Tektronix PSC1125, Instruction Manual

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PSC 1125 Digital Television Parallel-to-Serial Converter Instruction Manual
4-1
Performance Verification
This section describes the operation tests and gives the procedures for those tests.
Before Running the Tests
Before running the performance tests, perform the following steps:
1. Allow a 20 minute warm-up period for all the instruments.
2. Adjust the internal voltage. Refer to Adjustment Procedures on page 6–1.
3. Calibrate external equipment needed for these performance tests.
Required Equipment
Table 4–1 lists the equipment required for the performance tests. To assure
proper operation of your converter, your TSG1001 Multi-format Test Signal
Generator must have a serial number of B040000 or above, or it must be
upgraded to the B040000 level with the field upgrade kit part number
040-1526-00.
Table 4-1: Required equipment
Item Qty. Required precision Recommended equipment Purpose
Digital TV signal generator 1 Latest modification must be
installed.
Tektronix TSG1001 Multi format
Test Signal Generator
Signal source
Digital TV waveform moniĆ
tor
1 Tektronix WFM1125 Digital TV
Waveform Monitor Option 0C
Waveform monitor
Digital audio monitor 1 Tektronix 764 or equivalent To observe digital audio
output
Sampling oscilloscope 1 Tektronix 11801C or equivalent,
sampling head(SDĆ24 orĆ26)
To observe eye pattern
75ĆtoĆ50 W minimumĆloss
pad
2 Minimum loss Tektronix part no. 011Ć0057Ć01 Signal interconnection
50 W BNC to SMA adapter 2 Tektronix part no. 015Ć1018Ć00 Signal interconnection
50 W coaxial cable 2 Low loss
Tektronix part no. 012Ć0432Ć00
Signal interconnection
75 W coaxial cable 4 Serial digital video cable less
than 1 m in length
Signal interconnection
75 W terminator 2 Tektronix part no. 011Ć0Ć02Ć00 Signal interconnection