dispensed with. CH1/46B.
DD 1968. DD Spec 5.146.
PCM Decoder for up to 13 high quality music channels.
Mounted on FW2/3B. DD 1971. CANCELLED.
Headphones stereo decoder, for incorporation in Hacker
"Sovereign" VHF Receiver. Includes volume control, system
switch, balance control and headphones jack on printed
wiring board, 127mm x 64mm. DD 1972. DD Spec 5.234.
DDTM 5.78. EDI 10163(P)NOV72. OBSOLESCENT.
Data Decoder used in EP1M/515 to extract and store in a
shift register data pulses from the video signal via
UN17/519 received jointly with the clock signal and the
corresponding sub-channel gating signal from UN23/l0. The
8 output information points can be sampled at any instant
except during the input data acceptance period. ISEP card
25 way plug, coding positions 3,
DD Spec 5.158. WITHDRAWN.
NTSC and PAL Record Decoder PN3/23 with UN1/540, UN1/527A,
UN1/571, UN18/510, UN18/5ll, UN19/503, UN9/538, UN9/539.
DD 1968. DD Spec 8.297. OBSOLESCENT.
New PAL Decoder incorporating the New PAL method of
demodulation and luminance and chrominance agc. Gives RGB
and sync signals from a standard encoded PAL input signal.
Includes DM1/505, UN1/623, UN14/517, UN16/521. Modified
versions for some applications have different sub-units.
CH1/55C. DD 1970. CANCELLED.
Character Decoder, 1 in 16 Control, used with CD3/508 in
the character generator to form a 1 in 64 decoder. PCB
with 33 way ISEP plug, coding 3, 9, 11. DD 1970.
Dfl Spec 7.213. OBSOLESCENT.
33 way ISEP plug, 3,
1 in 16 used with CD3/507 in the
to form a 1 in 64 decoder. PCB with
9, 13. DD 1970. DD Spec 7.214.
Function Decoder used in EPlM/521 to decode the
functions from 8 bit parallel binary input
Printed board with 33 way ISEP plug, coding 3,
DD 1970. DD Spec 7.208. OBSOLESCENT.
Extraction Processor Decoder used in association with
UN17/519 to provide a single channel facility of insertion
communication equipment, and allows pulse coded data to be
extracted from a video signal. CH1/43A. Coding 1, 4, 8.
DD 1970. DD Spec 11.95. WITHDRAWN.
Ident Decoder used in EP8L/503A-E as a data adaptor for
selecting and receiving two binary coded decimal digits in
DD Spec 11.98. WITHDRAWN.