How do I use SRU_BT to have TX carrier power output in regulation tests for the MSD40NBT/SSD40NBT in the WINCE/WM platform?

Answer

To have BT TX carrier power output for the MSD40NBT/SSD40NBT, use SRU_BT and run HCI command as follows and to have unmodulated signal, set the mode as 0 as below:

HCI Command:

14 FC 07 00 02 01 00 08 04 00

HCI Command

Type

Description

14 FC

Opcode

0xFC14 (64532, "Set_Tx_Carrier_Frequency_ARM")

07

00

Carrier Enable

0x0 (0, "Carrier on")

02

Channel

0x02 (2), 41 (0x29), 80 (0x50)

01

Mode

0x0

0, unmodulated

0x1

PRBS9

00

Modulation Type

0: GPSK

1: QPSK

2: 8PSK

08

Transmit Power

0x8 - 8, specify power in dBm

04

Transmit Power dBm

4 dBm

00