UN10
UN10/2l
UN10/22
UNll/l
UNll/2
UNll/3
UNll/4
UNll/5,5A
UNll/6A-E
UNll/7
UNll/50l
- 390 -
distributions. Printed circuit board
SCPD 1972. OBSOLESCENT.
90mm x 200mm.
Local Extension Answer Telephone Unit for use in
television studio T.M. telephone panel in conjunction with
UNlO/20 and UNlO/22. Provides answering buttons and
ringing detectors for five local extensions. Printed
circuit board 90mm x 200mm. SCPD 1972. OBSOLESCENT.
Local Extension Ring Telephone Unit for use in television
studio T.M. telephone panel in conjunction with UNlO/20
and
UN10/2l.
Provides
ring
buttons
for
five
local
extensions. Printed circuit board, 90mm x 200mm.
SCPD 1972. OBSOLESCENT.
UNll TRANSFORMER UNITS
Transformer Unit used to feed up to two mono sources
equally to the two channels of a stereo system. Includes
2 AM9/8. Chassis l65mm x l78mm for mounting inside a
desk. DD 1966. DD Spec 3.452. OBSOLESCENT.
Matching Transformer Unit used in PAlM/57. Includes 10dB
attenuator and matching transformers for input and output
of FL2/7. CHl/48C, pegs 11, 41. DD 1967/70. WITHDRAWN.
Telecine Transformer Unit for Television Centre News
Telecine machines and remote desks. Contains sound chain
resistors and transformers. CHl/44. DD 1967/70.
WITHDRAWN.
Transformer Unit used on Cardiff-Wenvoe remote switching
system to convert from 4 wire to 2 wire circuit. CHl/18.
DD 1967/70. WITHDRAWN.
Transformer Units comprising 1
in CSl/2. Suffix A = 2 LL/76M.
or 2 'M' size transformers
DD 1967/70. W THDRAWN.
Transformer Units comprising 1 or 2 'A' size transformers
in CSl/l. A = 1 LF/7IA, B = 2 LG/7IA, C = 2 LG/63A, D = 2
LG/72A, E = 2 LL/88A. DD 1967/70. WITHDRAWN.
Line Holding Transformer Unit,
lines and PA8/35l to facilitate
without loss of call. CHl/18C.
OBSOLESCENT.
used between PO telephone
over plugging switching
TS(R). DD 1971. ACO.
Used in Mechau flying spot equipment to match output
impedance of optical sound track photocell to GPA/4A input
impedance. TVX.6. DD 1963. OBSOLESCENT.

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