UNl
UNl/115
UNl/116
UNl/118
UNl/119
UNl/120
UNl/12l
UNl/122A,B
UNl/124
UNl/125
UNl/126
UNl/127
348
output from one of two
attenuated and separated
transmitters. CHl/12A.
OBSOLESCENT.
OS2/35 and
outputs for
DD 1969.
provide a number of
distribution to FM
DD Spec 5.163. ACO.
Sending Channel Unit used in place of UNl/75 in EP2M/l
when a complete channel of 2.6kHz bandwidth is transmitted
without deriving a telegraph channel. CHl/18A, pegs as
UNl/75. DD 1969. DD Spec 2.292. OBSOLESCENT.
Receiving Channel Unit used in place of UNl/76 in EP2M/l
when a complete channel of 2.6kHz bandwidth is transmitted
without deriving a telegraph channel. CHl/18C, pegs as
UNl/76. DD 1969. DD Spec 2.293. OBSOLESCENT.
Intercom Unit used in Telecine Area Control Desks at
Television
Centre.
Comprises
2
AMI/7,
4
S-size
transformers and 3 5 way tag blocks in CHl/44. DD 1969.
WITHDRAWN.
Indicator Unit used to indicate and switch in accordance
with 2700Hz command signal sent by UNlM/65D. Used on
PA6M/58. CHl/18C. DD 1969. WITHDRAWN.
Condenser Microphone Regulator Unit with 2 current
stabilised l.t. supplies to enable 2 mono microphones to
be plugged to a stereo microphone point. CHl/18C.
SCPD 1969. OBSOLESCENT.
Mains Extension Cable consisting of a 406mm extension lead
fitted with a mofidied 4 pin Painton miniature plug and
socket. Used with CH1A/l for testing equipment having a 4
pin mains connector in addition to the usual 15 way
connector.
DD 1969.
DD Spec 8.368.
EDI l002lAUG69.
OBSOLESCENT.
25 way Connector Mounting for fan-out and mounting for
ISEP 25 way connectors on CHI/53. Includes terminal point
but not connectors. Printed board. A = left hand; B
right hand. DD 1969. WITHDRAWN.
Voltage Divider Unit used to provide l2V and l5V 'rom 24V.
Incorporates ralay to switch over to battery if mains
fail. Printed board with plug. DD 1969. DD Spec 2.304.
DDHB 2.184. OBSOLESCENT.
UHF Aerial Unit for use as a receiving aerial with side
and back lobe suppression, almost constant gain and good
impedance match over channels 21 to 68 of the UHF band.
Constructed from aluminium alloy rods and tubes. DD 1969.
WITHDRAWN.
Filter and
UN1/63 and
OBSOLETE.
Termination
FL4/44 in
Unit combining the functions of
one
chassis.
CH1/18E.
DD 1970.
Automatic Fault Reporter Service Unit used in PA2M/7A to
facilitate easy servicing and operation. CHl/18C, pegs

48