LINESIM Component List

The pricing of these components is subject to regional variation.
Constructors with the necessary experience, should have little difficulty estimating the likely local cost.
Device No/TypeDescriptionQty
-- Semiconductors --
NE555NMultivibrator1
HCF4020B14 Bit Counter1
HCF4040B12 Bit Counter1
HCF4043BQuad RS latch(NOR)1
LM324Quad Op-Amp1
HCF4001BQuad NOR Gate2
HCF4011BQuad NAND2
1N4148Signal Diode22
BC549 / 2N5818NPN1
BC559 / 2N6003PNP1
MPSA421NPN2
MPSA921PNP2
-- Relays --
47W/6 (or equiv)12V DPDT DIP2
-- Capacitors --
C1,21 1 nF Capacitor (Polyester Film)2
C17,1810 nF2
C3,13,14,15,16,20100 nF Capacitor6
C2 0.47 µF Capacitor1
C5,6,7,8,9,10,11,12,192.2 µF 16v Electrolytic9
C4 47 µF 63v Electrolytic1
Cb1/2 (If used)1 µF 100V Non-Polarised Electrolytic2
(Power Rail Decoupling)10 µF 16v Electrolytic1
--Resistors-- 1/6~1/4W
RV1, RV247k Preset2
RV310k Preset (Multi-turn)1
R19,22100R2
R3,4220R2
R51k1
R13k31
R24k71
R18,21,25,29,30,3110k6
R6,7,10,11,14,15,2022k7
R2733k1
R23,2447k2
R8,9,26100k3
R12,13,16,17,28270k5
Telephone socket doubler. See notes.1
Parts for access cable used on internal version
Male 9-way 'D' connector.1
Female 9-way 'D' connector.1
Cover for 9-Way 'D' connector1
1 Metre+ 6 core signal/alarm cable.1
1 These devices are selected for their high VCE rating, needed to withstand transients from electromagnetic bells. If the unit will not be used with such devices, MPSA42 may be substituted with BC549 / 2N5818, and MPSA92 may be substituted with BC559 / 2N6003