GE2/560
GE2/56l
GE2/56lA
GE2/562
GE2/564A
GE2/564B
GE2/565A,565B
GE2/566
GE2/567
GE2/568
GE2/569
GE2/570
- 161 -
GE2
Recording Feed Identification Pulse Generator used to
identify the recording feed output of a transcoder which
has a non-standard subcarrier frequency. Produces a
series of pulses for adding to a video signal during the
field period. CHl/12A. DD 1967. WITHDRAWN.
Pulse Timing and AuxilIary Waveform Generator
GE2M/559. Includes GE2/562. CHl/46A, peg 2.
DD Spec 9.95. ACO. OBSOLESCENT.
used in
DD 1967.
Modified GE2/56l to give luminance pulse position
adjustment. CHl/46A. DD 1970. OBSOLESCENT.
Pulse Timing Generator used in GE2/56l. Printed circuit
board. DD 1967. DD Spec 9.93. ACO. OBSOLESCENT.
Erase Pulse Generator used to generate erase pulses and
black level clamping pulses. Includes power supply for
AMl/533. CHl/12A, pegs 17, 34. DD 1968. DD Spec 7.142.
ACO. OBSOLESCENT.
Erase Pulse Generator used in C06/50lA to generate black
level clamping pulses from mixed syncs and a shift
register pulse to feed UN14/506. Includes PS2/22C for
AMl/533 and output switch unit UN9/559. CHl/l2A, pegs 12,
34. DD 1968. DD Spec 7.142. OBSOLESCENT.
Waveform Timing Pulse Generators used in GE6M/509 and
GE4M/540 respectively. Provide 8 separate delayed trigger
pulses pased on discrete 2~s intervals. CHl/12A, pegs 21,
34. DD 1968. DD Spec 9.107. DDHB 9.96. OBSOLESCENT.
Switching Pulse Generator used in
field rate switching waveforms.
WITHDRAWN.
C06/504 to
CHl/46A.
generate
DD 1968.
Caption Pulse Generator for operating a split screen
switch for video signals by gating at an adjustable level.
Includes a variable 'black edge' facility, produces
clipped 'infill' information and can simultaneously route
other inputs to the split screen switch. Mains operated.
CHl/46A. DD 1968. DD Spec 8.375. OBSOLESCENT.
Box Effects Pulse Generator for
switch to produce a box effect,
being independently variable.
pegs 51, 52. DD 1968. DD Spec
operating a split screen
the position of each side
Mains operated. CHl/46A,
8.352. EDI. OBSOLESCENT.
Line Modulator Pulse Generator for adjusting field drive
pulses by up to half a field in each direction. Power
obtainable from GE2/569. CHI/53, pegs 1, 2, 8. DD 1968.
DD Spec 8.343. EDI. OBSOLESCENT.
Field Modulator Pulse Generator for adjusting field drive
pulses by up to half a field in each direction. Power
obtainable from GE2/569. CHI/53, pegs 1, 2, 8. DD 1968.
DD Spec 8.334. OBSOLESCENT.

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