Specification-1910
Operators
Table
1·6
(cont)
Performance Supplemental Perf.
Ck.
Characteristics
Requirements Information
Step. No.
Pulse Outputs'
I
H DRIVE, V DRIVE, BURST FLAG, &
COMP BLANKING
!
Amplitude
!
4V ±10% p-p, negative going, into
75
n
Rise & Fall Times 140 ns :::20 ns Measured from 10% to 90% ampli-
tude points.
Return Loss At least
30
dB to 5 MHz
Timing
H DRIVE Duration
Start
of
line blanking to end of 52
line sync
:::
100 ns
V DRIVE Duration Nine lines Coincident with beginning
of
field.
52
Blanking extends nine lines.
BURST FLAG
5.3
/is ± 100 ns
!
Delay from Line 52
Sync
I
Duration
I
2.5/is
9 cycles
of
subcarrier. 52
COMP BLANKING
Line Blanking
11.1
/is ±1
00
ns
52
Duration
Front Porch
1.5
/is
:::
1
00
ns
Leading edge
of
camp sync
to
end
52
of
line blanking is 9.6
J1.S
±
100
ns.
Field Blanking
Field 1
=
21
lines 52
Duration
Field 2
=
21
lines
Start: 1.5
J1.S
± 100 ns before lead-
ing edge of first equalizing pulse.
"Available
when
the
Pulse
Output
board, A15 (a
standard
accessory),
is
installed
in
place
of
the
External VITS
board,
A17.
1-34
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