GE2/581
GE2/581A
GE2/581B
GE2/582
GE2/583A
GE2/584
GE2/585
GE2/586
GE2/587
GE2/58S
GE2/589
GE2/590
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GE2
Insertion Trigger Pulse Generator fed with non standard
field and line trigger pulses from UN16/510 which it
processes to form 16 separate outputs of trigger pulses
time from the starts of line sync pulses 14 to 21 and 327
to 334 on 625 line standard. CH1/43A, pegs 1, 3, 6.
DD 1969. ACO. OBSOLESCENT.
As GE2/581 but for lines 7 to 14 and 209 to 216 on 405
line
standard.
Used
with
UN1/510A.
DD 1969.
DD Spec 11.75. OBSOLESCENT.
As GE2/581 but for lines
line standard. Used
DD Spec 11.75. OBSOLESCENT.
7 to 14 and 320 to 327 on 625
with UN16/513. DD 1969.
Line Selector and Clamp Generator used in MN2M/513 to
provide trigger pulses on certain lines and clamping
pulses from a composite video input. Includes GE2/576 and
UN16/511. CH1/43A. DD 1969. WITHDRAWN.
405 line version of GE2/583. DD 1970. CANCELLED.
PAL Square Wave Regenerator used in GE6L/513 to regenerate
a 2.4V p-p PAL square wave from the outputs of OSl/513 and
UNl/540B.
Includes
UN9/528.
Mains
operated.
CH1/12A,
pegs 22, 32. DD 1969. DD Spec 10.44. OBSOLESCENT.
Insertion Trigger Pulse Generator for lines 12 and 325, 16
and 329, 19 and 332, 20 and 333 corresponding to noise,
national data, ITS line 1, ITS line 2 respectively. Mixed
sync input. Also produces odd and even field insertion
trigger pulses. CH1/43A, pegs 1, 3, 7. DD 1969. ACO.
WITHDRAWN .
Roving Pulse Generator used in MN2M/514. Generates a
pulse which normally travels along lines 7 to 14 and 320
to 327 in the 625 line standard television field. CH1/43,
pegs
1,
2,
10.
DD 1969.
DD Spec 11.76.
ACO.
OBSOLESCENT.
Blanking Pulse Generator used to provide field blanking to
te1ecine scan generator to produce special blanking for
EP1/519. CH1/12A. DD 1969. WITHDRAWN.
Counter Drive Pulse Generator used in conjunction with
GE2/542 to provide 5 discrete pieces of information over 3
wires instead of the 2 over 4 wires provided by GE2/542
alone. CH1/18C. DD 1969. ACO. WITHDRAWN.
Keying Pulse Generator used with UN1/611 to provide keying
pulses to PA18M/520 for blanking 'BBC-2 COLOUR' on test
card F and substituting 'BBC-1 COLOUR'. CH1/26A.
DD 1969.
WITHDRAWN.
'
Keying Pulse Generator used with UN1/611 to provide keying
pulses
and
other
facilities
for
PA18M/521.
CH1/12A.
DD 1969. WITHDRAWN.

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