Adeunis RF Arf19, Руководство пользователя, Страница: 9 / 11

A
RF19
User Guide
Ref. 05-11-V3-pcy p. 9
N
OTE
• Plugged mounting needs a 1.6mm fence in the motherboard.
Electrical connections are made by simple manual or wave soldering on
the soldering face of MB.
• Radio module has to be powered using an external power
supply connected between VCC and GND. Operating voltage has to be
in the 2.2 – 5V range.
•
Power is trigged using the PWRDN pin :
- PWRDN = ″ 1 ″ → Receiver off.
- PWRDN = ″ 0 ″ → Receiver on.
A
TTENTION
If using a pull down resistor on PWRDN, its value has to be less than
220 Ohms!
If the receiver stand-by mode is activated immediately after powering
up the equipment, please use timings below (for good receiver IC
internal Reset).
>520ms
VCC
PWRDN