u-blox N731 UMTS/HSPA Modem Reference Design

u-blox announced the N731 UMTS/HSPA modem reference design. The high-speed wireless connectivity reference design features full High-Speed Packet Access (HSPA) capabilities: 7.2 Mb/s download and 5.8 Mb/s upload speeds. The N731 is a design that combines a baseband processor, RF transceiver, antenna multiplexer, and power amplifier components to support eight bands of HSPA / UMTS / EDGE / GPRS / GSM functionality including data, voice, and SMS.

u-blox N731 UMTS/HSPA modem reference design

The N731 reference design is available for license to OEM customers for high volume applications. It requires only 35.7 x 24.0 x 2.5 mm of PCB area.

u-blox N731 UMTS/HSPA Modem Reference Design Overview

  • Low power consumption (ave.): Idle: Idle: 2 mA, 2G Talk – 33dBm: 300 mA, 3G Talk – 24 dBm: 600 mA
  • Output power: class 4 (2 W) for 850/900 bands, class 1 (1 W) for GSM 1800/1900 bands, class ES2 (26 / 27 dBm) for 8-PSK modulation (EDGE)
  • Required PCB area: 35.7 mm x 24 mm x 2.5 mm
  • Supply voltage range: 3.4 to 4.2 V (nom. 3.8)
  • Multiple interfaces: 50 ohm UFL RF antenna, 60-pin board-to-board connector, USB 2.0 Full Speed, one analogue audio interface for handset and hands free operation, one digital audio interface, USIM card interface supporting 1.8 and 3 V cards, 2 UART serial ports, I2C bus, SPI bus, 1 x analogue in (ADC), 9 general purpose I/Os, optional USB 2.0 On-The-Go (OTG)
  • Wide Temperature range: -10° C +65 °C
  • RoHS compliant
  • Tested, off-the-shelf GSM / GPRS / EDGE / UMTS /HSPA solution including hardware design, PCB layout,software binaries, training, documentation and production support
  • Supports four GSM bands and four WCDMA FDD bands
  • HSDPA category 8 (7.2 Mb/s)
  • HSUPA category 6 (5.8 Mb/s)
  • Supports data, voice (incl. hands free) and SMS
  • Ultra-compact design with optimized layout
  • Mature, proven design

More information: u-blox