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tams elektronik
Resistance networks
In resistance networks there are several resistors integrated. The number of the
integrated resistors varies depending on the design. One side of the resistors is
commonly taken out of the network, the other side seperately for every resistor.
Ceramic capacitors
Among other things ceramic capacitors are used for filtering interference voltages
or as frequency determining parts. Ceramic capacitors are not polarized.
Normally they are marked with a three-digit number which indicates the value
coded. The number 104 corresponds to the value 100 nF.
Transistors
Transistors are current amplifiers which convert low signals into stronger ones. There are
several types in different package forms available. The type designation is printed on the
component.
Transistors for a low power rating (e.g. BC types, BS types) have a package in
form of a half zylinder (SOT-package). The three pins of bipolar transistors (e.g.
BC, BD and BT types) are called basis, emitter and collector (abbreviated with the
letters B, E, C in the circuit diagram).
Integrated circuits (ICs)
Depending on the type, ICs fulfil various tasks. The most common housing form is
the so-called "DIL"-housing, from which 4, 6, 8, 14, 16, 18 or more "legs" (pins)
are arranged along the long sides.
ICs are sensitive to damage during soldering (heat, electrostatic charging). For
that reason in the place of the ICs IC sockets are soldered in, in which the ICs are
inserted later.
Terminal strips
Terminal strips are solder-in screw-type terminals. They provide a solder-free and safe
connection of the cables to the circuit, which can still be separated any time.
RJ-45 sockets
The RJ-45 sockets are standardized and are made to connect commercial Ethernet patch-
cables (or RJ-45 cables).
S88-3
Assembling the kit | 11
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