Specifications

DTT 7685x
SBU Technology – Tuners ATSC half NIM with Ch 3 / 4 modulator
20 Apr 2007
Preliminary Specification Page 18 / 29
10.3 Cold Test
• Measure the DUTs at room temperature
• Load the DUTs into chamber of the following conditions:
Temperature = - 20 ± 5°C
Period = 500 hrs
Cycle = constantly on
Quantity = 10 pcs
• Warm up for 2 hrs at room temperature, then measured the DUTs within 1 hr
10.4 Thermal Shock
• Measure the DUTs at room temperature
• Load the DUTs into chamber of the following conditions:
Temperature = - 25 °C for 60 min
↓ ↑
85 °C for 60 min
Period = 200 cycles
Power = power off
Quantity = 10 pcs
• Cool-down 0.5 hr at room temperature then measured the DUTs within 1 hr
10.5 Temperature Cycle Test
• Measure the DUTs at room temperature
• Load the DUTs into chamber of the following conditions:
Temperature = -5 °C for 16 hrs then 60 °C for 8 hrs
Period = 500 hrs
Cycle = constantly on
Quantity = 10 pcs
• Cool down 0.5 hr at room temperature, then measured the DUTs within 1hr