HSDL-3003-028

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Link Range, Low Power:	--
Orientation:	--
Operating Temperature:	--
Size:	--
Standards:	--
Shutdown:	--

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HSDL-3003-028 IrDA Transceiver Modules Application Field and Working Principle

The HSDL-3003-028 IrDA Transceiver Modules comprises two components, an infrared communications receiver and a simulator. It is a compact module that enables low-cost, high-speed, short-range wireless communication. The IrDA standard is used in such applications as point-of-sale terminals, industrial process-control, computer networking, and medical instrumentation.The IrDA Standard is a serial infrared communications protocol which specifies a set of electrical and timing characteristics for infrared transmission. This protocol is used to reliably transmit information from one device to another over short distances at data rates up to 4 Mbps. The transmitter module has a dual-mode design, with both IR and Electro-Optical (EO) modulator functions. The EO modulates a digital signal to the infrared emission, while the IR mode uses irregular emission.The receiver module is a digital optical receiver that demodulates the IR signal and converts it into usable electrical signal levels. The receiver has sensitivity over a wide dynamic range. It also has adjustable gain and a selectable Peclet filter bandwidth, allowing filtering for either wide-band or narrow-band use.The HSDL-3003-028 is designed to meet the IrDA 1.1 standard. It delivers a robust package that provides low power consumption, enhanced performance, and strong reliability. It supports data rates up to 4 Mbps and is approved for use in both household and industrial environments.The HSDL-3003-028 includes a microcontroller which acts as the brains of the module. It controls the operation of the receiver and the transmitter. The microcontroller gets its instructions from an external microprocessor or computer through a serial interface. The microcontroller can be programmed to interpret the incoming serial data according to conventional or vendor specific protocols. The microcontroller also supports serial data transmission, as well as power management and LED indication for signal strength and received data level.The transmitter section of the module includes a digital frequency generator, a power amplifier, and a high-speed differential amplifier. The frequency generator uses a voltage controlled oscillator to generate the required signal. The amplifier amplifies the signal to the levels needed for modulation onto the Emission Mode active waveform and transmits the signal over the line. The amplifier uses a low-noise, low-power design, giving the module enhanced performance and robust operation.In operation, the HSDL-3003-028 transfers digital data between two communicating devices in a reliable and fast manner. The transmitter digital input is encoded into an emission mode (EM) wave and those waveforms are transmitted. After modem equalization is performed on the transmitted signal to equalize the information bits, the em waveforms are converted into digital signals at the receiver.In summary, the HSDL-3003-028 IrDA Transceiver Modules are designed to meet the IrDA 1.1 standard for reliable, high-speed data transfer in a wide range of applications. The module includes a microcontroller, digital frequency generator and power amplifier for a robust package, while providing low power consumption. With its support of up to 4 Mbps data transmission, the HSDL-3003-028 is an ideal choice for industrial environments where reliable communication is required.

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