EQ5
EQ5/520B
EQ5/521
EQ5/522
EQ5/524A
EQ5/525
EQ5/527
EQ5/528A-J
EQ5/530
EQ5/531
EQ5/539A,539B
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As EQ5/520A but for l)ss of 0.75dB-2dB at 4.43MHz,
equivalent to 45m-l20m of PSF1/2 or 33m-90m of PSF1/3.
DD 1968. OBSOLESCENT.
Chrominance Luminance De1ty Equaliser used as a trimmer on
temporary television
cir:uits.
-19ns
to +195ns in 15ns
steps at 4.43MHz. Nor:~a11y used with variable gain
equaliser e.g. EQ5/513. CH1/12B, pegs 25, 36. DD 1968.
DD Spec 6.147. EDI100l0.rLY69. OBSOLESCENT.
Chrominance Line Equalise': used to boost chroma by OdB,
3dB or 8dB at 4. 43MHz af' :er the output of RClL/50l in
E.I.D. Colour Demonstra':ion Vehicle, to correct video
errors in areas of poor rf~ception. Used with AM5/5l3 to
compensate for basic 10l:s of l5dB. CHl/l2A. DD 1969.
DDMI 6.337(78). WITHDRA~I.
525 line version of EQ5/5:4. DD 1970. WITHDRAWN.
Studio Line Video EqualisEr similar to EQ5/520A, EQ5/520B,
but for l20m-180m of PSJl/2 cable. Basic loss of 6dB.
Mechanically as EQ5/520Ai EQ5/520B, but for mounting on
the PN3A/18 rear connEctor of a 6dB distribution
amplifier.
DD 1970.
DD Spec 8.392.
DDTM 8.288.
EDI 10049(1)JUN70, 10119(J)JAN72. ACO. OBSOLESCENT.
Voltage Controlled Line Equaliser used in EQ12M/503 to
correct bar, pulse and chtominance amplitude and bar slope
in Insertion Test Signal. CHl/43A. DD 1971.
OBSOLESCENT.
Tie Line Equaliser for the LF waveform correction of up to
30m of PSF1/3 cable. Available to compensate for various
combinations of cable length and type of termination.
Small box with two connectors. DD 1971.
EDI 10138(1)JUL72. OBSOLESCENT.
Voltage Controlled HF Equaliser, used in EQ12M/503 to
correct level, pulse amplitude, pulse shape, chrominance
level and chrominance/luminance delay. CH1/63. DD 1972.
DDMI 2.425(76). OBSOLESCE~T.
Voltage Controlled LF Elua1iser,
correct the shape of the lO~s bar
CH1/63. DD 1972. DDMI2.+28(76).
used in EQ12M/503 to
in the ITS signal.
OBSOLESCENT.
Cable Equaliser 75~ for co~recting coaxial cable tie lines
with losses at 4.43MHz oE A, OdB-1dB (45m PSF1/2). B,
O/75dB-2dB (33m-90m PSFl/3). Printed circuit board for
plugging into AM4/530. E1~ctrically similar to EQ5/520A,
EQ51520B. DD 1975. CANCE_LED.

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