Allicdata Part #: | LE79489-2DJCT-ND |
Manufacturer Part#: |
LE79489-2DJCT |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microsemi Corporation |
Short Description: | IC SLIC 1CH 60DB LGBAL 32PLCC |
More Detail: | Telecom IC Subscriber Line Interface Concept (SLIC... |
DataSheet: | LE79489-2DJCT Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Function: | Subscriber Line Interface Concept (SLIC) |
Interface: | 2-Wire |
Number of Circuits: | 1 |
Voltage - Supply: | 4.75 V ~ 5.25 V |
Current - Supply: | -- |
Operating Temperature: | -40°C ~ 85°C |
Mounting Type: | Surface Mount |
Package / Case: | 32-LCC (J-Lead) |
Supplier Device Package: | 32-PLCC (11.43x13.97) |
Includes: | -- |
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LE79489-2DJCT is a radio frequency (RF) chip product featured by NXP Semiconductors. It is especially suitable for TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) applications, providing 3GPPFDD and 3GPPTD-SCDMA functions. LE79489-2DJCT is an integrated triple-band, high-speed and low-power transmitter and receiver targeted for mobile device applications.
LE79489-2DJCT features multi-channel interface, including unidirectional and bidirectional Data, Clock/Bias, Air Interface, TD-SCDMA Protocol Processor and other peripheral functions. With advanced and highly integrated TD-SCDMA protocol application, LE79489-2DJCT provides comprehensive solutions along with a wide array of features.
Application Field
LE79489-2DJCT is applicable for WCDMA and TD-SCDMA mobile devices, such as mobile phones and data cards. It provides the full system functions needed for TD-SCDMA applications, including the synchronization function, time division duplex switching, and frequency scanner module. In addition, it also supports multiple host modes, such as AoC (Air Interface On-chip Clock), CLK2/BIAS2 and Clock calibration mode, providing an ideal platform for advanced wireless applications.
LE79489-2DJCT supports the TD-SCDMA interface for packet data access, in order to simplify data access process and enhances the data speed of communication between mobile stations and base stations. Furthermore, LE79489-2DJCT supports tacking mode, thus improving the impedance matching, in order to reduce the user’s power consumption. LE79489-2DJCT enables improved data transmission and reception performance, so as to provide better quality of service in wireless networks and a more pleasant wireless experience for users.
Working Principle
LE79489-2DJCT adopts advanced CMOS technology, which enables the integrating of TX and RX with gains and the data at the interface of radio frequency, digital radio, and host processor. The synchronization and tracking logic modules in the chip ensure that the mobile device is always in sync with the base station. RF input can be converted to the baseband frequency by running the appropriate digital signal, and the digital signal can be processed by tracking logic. After sending out the signal, LE79489-2DJCT will compare the transmitted signal before transmission with the signal received at the same time after transmission, in order to identify discrepancies and adjust the transmitted signal accordingly.
The communication between the base station and mobile station is enabled by applying DFE (Data Decoding and Error Control) technique. With this technique, data transmission and reception from the mobile station to the base station, and from the base station to the mobile station can be carried out smoothly. Additionally, LE79489-2DJCT also supports relay mode, whereby the base station relays the data to another mobile station, enabling efficient use of air interface resources.
Moreover, LE79489-2DJCT is embedded with its own transmission gain block. With this block, the chip can adjust the Signal to Noise Ratio (SNR) signal directly. This block can also control the low-noise linear amplifier to set the signal power level. In addition, considering the signal power balance of the air interface, the chip can automatically acquire and adjust the signal power.
The specific data is subject to PDF, and the above content is for reference
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