型號 : WS-AUDIO24-0005-TX

2.4GHz 無線音頻發射模組

2.4GHz無線音訊模組是一個高度集成的數位核心模組。通過智慧的意義，無線技術開發電話會議。它可以提供高品質的用戶的無線音訊。如I2S介面支援，USB嵌入式如I2C控制介面，低電壓。2.4GHz無線音訊模組射頻積體電路等重點區塊，提供多種介面，雙發射器和接收方式，使高品質，無縫傳輸發射機，發送接收數位化的輸入，這是同步處理資料的完整性和身歷聲。在此之後，資料調製和接收器的2.4GHz ISM band.In輻射，接收射頻信號接收，解調和處理，以恢復發射信號，然後數位音訊輸出流。

Key Features

RF Features

• Worldwide 2.4 GHz ISM band operation by 2406 MHz ~ 2472MHz.
• Up to 2 Mbps RF data rate
• GFSK modulation.
• Long distance > 30m (Line of sight)
• Broadcasting mode
• RF frequency hopping in 34 channels
• Embedded uP/MAC mode settings IA2E RF normal operation mode that support 15 hopping channel/Per Sequence. It is included 4 Sequence group/per system.
• According FHSS specification protocol.

Audio Quality and Interface

• Output Power 0.5W
• Support Compressed audio
• Analog output: THD+N up to -70dB, SNR up to 85dB.
• Support I2S (Audio In/Out) and USB (Tx Audio Input) with 2 channels downstream.
• Support I2S downstream 32/44.1/48KHz at resolution of 16 bits (2 channels).
• IA2E wireless audio module that support in master mode for Tx and Rx audio interface.
• Control Channel (CCH) up to 2 kbps for downstream by I2C interface via wireless.
• USB 1.1 device controller, Supports LPCM and compressed format at 16-bit 2-channels at sampling frequency of 32, 44.1, and 48KHz downstream.

General Features

• Programmable audio latency 20ms/50ms(default: ~40ms)
• Integrated pipelined 8-bit CPU, with embedded 4K bytes program RAM, with embedded RFIC in IA2E audio processor.
• Serial 4K byte EEPROM for Boot Register Update.I2C interface support blank EEPROM code download, External I2C device read/write, and data.

Tx Charging Features (Option)

• Support Rechargeable “AAA” size Ni-MH battery for 900mAH to 1000mAH capacity by Tx module internal charging circuit and firmware control.

Applications

• Wireless Headphone
• Wireless HTiB
• Wireless Mini-Combo
• Wireless Outdoor Speaker
• Wireless Audio Sender

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