- 316 -
Similar to PS2/l00 but with single output. CHl/12A, pegs
4,15. 1969. WITHDRAWN.
Outputs: Two 3.6V, 0-2A, unearthed. First used Research
Department Advanced Field Store Standards Converter.
CHl/12B, pegs 45, 46. 1969. WITHDRAWN.
Used in EPIM/520. Contains two rectifying and smoothing
circuits, each requiring an input of 400mA a.c. at 28V and
producing 250mA d.c. at 24V, with outputs connected so as
to be positive and negative with respect to common zero
potential line. In EPIM/520, the PS2/l03 is fed from two
transformers type M305B in PSl/34. Also contains some
logic circuitry of EPlM/520. Printed circuit board with
33 way ISEP connector; indexing positions 7, 9, 25.
DD 1969. DD Spec 7.200. OBSOLESCENT
First used in Research Department Advanced Field Store
Standards Converter C06/507 to provide a stabilised output
of -13/5V at 2A maximum loading from a l7V d.c.
unstabilised input provided by PS2/70. CHl/12A, pegs 45,
57. 1969. WITHDRAWN.
Basically as PS2/82A-D with connections from intermediate
points in the circuit brought out to output pins. A and B
versions have index pegs 60, 61 and 60, 63 respectively.
1970. DD Spec 2.334. DDTM 2.221. ACO. OBSOLESCENT.
Dual Current Limited Stabilised Power Suppliers. A =
+3.6V, +3.6V; B = +5V, +5V; C = +12V, +12V; D = +6V, -6V;
E = +12V, -12V; F = +18V, -18V; G = +24V, -24V; H = +12V,
-6V; J = two -5V. CHl/12A. 1970. WITHDRAWN.
l15V mains version of PS2/92A
to Ampex equipment.
to supply lA d.c. at 5.25V
DD Spec 7.178.
A l15V version of PS2/9lA to supply 650mA at l2V, earth
free, to Ampex equipment. Supersedes PS2/47. DD 1970.
DD Spec 7.176. OBSOLESCENT.
l15V version of PS2/93K for use
Double PS2/l08 (t12V). CHl/12A.
with Ampex equipment.
DD 1970. DD Spec 7.177.
Contains PS2/9lA to supply l2V, 650mA, and a separate half
card supplying 30V, 200mA. CHl/12A. 1970.
DD Spec 6.158. WITHDRAWN.
Used with EP7M/lO to provide an adjustable regulated
voltage up to l5V at 1.5A from an unregulated 30V d.c.
supply. CHl/12B. DD 1970. DD Spec 5.204. OBSOLESCENT.
Used in AM14/l4 to provide voltage regulated supply for
AM14/16 (one regulator for each amplifier). Similar to
voltage regulator in AM14/10. Input: I. SA d.c.
(approximately) at 30V. Output: 1.5A d.c. (maximum) at
voltage variable in range 0-15V approximately. Printed