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Performance Verification
SPG 422 Service Manual (B034000 and above)
4–33
28. Burst Lock Jitter
≤
0.5
°
(SNR >50 dB)
a. Connect the equipment as shown in Figure 4–9.
b. Set the SPG 422 to burst lock, genlock loopthrough but do not terminate
the Genlock.
c.
Set the step attenuator to 6 dB (0 dB).
d. Set the TG 2000 BG1 and AVG1 modules to NTSC. You must set each
generator.
e.
Set the TG 2000 AVG1 module to output a 0% flat field.
f.
Display CH A on the waveform monitor.
TG 2000
Waveform Monitor/Vectorscope
SPG 422
Step Attenuator
CH A
CH B1
EXT
REF
BG1 Black Burst
Do NOT Terminate Genlock 1
Genlock 2
Black 1
AVG1 Output
Figure 4–9: Setup to check some genlock functions
Summary of Contents for SPG 422
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