Tektronix 1910 - Page 24

Specification-1910 Operators
Table 1-4
(cont)
Performance
Supplemental Perf. Ck.
Characteristics
Requirements
Information Step. No.
CONVERGENCE
Peak Level
77.0 IRE
± 1 IRE
Crosshatch
Vertical Lines
Number of Un-
17 per active line
blanked Pulses
Pulse Polarity Positive
Line Pulse HAD 225 ns
±25 ns
Dot Pulse HAD 350 ns
±35 ns
Crosshatch
Horizontal Lines
Number of Un- 14 per frame
blanked Pulses
Pulse Polarity Positive
Line Pulse Rise Time
140 ns ± 15 ns
Line Pulse Duration 2 lines
(1 line on each field)
Dot Pulse 3 lines
(1 line on one field and 2 lines
on the other field)
EYE TEST PATTERN This signal occupies two adjacent
television lines. The second line is
of
opposite phase.
Amplitude 68 IRE
High=70 IRE, Low=2 IRE
Rise & Fall Times
100 ns ± 25 ns Sine-squared shape.
Bit Period 174.6 ns/bit 5.727272
MHz bit rate.
Bit Sequence 16 cycles at 2.86 MHz
8 cycles at 1.43 MHz
5 cycles
at 954 kHz
4 cycles at 716 kHz
4 cycles at 573 kHz
3 cycles at 477 kHz
2 cycles
at 409 kHz
2 cycles at 358 kHz
1 cycle
at 716 kHz
1 cycle
at 954 kHz
2 cycles at 1.43 MHz
2 cycles at 2.86 MHz
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