Rc4
RC4/1A
RC4/ 2
RC4/50l
RC4/502
RC4M/503
RC4/504
RC4C/50l
RC4D/50l
RC5/1A,lB
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OBSOLESCENT.
Rc4 RADIO LINK (BROADCAST QUALITY) RECEIVERS
As RC4/l but operates on an internal battery only.
DD 1964. DDHB 5.34. WITHDRAWN.
Radio Microphone Receiver. Lightweight, portable.
Printed board l33mm x 76mm in case with internal battery
and telescopic aerial. DD 1965. WITHDRAWN.
Replaces TV/REC/3A. Includes CH3/lN chassis with RCIA/501
Sound IF Amplifier, RCIA/502 Vision IF Amplifier, RClA/503
RF
Unit
each
on a
CHI/4
chassis.
An
aerial
filter
FL2/522-526, a video delay equaliser EQ1/502 and a
separate head unit RC1A/504 are used as required. Test
equipment RC1A/505 is provided on a separate panel.
RC4D/50l replaces RC1A/503 for Band III working. DD 1956.
DD Spec 6.80. ACO. OBSOLESCENT.
Provides high quality vision and sound signals from
combined 625 line negative modulation vision and FM sound
transmission in Bands IVand V. Channel is selected by
pre-tuned converters. Mains operated. CH3/IN. Includes
RClA/506, RClA/507, RClA/508, RClA/S09, UN9/S23. DD 1962.
DD Spec 6.95. DDHB 6.53, 6.57. WITHDRAWN.
Recoded RCSM/50l. DD 1965.
UHF Link Receiver used in EPll/501 to give a colour video
output and a sound channel with future provision for an
additional sound
channel.
Portable.
Includes DM3/S02,
DM3/S03, PSl/30, DM3/S04, 052/522, AM14/528. S2lmm deep x
260mm
high
x
324mm
wide.
DD 1969.
DD Spec 6.170.
WITHDRAWN .
Signal Suppression Unit used to mute
sound output of an associated RC4/S01
the RC4/S0l falls below a preset level.
Box 229mm x Slmm x l2lmm. DD 1963. TI.
the video and/or
when the input to
Mains operated.
WITHDRAWN.
Band III RF Unit used in
Band III working. CH1/4.
RC4/S01 in place of RClA/503 for
DD 1963. WITHDRAWN.
RCS REBROADCAST RECEIVERS
Development of HR/18A for re-broadcasting in 88Mc/s-9SMc/s
band.
Mains operated.
483mm
x
l78mm
panel.
Embodies
Dynatron FM Tuner FM2, modified for crystal control.
Oscillator operates below receiver frequency in RCS/1A and

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