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MT6631_Design_Notice_V0.3_20160122
Document Change List
Version
| Date of change
| Description of change
| Page
| V0.1
| 20150630
| Initial updated from MT6631 design notice V0.1
|
| V0.2
| 20151117
| Update bypass cap value sync with reference schematic
| 8,9
| V0.3
| 20160126
| Correct some wording about different platform supported
| 26
|
|
| Update the rule that avoid the audio noise de-sense to FM Add
| 24
|
|
| LTE B39 to GPS system level de-sense
| Add 34~37
| V0.4
| 201601024
| WiFi 2.4G BAW/FBAR matching Design Guide
| Add 34~35
|
|
| Change power domain description, add Vcore,
AVDD12_WBG
| 8
|
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| New chip GPS use single-ended design
| 15,27
|
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| FM circuit add MT6355 design
| 25
|
Agenda - MT6631 Block Diagram
- MT6631 Performance & Feature Overview
- MT6631 sub-system application circuit guide
- Control and IQ interface Application Design
- WiFi/BT Application Design
- GPS Application Design
- FM Receiver Application Design
- MT6631 sub-system layout Guide
- MT6631 system level de-sense design guide
- Primary MT6631 documents
MT6631 Block Diagram
mt6631
MT6631 block diagram
MT6631 Feature
General
• MT6631 is a 4-in-1 connectivity RF chip which contains front-ends of a 2.4GHz Wi-Fi and Bluetooth transceiver, a 5GHz Wi-Fi transceiver, a GPS receiver and an FM receiver.
• MT6631 supports integrated passive device to save footprint on PCB and cost due to Wi-Fi/Bluetooth/GPS external BoM (bill of materials) in a 40-pin QFN package.
▪ Wi-Fi / BT
• Concurrent reception (co-RX) of WiFi-2.4GHz and Bluetooth for higher throughput.
• Simultaneous operation (FDD) of WiFi-5GHz and Bluetooth.
▪ Wi-Fi
• Dual-band (2.4GHz and 5GHz) single stream 802.11 a/ b/g/n/ac RF, 20/40/80MHz bandwidth
• Supports worldwide Wi-Fi 5G channel including new band in US and China (5925MHz), and Bluetooth FDD operation
• Integrated 2.4GHz PA with max. 20dBm CCK output power,5GHz PA OFDM 54Mbps output power 17dBm and VHT80 MCS9 output power 15dBm.
• Typical Rx sensitivity with companion chip modem: -76.5dBm at both 11g 54Mbps mode and 11a 54Mbps mode, -62dBm at 11ac VHT80 MCS9 mode
• Integrated power detector to support per packet Tx power control
• Supports external PA and LNA for WiFi-2.4GHz and WiFi-5GHz
Bluetooth
• Bluetooth specification v2.1+EDR, 3.0+HS and v4.1+HS compliant
• Integrated PA with 8dBm (class 1) transmit power
• Typical Rx sensitivity with companion chip modem: GFSK -94dBm, DQPSK -93dBm, 8- DPSK -87.5dBm
▪ ANT/ANT+
• The wireless protocol standard for sport and fitness monitors
• Supports different profiles for various applications: sport & fitness, health & wellness,recreational activity, transportation, and information management, etc.
▪ FM
• 65 -108MHz with 50kHz step
• Supports RDS/RBDS
• Digital stereo modulator/demodulator
• Digital audio interface
▪ GPS
• RF supports GPS, Glonass, and Beidou.
• Simultaneous reception of GPS + Glonass + Beidou for more accurate positioning.
• Typical RX tracking sensitivity of -165dBm.
• Support external LNA
MT6631 Pin-out
mt6631
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