Ebyte E104-BT51, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co.,Ltd. E104-BT51 User Manual
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
9-43
the lower the transmitting power is.

The use of the antenna and the module is poorly matched or the quality of the antenna itself is defective.
10.2 Module is easy to damage

Please check the power supply and ensure it is within the recommended range. Voltage higher than the peak will
lead to a permanent damage to the module.

Please check the stability of power supply and ensure the voltage not to fluctuate too much.

Please make sure anti-static measures are taken when installing and using, high frequency devices have electrostatic
susceptibility.

Please ensure the humidity is within limited range for some parts are sensitive to humidity.

Please avoid using modules under too high or too low temperature.
10.3 Bit error rate is too high

When there are co-channel signal interference nearby, be away from interference sources or modify frequency and
channel to avoid interference;

Unfavorable power supply may cause code error. Make sure that the power supply is reliable.

The quality of extension cables and feeders is poor or too long can also cause high bit error rate.
11. Welding operation guidance
11.1 Reflow Soldering Temperature
Profile Feature Curve feature Sn-Pb Assembly Pb-Free Assembly
Solder Paste Solder paste Sn63/Pb37 Sn96.5/Ag3/Cu0.5
Preheat Temperature min
（
Tsmin
）
Minimum preheating
temperature
100
℃
150
℃
Preheat temperature max (Tsmax)
Maximum preheating
temperature
150
℃
200
℃
Preheat Time (Tsmin to Tsmax)(ts) Preheating time 60-120 sec 60-120 sec
Average ramp-up rate(Tsmax to Tp) Average rising rate 3
℃
/second max 3
℃
/second max