Tektronix 1910 - Page 14

Specification-1910 Operators
Table 1-4 (cont)
Performance
Supplemental
Perf. Ck.
Characteristics
Requirements
Information Step. No.
Chrominance Rise Time
-I
250 ns :::25 ns
a
833 ns
=80 ns
All Others
400 ns
:t 40 ns
Bar Duration
Full Field 6.5 /-,s/bar (8 bars).
SMPTE 7.5
/-,s/bar (7 bars).
Time Difference Between
20 ns or less
Luminance and
Chrominance
Residual Subcarrier
At least 52
dB below 1V White,
40
Black
Spurious Subcarrier
At least 52
dB below 1V
Other Spurious Outputs
At least 52
dB below 1 V,
41
except 40 dB for 2nd harmonic
Field Timing
FULL FIELD
241 lines per field.
COLOR BARS
BARS/Y (Full Field
Modulated bars first
181 active lines
Color Bars)
per field; unmodulated bars last 60
lines
of the field.
BARS/RED (Full Field
Same as
for BARS/Y except last 60
Color Bars)
lines
of the field are red.
SMPTE BARS
EIA Color Bars first 161 active lines
per field; Reverse Blue Bars for 20
lines; and
lyaB with Pluge for the
last 60 lines
of field.
Line Timing
FULL FIELD See Fig. 1-3B.
COLOR BARS
1-12