FL010538 FL1S/538
FL010539 FL1S/539
FL010539 FL1S/539
FL020014 FL2/14
FL020015 FL2/15
FL2/15A
FL020016 FL2/16
FL020017 FL2/17
FL2/17 A
FL020018 FL2/18AtB
of 13.5 MHz and outputs 12 bits. Power requirements +5 V
and -5 V. 4 U BMM unsupported card. DD 1985.
5-Coefficient Centre Term Transversal Filter. This unit is
a five-coefficient 9 term digital transversal filter. It
will accept an input of 10 bits of data at a maximum clock
of 13.5 MHz and output 12 bits. Power requirements +5 V
and -5 V. 4 U BMM unsupported Card. DD 1985.
Digital Transversal Filter. Digital transversal filter
cardt with eight taps in proms. Forms a sixteen tap
symmetrical
filter.
Incorporates
monitoring.
Power
requirements +5 V. Circuit board size 6U. DD 1984.
Digital Transversal Filter. Digital transversal filter
cardt with eight taps in proms. Forms a sixteen tap
symmetrical filter. Incorporates monitoring. Designed to
operate
at
2x
colour
subcarrier.
ECL
clocked.
Power
requirements +5 V, -5.2 V. Circuit board size:- 6U. DD
1984.
Bandpass Filter. Input RF filter used on
RC4M/8, can be tuned to frequencies in band IV.
260mm x l25mm x 38mm. DD 1977.
RC4M/7 and
Copper box
Filter and Alarm Unit. Contains a bandpass filter for
frequencies between 2.4kHz and 2.8kHz (600Q impedance).
Interface circuits allow alarm states to be applied to the
scanned inputs of a switching system. Power requirements
+5V. CH1/63. DD 1978.
Filter and Alarm Unit. Similar to FL2/15 except that the
filter is modified for narrow band (100Hz) working. Power
requirements +5V. CH1/63. DD 1978.
Pilot Tone Filter containing four Bandpass Filters which
enable measurement of level of continuity and mo nitoring
tones in the presence of programme. The centre frequencies
of the filters are 19kHz, 23kHz, 27.lkHz an d 76kHz. Power
requirements None. Diecast box approximately 190mm x l30mm
x 55mm. DD 1978. DDMI 2.440(78). DDHB 2.436(78).
Band 11 Bandpass Filter designed to pass frequencies in the
range 88-l04MHz with an insertion loss of <0.3dB.
It
is
provided with TNC input and output connectors and mounts on
a flat plate. Power handling 100W C.W. 86mm x 27mm x l3lmm
excluding connectors. DD 1978.
Band 11 Bandpass Filter. This filter is designed to pass
frequencies in the range 88-108MHz with an insertion loss
of <0.3dB. It is provided with TNC female input and
outuput connectors and mounts on a flat plate. Power
handling 100 Watts C.W. This design supersedes the
FL2/17. 86 x 27 x 131mm excluding connectors. Parent
equipment TM4M/4, TM4M/8. DD 1984. DDMI 5.379.
PSK Bandpass Filter. This is a narrow bandpass filter and
amplifier having a high impedance balanced input and two
isolated high impedance balanced outputs. It is intended
to be used to regenerate PSK data transm issions. The 'A'
version operates at 23kHz and the 'B' version operates at
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