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Video Break Detector for a 625 line signal, monochrome or
colour, with or without sound-in-syncs. Operates a relay
if break duration exceeds 64~s, and includes attenuators
which can be operated by the relay to increase the output
UN20/532, PS2/22B. CHl/26A, pegs 36, 38. DD 1969.
DD Spec 11.81. OBSOLESCENT.
Differential Phase Detector Unit used in MN2M/5l3 to
measure differential phase on an ITS.
Sync Break Detector Unit used in UN20/528. Printed board.
DD 1969. DD Spec 11.81. ACO. WITHDRAWN.
Horizontal Registration Detector Unit used in EPlM/520.
Accepts the R, G or B signal from the camera and gives an
UN20/S33 or UN19/506. Printed board with 33 way ISEP
DD Spec 7.194.
Vertical Registration Detector Unit used
Accepts R, G or B signal from the camera and
signals and gives an error signal output.
with 33 way ISEP plug, coding 13, 21,
DD Spec 7.196. OBSOLESCENT.
23. DD 1968.
Picture Phasing Telecine Detector Unit associated with
UN3/532 for ensuring that on a pulse locked telecine the
first scanned field of each frame is that beginning with a
Originally coded UN17/52l. SCPD 1970. WITHDRAWN.
Inter-carrier Detector Unit used to feed a sync pulse to
MNl/508 from a sound and vision combined UHF signal
derived from a UHF drive source. Eddystone box for
fitting inside transmitter drive equipment. TCPD 1970.
ACO . WITHDRAWN .
Amplitude Detector Unit used in EP12M/S03 to measure
amplitude of bar, pulse, chrominance and slop.~ of bar in
Insertion Test Signal. CH1/43A. DD 1971. OBSOLESCENT.
Chrominance Luminance Delay Detector Unit used in
EQ12M/503 to detect chrominance luminance delay be
measurement of 20T pulse in Insertion Test Signal.
CHl/63. DD 1971. DDMI2.433(76). OBSOLESCENT.
Detector Unit, used in EP8L/507 and EP8L/508 to detect the
presence of data pulses on lines 16 and 329 of a
television signal waveform and to provide decoding pulses.
CHl/63. DD 1972. OBSOLESCENT.
HF Amplitude Detector Unit, used in EQ12M/503 to measure
bar amplitude, chrominance pulse and pulse shape in ITS