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3–8
VITS100 NTSC VITS Inserter Instruction Manual
Table 3–14: Cable Sweep (Option 2) characteristics
Characteristic Information
Timing See Figure 3–14
Pedestal Amplitude 50 IRE
Sweep Amplitude 100 IRE
Sweep Start Frequency 0.1 MHz
Sweep End Frequency 4.2 MHz
Table 3–15: Genlock characteristics
Characteristic Information
Burst Lock
Genlock Phase Change with Input
Amplitude
≤2° burst phase change for input sync or burst amplitude range of 287mV ±3 dB
≤4° burst phase change for amplitude range of 287mV ±6dB
(For either composite video or burst amplitude errors)
Genlock Phase Change with Input
Signal APL
≤1° burst phase change over 10% to 90% APL
Genlock Phase Change with Input
Signal Burst Frequency
≤1° burst phase change for ±20 Hz change in incoming subcarrier
Lock Range
Frequency, Standard 3.579545 MHz ±20 Hz (NTSC)
Fequency, Option 1M 3.575611 MHz ±20 Hz (PAL-M)
Amplitude +6 dB to –12 dB (Typically to –16 dB NTSC; –14 dB PAL-M)
Genlock Phase Jitter with Input Amplitude
Change
Typically ≤0.2° peak for input sync or burst amplitude range of 287 mV ±3dB; no noise
on input signal
Typically ≤0.4° peak for input amplitude range of 287 mV ±6 dB; no noise on input signal
Sync Lock Jitter ≤10 ns for input sync amplitude range of 287 mV ±3 dB (No noise on input signal)
Noise Performance Locks to 28 dB S/N Ratio Video