參數(shù)資料
型號: 30770
廠商: Dresden Elektronik
文件頁數(shù): 36/74頁
文件大?。?/td> 2001K
描述: SET DERFNODE FOR AVR HOUSING
標準包裝: 1
User Manual
Version 1.1
2011-07-15
 
  deRFnode and deRFgateway
 
 
 
 
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
12 7 Dr
n
rm  n
Tel.: +49 351  31 85 00
Fax: +49 351  3 18 50 10
wireless@dresden-elektronik.de
www. r
n- l k r nik.
Page 36 of 56
 
 
Figure 26: Supervisor LTC2935ITS8-1 with configuration resistors for deRFgateway
 
8.7.    Current measurement
For current consumption tests of the radio module it is possible to place an ampere-meter on
jumper [JP5].
 
 
Figure 27: Current measurement for radio module
 
8.8.    USB supply voltage monitoring
The monitoring of the USB power supply can be used as USB detection. The USB voltage
can be detected over a voltage divider on Pin 36.
 
USB detection:
Pin 36
 
Figure 28: USB supply voltage monitoring
 
 
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