UN19
UN19/506
UN19/507
402 -
output waveform. CH1/46A, pegs 23,
DD Spec 9.110. OBSOLESCENT.
36.
DD 1968.
Horizontal Registration Luminance Unit used in EPlM/520 to
accept the luminance video signal from the camera and
produce 2 differentiated signals to drive UN20/533.
Printed board with 33 way ISEP plug, coding 9, 19, 21.
DD 1969. DD Spec 7.198. OBSOLESCENT.
Vertical Registration Luminance Unit used in EPlM/520 to
process the luminance video signal to give 2
differentiated signals for driving UN20/534. Printed
board with 33 way ISEP plug, coding 9, 11, 31. DD 1969.
DD Spec 7.195. OBSOLESCENT.
==_=====c=_=c_==_c=__=_===c====~==========================================
UN19 Sub Group not available for new designs. DD 1977.
UN20/1
UN20/2
UN20/3
UN20/4
UN20/4E
UN20/5
UN20/6
UN20/7
UN20/8
UN20 DETECTOR UNITS
Unit, Detector, Voice Frequency used with AM1/13.
frequency. CH1/18C. DD 1965. WITHDRAWN.
Dual
Digital Detector Unit used to compare two digital signals
and to detect disparity between them. CH1/26B, pegs 18,
23. DD 1965. DD Spec 5.120. ACO. OBSOLESCENT.
Detector Unit used
remote control of
WITHDRAWN .
on PAlM/50 as a tuned receiver for the
a radio set. CH1/18E. DD 1965.
Tone Detector Unit (2100c/s) used in PAlM/51.
DD 1965. WITHDRAWN.
CH1/18C.
As UN20/4 but for 10.5kHz. DD 1970. WITHDRAWN.
Input Change Detector Unit which accepts to 6 inputs from
transmitter monitoring equipment and produ,es a d.c.
output signal when any input changes state. This output
signal is normally fed to UN14/4. Printed board.
DD 1966. DD Spec 2.266. ACO. OBSOLESCENT.
Telephone Ringing Detector Unit. Comprises two small reed
ra1ays and associated components mounted on a 95.3mm x
51mm printed board attached to the rear of a miniature
lever key. 51mm x 19mm x 140mm. SCPD 1967. OBSOLESCENT.
FM Translator Detector Unit
stations with EP7/1X. DD 1967.
used a t low
WITHDRAWN.
power
relay
Tone Detector Unit used in PAlM/57 to operate a relay on
receipt of two tones of 167.9Hz and 186.2Hz. CH1/18C,
pegs 12, 43. DD 1967. WITHDRAWN.

102