Tektronix 1910 - Page 11

Table 1-4 (cont)
Specification-1910 Operators
Performance Supplemental
I Perf. Ck.
Characteristics
Requirements Information Step. No.
COLOR MULTIPULSE
White Reference Bar
Amplitude 100 IRE ± 0.7
IRE
Rise Time
250 ns ±
25 ns
Pulse-to-Bar Ratio
1:1 ±1%
Pulse Half Amplitude
I
Duration
2T HAD
250 ns
±25 ns
12.5T HAD
1.571'5 ±150ns
Modulated Pulse
Frequencies
1st 2.379545 MHz
2nd
2.679545 MHz
3rd 2.979545 MHz HAD for all modulated pulses
is 12.5T.
4th
3.279545 MHz
5th 3.579545 MHz All pulses digitally derived
from 14.3 MHz clock.
6th 3.879545 MHz
7th 4.179545 MHz
Phase of the 5th pulse
8th
4.479545 MHz
is
327
0
•
9th 4.779545 MHz
Group Delay
10 ns
or less
31
Other Baseline
0.5 IRE
or less
Perturbations
Line Timing
See Fig. 1-2F.
SPECIAL MULTIPULSE This signal occupies two
adjacent television lines.
White Reference Bar
Amplitude 100 IRE ± 0.7
IRE
Rise Time 250 ns ±25 ns
Pulse-to-Bar Ratio
1:1 ± 1% for pulses to 5 MHz
30
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