AMlB/5ll
AMlB/5llA
AMlB/51lB
AM18/Sl3
AMlB/S13A
AMlB/S13B
AM18/S13C
AM18/S13D
AM18/S14
-
39 -
AM18
Nominal gain: unity, continuously variable t3dB. DD 1964.
DD Spec 6.87. DDHB 6.39. OBSOLESCENT.
Pulse Stabilising Amplifier. Part of MX1/S02. Consists
of two identical sync pulse stabilising amplifier chains
with inputs in parallel. Outputs from AM1/S16 are
combined and each chain accepts this signal or output from
UN4/S02A to give output signal with correct sync pulse.
Comprises 2 PN3/23 each with UN9/S12, AM3/S01, UN3/S03,
AM18/507, UN9/Sl1, UN1/S10, GE2/S04, GE2/S03. DD 1963.
DD Spec 4.36. DDHB 4.9. OBSOLESCENT.
Colour version of AM1B/Sl1 for use in MXl/502A. Two
PN3/23 each with AMl/558, UN9/Sl2A, AMl8/S20, AM3/50l,
GE2/S03B, GE2/S04, UN1/510A, UN9/S11A, UN3/S03, NEl/514,
DD 196B. DD Spec 4.36. OBSOLESCENT.
Modified AM18/SllA used on BAl1/S01B. Accepts a combined
fade/wipe input and incorporates a lapped stabilising
amplifier changeover. DD 1970. WITHDRAWN.
Sync Pulse Stabilising Amplifier. Part of Studio Mixer
EPS/S02. Accepts output from group mixer and produces
output signal having correct sync pulses at all times.
Comprises PN3/23 with GE2/S03A, GE2/S04, GE2/S19,
AM18/514, AM3/S03, PS2/10A and EQS/S10. DD 1963. ACO.
OBSOLESCENT.
Used in EPS/S03.
equalisation instead
OBSOLESCENT.
Modified AM18/S13
of 46m. DD 1965.
for lB3m cable
DD Spec 8.151.
Synchronising Pulse Stabilising Amplifier, used in Studio
Mixer
EPS/S03.
Accepts
output
from
group
mixer
and
produces output signal having correct synchronising pulses
at all times. Equalisation set to compensate for IBSm
cable. For use in colour system. PN3/23 with GE2/S03B,
GE2/S04, GE2/519, AM18/514, AM3/S03, PS2/S7A, AM1/SSB,
AM1/S70. DD 1967. OBSOLESCENT.
Identical
cue-dot
GE2/S03C.
with AM18/5l3B with additional facilities for
insertion provided by UN9/563, AM1B/514A,
DD 1968. OBSOLESCENT.
Sync Pulse Stabilising Amplifier similar to AM1B/513B but
with
additional
facilities
provided
by
inclusion
of
UN9/S63 and replacement of GE2/5l9 by GE2/577. DD 1969.
DD Spec 8.151. EDI 10035 (1)MAR72. OBSOLESCENT.
Processing Amplifier. Part of AM18/S13. Output black
level is maintained at earth potential by AM3/S03. Limits
peak white-level, and negative excursions of video output
are limited by a black level clipper. Also limits
subcarrier on high luminance colour signal. Any sync
signals present are removed by two gates driven by
GE2/503, and new sync pulses are added from GE2/504.
CHl/12A. DD 1963. DD Spec 8.155. ACO. OBSOLESCENT.

39