Specifications

DTT 7685x
SBU Technology – Tuners ATSC half NIM with Ch 3 / 4 modulator
20 Apr 2007
Preliminary Specification Page 17 / 29
10. Reliability Test Procedure & Conditions
Note: Room temperature = 25 °C ± 2 °C
10.1 Heat Load Test
• Measure the DUTs at room temperature
• Load the DUTs into chamber of the following conditions:
Temperature = 60 °C
Period = 500 hrs
Cycle = 1.5 hrs on; 0.5 hrs off
Quantity = 10 pcs
• Cool-down 0.5 hr at room temperature, then measured the DUTs within 1 hr
• The test shall be continued to 1000 cycles for information only
10.2 Humidity Load Test
• Measure the DUTs at room temperature
• Load the DUTs into chamber of the following conditions:
Temperature = 40 ± 5 °C
Period = 24 hrs
Cycle = constantly on
Quantity = 20 pcs
• Cool-down 0.5 hr at room temperature, then measured the DUTs within 1 hr
• Load the DUTs again into chamber of the following conditions:
Temperature = 40 ± 5 °C
Humidity = 90 to 95 %
Period = 500 hrs
Cycle = 1.5 hrs on; 0.5 hrs off
Quantity = 20 pcs
• Cool down 0.5 hr at room temperature, then measured the DUTs within 1 hr