RTL8812AU-CG Datasheet PDF - Realtek Microelectronics
Part Number | RTL8812AU-CG | |
Description | SINGLE-CHIP IEEE 802.11ac 2T2R WLAN CONTROLLER | |
Manufacturers | Realtek Microelectronics  | |
Logo |   | |
There is a preview and RTL8812AU-CG download ( pdf file ) link at the bottom of this page. Total 18 Pages |
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SINGLE-CHIP IEEE 802.11ac 2T2R WLAN
CONTROLLER WITH USB 2.0/3.0
INTERFACE
DATASHEET
(CONFIDENTIAL: Development Partners Only)
Rev. 0.2
24,May, 2011
Track ID: JATR-2265-11
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211. Fax: +886-3-577-6047
www.realtek.com
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RTL8812AU
Datasheet
1. General Description
The Realtek RTL8812AU-CG is a highly integrated single-chip MIMO (Multiple In, Multiple Out) Wireless
LAN (WLAN) USB 2.0/3.0 network interface controller complying with the wireless very high throughput
IEEE 802.11ac Draft 2.0 and 802.11n specifications. The RTL8812AU-CG provides a complete solution for a
high-performance wireless client and also supports WiFi Direct feature that can easily build a WiFi P2P PAN
network.
The RTL8812AU-CG baseband implements Multiple Input, Multiple Output (MIMO) Orthogonal Frequency
Division Multiplexing (OFDM) with two transmit and two receive paths (2T2R). Features include two spatial
stream transmissions, short Guard Interval (GI) of 400ns, spatial spreading, and support for both 20MHz,
40MHz and 80MHz channel bandwidth. Moreover, RTL8812AU provides one spatial stream space-time block
code (STBC) , Transmit Beamforming (TxBF) and Low Density Parity Check (LDPC) to extend the range of
transmission. At the receiver, extended range and good minimum sensitivity is achieved by having receiver
diversity up to 2 antennas. As the recipient, the RTL8812AU also supports explicit sounding packet feedback
that helps senders with beamforming capability. With 2 independent RF blocks, the RTL8812AU can perform
fast roaming without link interruption.
For legacy compatibility, Direct Sequence Spread Spectrum (DSSS), Complementary Code Keying (CCK) and
OFDM baseband processing are included to support all IEEE 802.11b, 802.11g and 802.11a data rates.
Differential phase shift keying modulation schemes, DBPSK and DQPSK with data scrambling capability are
available, and CCK provides support for legacy data rates, with long or short preamble. The high speed
FFT/IFFT paths, combined with BPSK, QPSK, 16QAM, 64QAM and 256QAM modulation of the individual
subcarriers, and rate compatible coding rate of 1/2, 2/3, 3/4, and 5/6, provide up to 866.7Mbps for IEEE
802.11ac MIMO OFDM.
The RTL8812AU-CG builds in an enhanced signal detector, an adaptive frequency domain equalizer, and a
soft-decision Viterbi decoder to alleviate severe multi-path effects and mutual interference in the reception of
multiple streams. For better detection quality, receive diversity with Maximal-Ratio-Combine (MRC) applying
up to two receive paths is implemented. Robust interference detection and suppression are provided to protect
against Bluetooth, cordless phone, and microwave oven interference.
Receive vector diversity for multi-stream application is implemented for efficient utilization of the MIMO
channel. Efficient IQ-imbalance, DC offset, phase noise, frequency offset, and timing offset compensations are
provided for the radio frequency front-end. Selectable digital transmit and receive FIR filters are provided to
meet transmit spectrum mask requirements and to reject adjacent channel interference, respectively.
Single-Chip IEEE 802.11a/b/g/n/ac 2T2R WLAN
Controller with USB3.0 Interface
1
Track ID: JATR-2265-11 Rev. 0.2
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for RTL8812AU-CG electronic component. |
Information | Total 18 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Product Image and Detail view | 1. IEEE 802.11ac 2T2R WLAN CONTROLLER [ Learn More ] | |
Download | [ RTL8812AU-CG.PDF Datasheet ] |
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