Tektronix WFM 601A, Service Manual

Page: 30 / 368

Specifications
WFM 601A, WFM 601E, & WFM 601M Service Manual
1–9
Table 1–1: Electrical specifications (cont.)
Characteristic Reference information Performance requirement
Lightning and Diamond Mode
Vertical Gain Accuracy
$
2%
Electronic Graticule Display
Diamond GBR Deflection axis indicated
Lightning Y is displayed vertically
P
B
is displayed horizontally on top half of display.
P
R
is displayed horizontally on bottom half of
display.
RGB Gamut Error Indication
Detection Level Positive detection level = 735 mV
"
7 mV (nominally 105% of legal
RGB)
Negative Detection level = –35 mV
"
7 mV
Arrowhead Mode (NTSC/PAL Composite
Limit Display Mode)
Signal to Graticule Registration Color bar black is positioned in the center of
7.5 IRE box within
v
.25 box width.
Signal to Graticule Accuracy
(PAL values in parenthesis)
"
2 IRE, 100 IRE and 131 IRE
(
"
2, 700 mV)
Composite Limit Cursor Accuracy
(PAL values in parenthesis)
"
2% at 100, 110, 120, 131 IRE (700 and 950 mV)
Composite Limit Detection Level
Accuracy (PAL values in parenthesis)
Detection level = 102%
"
3% of
cursor level
Detection level can be set to 100, 110, 120, or 131
IRE (700 or 950 mV PAL)
Bowtie Mode
Common Mode Rejection Ratio
w
34 dB at 2.5 MHz
Accuracy
$
3%
Interchannel Timing Match
$
2.0 ns
Picture Monitor Outputs
Signal Format EBU/N10 or RGB, menu selectable
Active Video Accuracy
700 mV
$
1% peak-to-peak
(Y-P
B
-P
R
mode)
Typically <
"
2% for RGB mode
Black (Blanking) Output Level
(WFM 601M)
0 mV
"
35 mV
Frequency Response
(WFM 601M)
Y to 5.75 MHz:
$
1%
P
B
and P
R
to 2.75 MHz:
$
1%
Non-Linearity (WFM 601M)
v
0.5%