Tektronix 1910 - Sync and Subcarrier Specifications

Table
SYNC & SUBCARRIER
Specification-1910 Operators
Performance
I
Supplemental Perf. Ck.
Characteristics
Requirements Information
Step. No.
COMPOSITE SYNC
Amplitude
4V ±10%
P-P. negative going, into
75
Q
Rise & Fall Times
140ns ±20ns Measured from 10% to 90% ampli-
tude points.
Return Loss At least 30
dB to 3.58 MHz
53
Line Period
Nominal
(H) = 63.556/ls
1
Subcarrier X2
455
Line Sync Duration
4.7.us ± 50 ns Measured at 50% amplitude point.
Equalizer Pulse
Duration
2.3,us ± 50 ns Measured at 50% amplitude point.
Sequence Duration
Three lines each.
Vertical Sync Pulse
Serration 4.7
,us ± 50 ns
Sequence Duration
Three lines.
Field Period 262.5 H Lines
16.6835 ms nominal.
SUBCARRIER
Amplitude 2V
pop ±10% Into 75 n.
Return Loss At least 30 dB into 5 MHz
53
Frequency
Locked
to incoming burst. 25
If burst is not present, locked to
leading edge
of incoming sync. If
I
sync is not present, determined by
an internal oven-controlled
oscillator.
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