~l
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Department. Advanced
CHl/12A. Pegs 61, 62.
Field Store
DD 1969/70.
Standards Converter.
WITHDRAWN.
AMl/58l
Delay Line Output Amplifier with a gain of 8dB tldB at
30MHz t6MHz and a nominal output level of 0.5V p-p into
75~. Includes up to 4 gain and/or group delay
equalisation sub-units. First used Research Department.
Advanced Field Store Standards Converter. CHl/12A. Pegs
61, 64. DD 1969/70. WITHDRAWN.
AMl/582
Delay Line Output Amplifier with
30MHz t6MHz and a nominal output
75~. Includes up to 4 gain and/or
sub-units. First used Research
Field Store Standards Converter.
DD 1969/70. WITHDRAWN.
a gain of l8dB tldB at
level of O.V p-p into
group delay equalising
Department. Advanced
CHl/12A. Pegs 61, 65.
AMl/583
C.R.T. Drive Amplifier for incorporation in a commercial
colour picture monitor. Provides highly stable
amplification of a standard 0.7V p-p RGB signal to a level
suitable for driving the cathodes of a colour picture
tube.
Comprises
3
output amplifiers on a printed board
into which 3 separate pre-amplifiers are plugged.
DD 1969/70. WITHDRAWN.
AMl/584
Delay Line Output Amplifier first used with PA7/5l6 in
C06/507. Similar to ~1/58l but mains operated and
supplies 6-6-6V to ~1/585. CHl/12A. Pegs 45, 62.
DD 1969/70. WITHDRAWN.
~1/585
Delay Line Output Amplifier
modified for use with PA7/5l6
AMl/584. CHl/12A. Pegs 45, 63.
similar to
in C06/507.
DD 1969/70.
~1/58l but
Powered by
WITHDRAWN.
~1/586
Sound Mixing Amplifier used in EP5/509. 3 channel unit
employing integrated circuit fading elements. CHl/43B.
DD 1970. OBSOLESCENT.
~1/588
LF Noise Measuring Amplifier used at transmitting stations
for measuring L.F. noise below 6kHz in the presence of a
line repetitive test signal. Self contained battery. Box
l85mm
x
l20mm
x
55mm.
DD 1971.
DD Spec 9.146.
DDTM 9.95. OBSOLESCENT.
AMl/589
Pulse Driver Amplifier
UN3/520 in EP5/509.
OBSOLESCENT.
used with UN3/539 to
33 way ISEP board.
replace
DD 1971.
AMl/590
Video Amplifier, 405 lines, used to provide 24V d.a.p.
output into high impedance (unclamped) from a IV d.a.p.
input. Used with PS2/l27. CHl/12A. Pegs 49, 60.
DD 1971. DD Spec 7.245. DDTM 7.177. OBSOLESCENT.
~1/592
Video Processing Amplifier, used in Coder CD2M/508. 18
bit ruggedised S.i.S. input signal is converted to sine
squared pulses and inserted into line sync pulse of video
signal. PCB with 33 way ISEP connector, indexing
positions 5, 23, 27. RD 1972. OBSOLESCENT.

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