Remote control code learning IC combines signal detection and processing
July 27, 2012 // Julien Happich
Designed for universal remote controllers, the VSOP98620 is compatible with all remote control data formats and simplifies the code learning process by amplifying and shaping the signal received by the infrared emitter already present in these devices.
The VSOP98620 also can be used in tablet PCs and smartphones that are enabled with an infrared emitter.
In order to transmit valid commands, universal control devices must learn the modulation frequency and pulse patterns for each appliance being controlled. The most intuitive method for teaching them the correct code is to use the appliance's remote control, placing it nose-to-nose with the universal controller. When a key is pressed, the infrared emitter transmits the pulses associated with this function and the universal controller receives the code and stores it in memory.
Before the VSOP98260, signal detection and processing functions for code learning in universal control devices required discrete solutions. By combining these functions into one component, the IC released today simplifies designs in these devices, saving space and reducing overall costs. The output from the VSOP98260 accurately corresponds to the carrier frequency and data burst length of the input signal while being immune to noise from other light sources such as compact fluorescent lamps. The VSOP98260 can receive any carrier frequency from 20 kHz to 60 kHz, and it operates on a supply voltage from 2.0 V to 3.6 V and a supply current of 0.6 mA to 0.9 mA. The IC is packaged in a 2x2mm QFN package with a profile of 0.7 mm. The RoHS-compliant device operates over a temperature range of − 25 to + 85°C and is compliant to WEEE 2002/96/EC, free of halogens, and compatible with lead (Pb)-free soldering.
Visit Vishay Intertechnology at www.vishay.comAll news
DecaWave preps for expansion, next location chip.
September 03, 2015
Even though ultrawideband fabless chip company DecaWave Ltd. (Dublin, Ireland) has only recently raised funding of $4.5 million ...
These five trends drive automotive innovation
How to increase your engineering value in just 20 minutes a day
Google-led group preempts HEVC
IT security is changing: if the SIEM is dead, what's next?
Serdes startup Credo raises $8 million
September 03, 2015
Credo Semiconductor Inc. (Milpitas, Calif.), a developer of serializer-deserializer circuits, technology and IP cores, has ...
The future of print and paper: digital hybrids
Google backer offers $50 million quantum computer investment
Solar-charged transparent Li-ion battery promises 'smart windows'
- High Voltage CMOS Amplifier Enables High Impedance Sensing with a Single IC
- Software-Defined Radio Handbook
- Why Making the Move from a Variable Transformer to a VariPLUS is the Right Decision
- Automating Leakage and Functional Testing
InterviewCEO interview: Ambiq sees broader options for low voltage
Mike Noonen, recently appointed interim CEO at microcontroller startup Ambiq Micro, discusses the focus and opportunities for this pioneering company designing circuits that can operate below the threshold ...
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, Altera is giving away three of its second-generation Nios II Embedded Evaluation Kit (NEEK), worth 9 each, for EETimes Europe's readers to win.
The feature-rich platform provides a fast and simple way for embedded designers to experience the capabilities of a custom embedded processor in a non-volatile FPGA.
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.