be faded remotely. Comprises
UN9/5l0, UN9/509, AT3/S0l,
DD Spec 4.37. OBSOLESCENT.
2 PN3/23 each with 5
AMS/S06A. DD 1963.
Similar to AMl/S16 but has AMS/S06A in place of AMS/S06 to
give colour capability for use in MXl/S02A. UN9/S09A
replaces UN9/S09. DD 1968. DD Spec 4.37. OBSOLESCENT.
Slavelock Receiving Amplifier used to convert signals
received by line from UN1/S28 into suitable form for
driving a pulse generator. CH1/l2A. Transistors: 7 OC42,
OC83, OC140. DD 1963. DD Spec 8.137. DDHB 8.160. ACO.
Frame Scan Output Amplifier. Delivers up to 1.3A p-p of
linear sawtooth current at frame frequency into a 1.2mH,
2n scan coil. Used with GE1/513, PS3/23 and two UN1/27.
DD 1963. WITHDRAWN.
3 Channel Amplifier for insertion in RGB feeds
colour picture source to reduce visible noise and
picture sharpness. Mains operated.
Transistors: 3 OC140, 25 2N706A, 2G103, OC28.
DD Spec 8.182. EDI 10106 (1)AUG7l. OBSOLESCENT.
D.C. Amplifier which accepts a signal between 0 and -12V
and delivers an output four times as large, in the same
sense, at a maximum current of SOmA. Includes printed
board with PS2/22A in CH1/12A. External supply of -60V is
DD Spec 7.36.
DDHB 7.71. OBSOLESCENT.
Bistab1e Amplifier in C02/510.
Line Scan Output Amplifier to provide a linear current
sawtooth waveform of up to 2A d.a.p. for driving Cinte1
scan coils Type 7022C in a multi-standard display.
CH3/1C. Power supply from PS2/28. Input: up to SV d.a.p.
sawtooth, positive going, from GE1/S14. Z in = 100k~.
Outputs: (a) up to 2A d.a.p. sawtooth positive going, to
scan coil. (b) separate outputs of 4V d.a.p. to A.G.C.
circuit of GE1/S14 and to scan protection circuit UN1/S39.
Valves: 5A/180M, E180F, 3A/167M, 108C1, 2 6CB5. DD 1963.
Line Scan Drive Amplifier used with AMl/525 to provide
0.7A d.a.p. scanning current into scan coils of SOO~H for
DD Spec 7.48.
DDHB 7.83. OBSOLESCENT.
Line Scan Output Amplifier used with AM1/524. CH1/12A.
DD 1963. DD Spec 7.48. DDHB 7.83. OBSOLESCENT.
Provides video signal up to 50V d.a.p. for modulating the
Output is clamped to a pre-determined
reference potential. CH1/l2A. Input: Up to 3.3C Video
signal and 2V sync pulses. 40S or 62S lines. Used with