CXL5505M/P
(4) In figure below, differential gain (DG) and differential phase (DP) are tested with a vector scope when
the 5-staircase wave is fed.
150mV
350mV
500mV
150mV
1H 64µs
Input waveform
(5) The internal clock component to the output signal during no-signal input and the leakage of that high
harmonic component are tested.
Test value
(mVp-p)
(6) S/N ratio during a 50% white video signal input shown in figure below is tested at a video noise meter, in
BPF 100kHz to 5MHz, Sub Carrier Trap mode.
Clock
175mV
325mV
150mV
1H 64µs
Input waveform
fsc (4.433619MHz) sine wave
0.3 to 1.0Vp-p
(0.5Vp-p typ.)
–4–