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AN2713 데이터시트(PDF) 38 Page - STMicroelectronics |
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AN2713 데이터시트(HTML) 38 Page - STMicroelectronics |
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38 / 40 page ![]() Software installation AN2713 38/40 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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