signal connections. DD 1961. DD Spec 9.24.
Ga ting Uni t
DD Spec 9.24.
used on UNl/507. CH1/2. Mains
E88CC, M079, 83Al, E182CC.
Sync Mixer Unit used with UN1/S06. Contains switch for
switching from normal pulses to regenerated sync pulses.
CHl/43, pegs 1, 2, 15. DD 1961. DD Spec 7.7. DDHB 7.51.
Similar to UN1/509 but is less switch and is intended for
remote operation. DD 1961. DD Spec 7.7. OBSOLESCENT.
Sync Pulse Separator used on AM18/S03 to feed signals from
UN9/5ll to GE2/504 and to delay lines mounted in UN1/5l0.
CHl/12A. DD 1961. DD Spec 8.73. ACO. OBSOLESCENT.
Colour facilities version
DD Spec 8.73. WITHDRAWN.
Signal Measuring Unit used with oscilloscopes for accurate
measurement of signal amplitude. Transistorised version
of UN2/50l with signal and calibrating waveform mixer.
Mains operated. 254mm x l78mm x l52mm. Transistors: 4
DD Spec 9.20.
Luminance Unit used in GE1/509. Produces luminance signal
from R.G. & B. inputs and adds to chrominance signal from
UN1/5l3 and passes through linear phase filter of 5.5Mc/s
bandwidth. Printed boards on CH1/12B. DD 1962.
DD Spec 8.123. DDHB 8.134. OBSOLESCENT.
Chrominance Unit used in GEl/509. Produces chrominance
information of NTSC signal from R.G. & B. signals and
ancillary signals from UN1/514 and feeds it to UN1/512.
Plug in boards for 625 or 525 line standards. CH1/12D.
DD 1962. DD Spec 8.122. DDHB 8.135. OBSOLESCENT.
Power and Sub-carrier Processing Unit. Part of GE1/S09
NTSC colour encoder. Provides power supply for encoder
and also provides processed ancillary signals used in
625 or 525 line standards using sub-carrier
4.43Mc/s or 3.58Mc/s. CH1/12B. DD 1962. DD Spec 8.100.
DDHB 8.136. OBSOLESCENT.
DD Spec 8.220.
tube mask and metal
picture impurities. DD
of tube of
Picture Sync Unit used with UN1/20 on Ampex non-intersync
Part of UN1/522. Converts the