57mm x 60mm. 1969. WITHDRAWN.
Used in PA2M/7A in the event of mains failure. Comprises
batteries and charging arrangements in association with
PS2/l05A, PA2/l05B. CHl/18E, pegs 49, 50. 1970.
DD Spec 2.335. DDTM 2.221. ACO. OBSOLESCENT.
Used in EPIM/520
400mA a.c. at 28V
to provide lA d.c. at 5.25V plus 2 x
pegs 46, 57.
Variable Frequency Power Supplier used on DRD/5. Includes
AMl/37 and OS3/5 as in PS1/27 but is modified mechanically
DD Spec 1.82.
DDTM 1.59. OBSOLESCENT.
Modified PSl/18 to supply 28V a.c. instead of l5V a.c. for
AM14/538. Part of EPl/526. Box l14mm x 89mm x 5lmm.
TCPD 1971. OBSOLESCENT.
Used to derive a variety of partially regulated supplies.
483mm x 222mm panel. 1971. OBSOLESCENT.
Variable Power Supplier for the special requirements of
the oscillator section of AM15/8 in RD4/7. Provides +24V,
300mA with a series transistor to vary output voltage from
6 to +24V. Printed board 102mm x 76mm mounted on pillars,
with separate mains transformer. 1971. OBSOLESCENT.
Power Supplier, used in AM14/526 to provide l2A d.c. at
20V from a.c. mains supply. DD 1972. OBSOLESCENT.
Power Supply Rack provides 24V d.c. regulated at 2A, and
two 2V and two 20V unregulated outputs at 5A into 3 EP8
connectors at rear. Unit uses commercial power bricks
mounted in modular form plug in units. Power requirements
240V a.c. 3A. ISEP 483mm 4U chassis (modified).
Sub-units PS2/224 and PS3/58. Superseded by PS2M/264.
SCPD 1979. OBSOLESCENT.
PS2 STABILISED POWER SUPPLIERS
(All suppliers 240V a.c. input unless otherwise stated).
Either one or two used with PS3/4 or PS3/4A. CHl/3
chassis. Inputs: 270V or 340V d.c. at up to 600mA,
approximately. 200V-250V a.c. mains supply. Output: 200V
d.c. at 600mA stabilised, isolated from earth. Used at
DD Spec 2.114.
Similar to PS2/l but output 250V d.c. at 300mA. 1959.