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Performance Verification
5–2
VITS100 NTSC VITS Inserter Instruction Manual
Equipment Required
Table 5–1 lists the test equipment recommended for Performance Verification.
Alternate equipment must meet the minimum requirements for the listed
equipment. Use of inadequate test equipment may result in faulty measurements
and invalid results.
Table 5–1: Equipment Required
Item Requirements Example
Variable Autotransformer Variable range of 90 to 120 VAC (220 V
operation use 220 VAC autotransformer)
General Radio metered auto transformer:
W10MT3W.
Video Measurement Set Waveform storage and automatic waveform
comparison
Tektronix VM 700A, Option 01
Waveform/Vector Monitor Combination waveform monitor and
vectorscope capable of displaying line-rate
and field-rate signals
Tektronix 1780R Video Measurement Set
Television Test Signal Generator NTC7 Composite, Flat Field, Multiburst,
and Red Field signals
Tektronix TSG-170A NTSC Television
Generator
Television Test Signal Generator/Sync
Pulse Generator (TSG/SPG)
Variable burst amplitude and frequency and
high frequency multiburst signal
—
Spectrum Analyzer 1 MHz to 50 MHz with a frequency span of
1 MHz/div to 10 MHz/div and 30 kHz
resolution, and internal tracking generator
Tektronix 2712 Spectrum Analyzer with
Tracking Generator Option 04
75 W Return Loss Bridge 50 dB return loss balanced bridge, 50 kHz
to 5 MHz frequency range
Wide Band Engineering A57TLSCR with
A56T75B (75 W terminator)
Test Oscilloscope Vertical amplifier bandwidth of 40 MHz,
1 mV sensitivity, and 0.25% accuracy.
Horizontal time base of 5 msec/div to
2 msec/div and external triggering.
Tektronix TAS465
Oscilloscope 10X Probe Tektronix P6137 10X Probe
Frequency Counter Measure frequencies up to 30 MHz ECL
levels, with 10 Hz accuracy at 28.6 MHz
Tegam DC503A a Universal Counter/Timer
Peak-to-Peak Detector and Detector Head Amplitude of up to 1 V
p-p
and a flatness of
+0.2% from 50 kHz to 10 MHz
Tektronix part number 015-0408-00
Video Noise Generator White noise on composite video, signal-to-
noise ratio of at least 28 dB, Hum noise on
composite video with a 0 dB signal-to-noise
ratio, 1 dB steps with DC coupling, 75 W
impedance, and flat response to 5.5 MHz.
—
Multimeter Accuracy of +0.7% to measure 0–20 VDC. Tektronix DM252
Power Module Power supply for Frequency Counter,
Peak-to-Peak Detector, video noise
generator, and Multimeter
Tegam TM506A Power Module Mainframe
75 W End-Line Terminators (two) 0.25% Accuracy Tektronix part number 011-0102-01