Laird BL654 Series Application Note page 13

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Payload Length

TRANSMIT

Once configured, click TRANSMIT. If successful, no errors should show, as illustrated in

CW test.

Figure 8: Successful initiation of TX Test

With the module is in a Transmit test, you can measure the signal on a spectrum analyzer.

To conduct a receive test, configure the options in the Direct Test Mode panel as follows:

Same as previous

COM Port

LE RESET

First start by pressing "LE RESET".

Data rate

1MPHY or 2MPHY or LE CODED (S=8) or LE CODED (S=2)

Standard or Stable

BL654 series BLE module currently does support standard modulation index, so

Modulation Index

press MOD'N INDEX (STD)

Channel (fRx)

19 (2440 MHz)

Pkt Type Value

Payload Model

(such as Pkt Type)

Pkt Type 00 – If a BLE-modulated RX signal is required with PRBS9 Packet payload

https://www.lairdconnect.com/wireless-

modules/bluetooth-modules

0 bytes to 63 bytes

Set Length to 0 – If a continuous [CW] TX signal is required

To start TX test press TRANSMIT

Parameter Description

PRBS9 packet payload

11110000 packet payload

10101010 packet payload

On the LE Uncoded PHYs – Vendor Specific

On the LE Coded PHY – 11111111

Figure

Figure 8

shows a TX

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