 V supply, drawing 194 mA of current. The LTC5544 has a power-down feature with 0.6 µs turn-on and turn-off time, supporting Burst Mode operation or TDD (time division duplexed) systems. When disabled, the device consumes a maximum of 500 µA. The LTC5544 is offered in a 16-lead, 4 mm x 4 mm plastic QFN package and is available immediately from stock. Pricing starts at $8.50 each in 1,000 piece quantities.
More information about www.linear.com/product/LTC5544
Searchable 4K mobile imaging soon a commodity
October 06, 2015
Cadence has just unveiled its latest image and video processing DSP core, the Tensilica Vision P5, boasting a 13X performance ...
Virtual reality: a real driver for GPUs, says ARM
Lossy Adesto preps IPO
u-blox and Cohda Wireless partner on V2X
Elon Musk targets high-volume solar panel dominance
Volvo shows user interface for self-driving cars
October 05, 2015
Automated driving poses specific requirements to the user interface of the cars, in particular for the transition phases ...
Volkswagen has given engineering a black eye
MEMS platforms are way to go, says Bosch's Finkbeiner
Put FPGAs in your SoCs
- Determine Balancing Current for the LTC3305 Lead-Acid Battery Balancer
- 3 Ways to Simplify Medical Device Testing
- Thread Networking Protocol Simplifies Connecting “Things” in the Home and Beyond
- High Voltage CMOS Amplifier Enables High Impedance Sensing with a Single IC
InterviewMEMS platforms are way to go, says Bosch's Finkbeiner
In the two years since we last interviewed Stefan Finkbeiner, CEO of Bosch Sensortec, the company has taken over from STMicroelectronics as the leading global supplier of MEMS components. Here he explains ...
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, LabNation is giving away three of its SmartScope open source USB oscilloscopes, worth 229 Euros each, for EETimes Europe's readers to win.
Successfully funded through Kickstarter last year, the SmartScope is claimed to be the world's first test equipment designed to run on multiple operating systems and platforms such as smartphones, tablets and PCs. It is powered directly from... 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.