UN14
UN14/3
UN14/4
UN14/5
UN14/5A
UN14/6
UN14/7
UN14/8
UN14/9
UN14/50l
UN14/502
UN14/503A
-392
Delay Unit providing an adjustable delay of 1-200 seconds
from instant of switch on. Standard 50V output to operate
relays
etc.
Plug
in
card
63mm
x
76mm.
DD 1965.
DD Spec 7.106. DDTM 7.107. OBSOLESCENT.
Input Logic Delay Unit which accepts a signal from anyone
of a number of UN20/5 and after a variable delay of up to
20 minutes generates a chain of trigger pulses to feed
UN3/l2.
Printed
board.
DD 1966.
DD Spec 2.265.
ACO.
OBSOLESCENT.
Adjustable Delay Unit for delaying the operation of a
push-button selected 50V relay until the previous
selection has released. Is connected in series with the
common feed to the push buttons. Printed board occupying
the space of 4 relays on CHl/44. DD 1968. WITHDRAWN.
Adjustable Delay Unit for delaying the operation of a push
button selected 50V relay until a previous selection has
released. Printed circuit board, occupying the space of 4
relays on CHl/44. SCPD 1969. OBSOLESCENT.
Delay Unit used in RP4/4 to display a flashing lamp after,
say 25 seconds has elapsed from the start of reproduction
of an "effect". Printed circuit board. DD 1968.
DD Spec 1.61. OBSOLESCENT.
Resetting
executive
monitors,
of fault
WITHDRAWN .
Delay Unit used in UNl/99 for alarm and
switching on fault detection in automatic
and resetting 15 minutes after the last incident
detection. Printed board. DD 1968. ACO.
Telephone Throwback Delay Unit used in PA8/308 in
conjunction with UN20/l8 to carry out EMX throwback
switching after an interval of 30 seconds following
receipt of 17Hz ringing. Also controls switching of cue
programme fed through AM4/8. First used Broadcasting
House London Continuity Suites. Printed circuit board.
DD 1969. DD Spec 3.483. ACO. OBSOLESCENT.
Delay Unit, used with AM6/ll.
DDMI 3.547. OBSOLESCENT.
CHl/18C.
DD 1972.
Delay Unit used to provide the complex conjugate of a
given vector and to delay this by one line duration used
in the Bruch Corrector. CHl/12A. DD 1966. WITHDRAWN.
Delay Unit used in EP5M/506 etc., to delay, amplify and
invert standard burst gate pulses for use by a burst
locked oscillator. Includes PS2/22B. CHl/l2A, pegs 9,
31. DD 1966. DD Spec 10.19. ACO. OBSOLESCENT.
Delay Unit, 63.85~s giving a full video bandwidth delay of
one television line. Handles a IV 75~ signal at input and
output. CH1/l2A, pegs 15, 31. DD 1967. DD Spec 7.129.
DDTM 7.141. OBSOLESCENT.

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