Atec Tektronix-WVR500 - Manual (Page 8)

Specifications
WVR500 Waveform/Vector Monitor Service Manual 1–7
Table 1–5: Vector mode
Category Description
Chrominance Processing Req: Chrominance Bandwidth:
Upper –3 dB Point: F
SC
+500 kHz,
±
100 kHz.
Lower –3 dB Point: F
SC
–500 kHz,
±
100 kHz.
RI: Nominal Subcarrier Frequency (F
SC
)
NTSC: 3.579545 MHz.
PAL: 4.43361875 MHz.
RI: +V Mode (Applicable to PAL operation only): +V-type display as selected by
front-panel menu selection. When selected, V axis is inverted at a half
line-rate to produce a single vector display.
Display RI: Vector Phase Accuracy:
±
1.25
°. Measured with color bar signal.
RI: Vector Gain Stability: Typically
±
2.5%.
RI: Quadrature Phasing: Typically
±
0.5
°.
Subcarrier Regenerator Req: Pull-In Range
NTSC:
±
50 Hz of F
SC
.
PAL:
±
10 Hz of F
SC
.
RI: Subcarrier Regenerator free runs in absence of appropriate signal. Reference
can be burst of either the displayed signal or the external reference signal.
RI: Pull-In Time: Within 1 second, with subcarrier frequency within 50 Hz (10 Hz
for PAL) of F
SC
.
Req: Phase Shift with Subcarrier Frequency Change:
NTSC:
±
2
°
from F
SC
to (F
SC
+50 Hz), or F
SC
to (F
SC
– 50 Hz).
PAL:
±
2
°
from F
SC
to (F
SC
+10 Hz), or F
SC
to (F
SC
– 10 Hz).
Req: Phase Shift with Burst Amplitude Change:
±
2
_ from nominal burst amplitude to
±
6 dB.
RI: Internal or External burst reference.
Req: Phase Shift with Input Channel Change:
±
0.5 _.
RI: With EXT REF selected.
Req: Phase Shift with Variable Gain Control:
±
1 _as gain is varied from +3 dB to –6 dB.
RI: Phase Control Range: 360 _ continuous rotation.
Req: Burst Jitter: 0.5 _ rms or less.
RI: With 140 IRE (1 V PAL) composite video input. Internal or external
referenced.
Display Characteristics RI: Differential Phase:
±
1 _.
RI: Differential Gain:
±
1%.
RI: Measured with 140 IRE (1 V PAL) linearity signal (5-step, 10-step, or Ramp)
with 40 IRE (300 mV PAL) of subcarrier.