PS2
PS2/47
PS2/48
PS2/50
PS2/51
PS2/52
PS2/53
PS2/54
PS2/55
PS2/56A-Q
PS2/57
PS2/57A
PS2/58
PS2/59
PS2/60A-E
- 312 -
+0.39V d.c. at 40mA;
d.c. at 100mA; (f) 1V
pegs 21, 30. DD 1965.
(d) -0.133V d.c. at 40mA; (e) -4V
r.m.s. 50Hz unstabi1ised. CH1/12A,
DD Spec 11.15. OBSOLESCENT.
Similar to PS2/13F but for 110V mains input. Used on
Amp ex
machines.
Superseded
by
PS2/108.
DD 1966.
DD Spec 7.164. OBSOLESCENT.
Supplies 200mA at +12V d.c. and 200mA at -12V d.c.
a.c. mains or from two standby 12V batteries,
facilities for re-charging the batteries. CH1/12A,
2,11. 1966. DD Spec 9.57. ACO. OBSOLESCENT.
from
with
pegs
Modified PS2/37 to supply 24V, 1.SA stabilised and l2V
80mA stabilised. Used on MN2M/S06. CH1/l2B, pegs 2, 33.
1966. DD Spec 5.104. ACO. OBSOLESCENT.
Used on MD2M/S05 but fitted in AT2M/9. Output: l5V at
400mA
d.c.
Similar
to PS2/33 but
printed
board
only
without chassis. DD 1966. DD Spec 12.17. OBSOLESCENT.
Supplies +24V and +6V from l15V a.c. CH1/12B. 1966.
WITHDRAWN .
Similar to PS2/l3K but with 11SV a.c. input.
WITHDRAWN .
1966.
Used in EPlM/S. Output: 48V, 2.SA. Plate 216mm x l6Smm
for pillar mounting. 1966. WITHDRAWN.
Provides 8 separate stabilised supplies of 24V at 100mA
from a SOV station battery. CH1/18E, pegs 3, 42.
DD 1966. DD Spec 3.446. OBSOLESCENT.
Similar circuits to PS2/l3A-Q but with current limiting
action to enable standby secondary cells to be floated
across the output. CH1/18C with index pegs as for PS2/l3
series. DD 1966. DD Spec 2.268. OBSOLESCENT.
Used in AM18/503 modified for "burst" stabilising
facilities. Outputs: 1.2A at +12V; 0.5A at -14V; 2S0mA at
+9V; 100mA at +4V and 2S0mA at -4V. Fitted with fan for
cooling. CH1/12B, pegs 14, 31. 1967. ACO. OBSOLESCENT.
As PS2/S7 but without cooling fan. 1967. DD Spec 8.268.
OBSOLESCENT.
Used in UN3/l4. Outputs: 3 at 56V, lA
100mA. Printed board, l78mm x 102mm,
transformer. 1967. WITHDRAWN.
and 1 at 24V,
plus mains
Used in EP6/S02 to provide O.SA or 6W (whichever is the
less) at +24V, +6V, -6V, -12V. Includes 2 PS2/22A,
PS2/22B, PS2/22D. ISEP unit type chassis on 102mm x l78mm
panel. SCPD 1967. OBSOLESCENT.
Similar to circuit of PS2/l3 but slightly modified to give
current limiting action for use with a floating secondary

12