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.
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 WITHDRAWN.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.
Binary Code Amplifier used in EP6/502.
UN23/507. DD 1967. OBSOLESCENT.
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,
DD Spe0 8.296.
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.
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
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 WITHDRAWN.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
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.