DWM1001模块：UWB超宽带技术，低功耗与蓝牙连接

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DWM1001是一款基于Decawave公司DW1000超宽带(UWB)接收器IC的模块，该IC符合IEEE 802.15.4-2011标准，实现了UWB和蓝牙®技术的集成。这款模块具有诸多关键特性： 1. 高度精准的测距功能，可以达到厘米级别的精度，这对于需要精确定位的应用至关重要。 2. 内置6.5GHz UWB频道5印刷PCB天线，提供高效且稳定的无线通信性能。 3. 支持6.8Mbps的数据传输速率，符合IEEE 802.15.4-2011标准，确保了高速数据传输的能力。 4. 基于Nordic Semiconductor的nRF52832处理器，集成了先进的蓝牙®连接功能，便于设备间的数据交换和控制。 5. 模块内建的蓝牙®芯片天线以及3轴加速度传感器，拓展了模块的多功能性，可用于运动跟踪和环境感知。 6. DWM1001在低功耗模式下电流消耗极低，小于15微安，显著延长电池寿命，特别适合对能耗有严格要求的应用。 7. 电源电压范围广泛，支持2.8V到3.6V，适应不同电源环境。 8. 尺寸紧凑，仅为19.1mm x 26.2mm x 2.6mm，有利于小型化设计。 9. DWM1001模块通过了ETSI、FCC和ISED的相关认证，确保其合规性和安全性，产品标识上列有具体的FCC ID（2AQ33-DWM1001）和IC编号（23794-DWM1001）。主要优势包括： - 简化设计周期，降低开发成本，并加快产品上市时间。 - 低功耗硬件设计，有助于延长终端设备的电池续航能力。 - 提供多种接口选项，如SPI、UART、I2C和蓝牙®，方便与主机设备进行无缝集成。 - 嵌入式设计，无需额外的初始化步骤，直接用于各种应用场景。 DWM1001模块的优势使其成为物联网(IoT)设备、智能家居、可穿戴设备以及工业自动化等领域的理想选择，能显著提高系统效率并降低成本。对于寻求高性能、低功耗和快速开发解决方案的工程师而言，这款模块是值得考虑的关键组件。

DWM1001 Datasheet

2 DWM1001 CALIBRATION

Depending on the end-use applications and the system design, DWM1001 settings may need to be tuned. To

help with this tuning several built-in functions such as continuous wave transmission and continuous packet

transmission can be enabled. See the DW1000 User Manual [3] for further details.

2.1.1 Crystal Oscillator Trim

DWM1001 modules are calibrated at production to minimise initial frequency error to reduce carrier frequency

offset between modules and thus improve receiver sensitivity. The calibration carried out at module production

will trim the initial frequency offset to less than 3 ppm, typically.

2.1.2 Transmitter Calibration

The DWM1001C is calibrated in module production, the calibrated values are permanently stored in the DW1000

OTP. This module is calibrated to meet the regulatory power spectral density requirement of less than -

41.3 dBm/MHz.

2.1.3 Antenna Delay Calibration

In order to measure range accurately, precise calculation of timestamps is required. To do this the antenna delay

must be known. The DWM1001 allows this delay to be calibrated and provides the facility to compensate for

delays introduced by PCB, external components, antenna and internal DWM1001 delays.

The DWM1001’s antenna delay was pre-calibrated for the RF configuration used within PANS. The antenna

delay is stored in OTP memory.

To calibrate the antenna delay, range is measured at a known distance using two DWM1001 systems. Antenna

delay is adjusted until the known distance and reported range agree.

Antenna delay calibration must be carried out as a once off measurement for each DWM1001 design

implementation. If required, for greater accuracy, antenna delay calibration should be carried out on a per

DWM1001 module basis, see DW1000 User Manual [3] for full details. Further details can be found in the

Antenna Delay Application Note [8].

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DWM1001模块：UWB超宽带技术，低功耗与蓝牙连接

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