~l
AMl/553
AMl/554
AMl/557
AMl/558
AMl/559
AMlM/560
AMl/563
AMl/564
AMlL/565
AMl/566
AMl/567
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41. DD 1966. DD Spec 11.31. ACO. OBSOLESCENT.
Scan Linearity Corrector Amplifier used with GEl/533 to
drive linearity-correction waveforms into a scanning coil.
CHl/12A. DD 1966. OBSOLESCENT.
Output Amplifier used in GE4M/524 to mix pulses from
GE2/553 and colour bars from GE6/505 and provide an output
into 75~. Also provides a +12V supply for GE4M/524.
CHl/12A. Pegs 9, 36. DD 1967. DD Spec 8.261. ACO.
OBSOLESCENT.
Matrix Amplifier
amplifiers with
matrix resistors.
comprising
selection
CHl/12D.
three input and three output
of anyone of seven sets of
DD 1967. WITHDRAWN.
Subcarrier Burst Error Amplifier for use in AMI8/503.
Produces an error signal from the subcarrier bursts of a
mixed video input signal and a reference input signal.
CHl/43. Pegs 2, 4, 6. DD 1967. DD Spec 8.273. ACO.
OBSOLESCENT.
Binary Code Amplifier used in EP6/502.
UN23/507. DD 1967. OBSOLESCENT.
Superseded by
Colour Processing Amplifier. Provides equalised and
blanked signals from the output of a 3 channel colour
scanner's head-amplifiers for encoding. PN3/23 with
AMl/56l, AMl/562, AMl/563, AMl/564, AM19/505, AM19/506,
GE4/532,
PN3A/16H.
DD 1967.
DD Spe0 8.296.
ACO.
OBSOLESCENT.
Blanking and Sync Mixing Amplifier (Master) used in
AMl/560 with AMl/564 and in AMlL/565. Applies lift and
gain correction (locally or remotely controlled), blanks
and adds sync pulses, peak-white and black-level clipping.
Mains
operated.
CHl/26B.
Pegs
17,
42.
DD 1967.
DD Spec 8.271. ACO. OBSOLESCENT.
Blanking Amplifier (Slave) used with ~1/563 in AMlM/560
to give 3 channel colour working. Provides similar
facilities to AMl/563 for 2 video signals. Power supply
from
AMl/563.
CHl/26A.
Pegs
17,
41.
DD 1967.
DD Spec 8.272. ACO. OBSOLESCENT.
Monochrome Processing Amplifier used with monochrome
flying spot scanners. Comprises AMl/56l, AMl/563,
AM19/505, PN3A/16D. DD 1967. WITHDRAWN.
Pulse Buffer Amplifier with 6 identical, independent pulse
amplifiers, each with high input impedance and 75~ output
impedance
and
zero
gain.
Includes
PS2/22B.
CHl/12A.
Pegs 11, 43. DD 1967. DD Spec 8.277. ACO. OBSOLESCENT.
Video Difference Amplifier used with MN6/502 and as an
independent measuring unit. Includes a calibrated square
wave and an auxiliary output from one input signal for
triggering purposes. Gain: -5 to +3dB. Mains operated.

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