Adjustment procedures
SDI output amplitude
adjustment table
Table 7: SDI output amplitude
Characterization
DMM Measurement
(typically 0.2880 V)
Oscilloscope Cycle RMS
(typically 116 mV)
Oscilloscope Cycle Mean
(typically 1 mV)
Sine wave RMS amplitude
(typically 116 mV)
Attenuation Factor
Adjustment Record
SDI 1A amplitude
Measured value (μ)
with attenuation
SDI 1B amplitude
Measured value (μ)
with attenuation
SDI 2A amplitude
Measured value (μ)
with attenuation
SDI 2B amplitude
Measured value (μ)
with attenuation
32
Print this table for use during the adjustment procedure.
Minimum
— —
— —
— —
2.35
Minimum
Before adjustment
776 mV
776 mV
776 mV
776 mV
SPG8000A Master Sync / Clock Reference Generator Service Manual
Value
Value
After adjustment
Maximum
— —
— —
— —
— —
2.55
Maximum
824 mV
824 mV
824 mV
824 mV