DWM1000 Datasheet

© Decawave Ltd 2016

Version 1.8

Page 13

4.4 Receiver Sensitivity Characteristics

antenna gain of 0 dBi and should be modified by the antenna characteristics quoted in Table 12 depending on

the orientation of the DWM1000.

Table 8: DWM1000 Typical Receiver Sensitivity Characteristics

Packet

Error

Rate

Data Rate

Receiver

Sensitivity

Units

Condition/Note

1%

110 kbps

-102

dBm/500 MHz

Preamble 2048

Carrier

frequency

offset

±10 ppm

All measurements

performed on

Channel 5, PRF 16

MHz

Channel 2 is

approximately 1

dB less sensitive

850 kbps

-101

dBm/500 MHz

Preamble 1024

6.8 Mbps

-93

dBm/500 MHz

Preamble 256

10%

110 kbps

-106

dBm/500 MHz

Preamble 2048

850 kbps

-102

dBm/500 MHz

Preamble 1024

6.8 Mbps

-94

dBm/500 MHz

Preamble 256

4.5 Reference Clock AC Characteristics

4.5.1 Reference Frequency

Table 9: DWM1000 Reference Clock AC Characteristics

Parameter

Min.

Typ.

Max.

Units

Condition/Note

On-board crystal oscillator reference

frequency

38.4

MHz

On-board crystal trimming range

±25

ppm

Internally trimmed to +/- 2 ppm

under typical conditions.

On-board crystal frequency stability

with temperature

±30*

ppm

ppm

-40⁰C to +85⁰

On-board crystal aging

±3

ppm/3year

@25⁰C ±2⁰C

Low Power RC Oscillator

5

12

15

kHz

*By using the temperature monitoring capability of the DW1000 chip on the DWM1000 module it is possible to dynamically trim

the crystal during run time to maintain the +/- 2ppm specification over the full temperature range of operation.

4.6 Transmitter AC Characteristics

Table 10: DWM1000 Transmitter AC Characteristics

Parameter

Min.

Typ.

Max.

Units

Condition/Note

Frequency range

3244

6999

MHz

Channel Bandwidths

500

MHz

Channel 1, 2, 3 and 5

Output power spectral density

(programmable)

-39

-35

dBm/MHz

See DW1000 Datasheet [2]

Power level range

37

dB

Coarse Power level step

3

dB

Fine Power level step

0.5

dB

Output power variation with

temperature

0.05

Output power variation with voltage

2.73

3.34

dB/V

Channel 2

Channel 5