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AN2713 Arkusz danych(PDF) 38 Page - STMicroelectronics

Numer części AN2713
Szczegółowy opis  LNB power supply based on the LNBH23 supply
PDF  40 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2713 Arkusz danych(HTML) 38 Page - STMicroelectronics

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Software installation
AN2713
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Doc ID 14431 Rev 1
The AUX bit can be set high to force the LNBH23 output voltage to the highest voltage on
the line (22 V typ.) during the minimum current diagnostic phase, in order to detect the
output load and check the dish status or any optional devices inserted on the line.
The maximum current detected at ITEST=0 is 6 mA, while at ITEST=1 it is 12 mA.
During the minimum diagnostic current test, setting only EN=ITEST=AUX=1 is
recommended. The screenshot in Figure 38 shows the following conditions:
●
EN=1, AUX=1
●
Vout=22 V (for testing multiswitch-box dish connection)
Figure 38.
AUX activation



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