In a circuit suppress /sa'pres/ [18] prevent a signal
getting through surface wave /'s3:fis weiv/ [9,10] see
ground wave surge /s3id3/ [23] sudden increase in
amplitude of current or voltage
surge suppressor/'s3:d3 sa.presa(r)/ [13]
electronic circuit for smoothing out
sudden large changes in current or voltage switch /switJ7 [5] electrical component for
opening and closing a circuit switchboard /'switjba:d/ [26] telephone
switching centre where a person controls
the switching of lines sync /sink/ [20] synchronization:
adjustment of the timing of signals so that
they are in step with each other (i.e. they
start at the same time) systems approach /'sistamz a.prautjV [1]
way of considering a circuit by focusing on
the function of each stage
take-up reel /'teik лр ,ri:l/ [21] tape recorder reel which gathers the magnetic tape after it has passed the heads
tamper sensor Лжтрэ(г) ,sensa(r)/ [9] device which detects when someone is interfering with a piece of equipment
tape-loading rollers /'teip .taudin ,гэи1эг/ [21 ] small metal or rubber cylinders in a recorder for pulling magnetic tape past the heads
tape recorder /'teip n,ko:d9(r)/ [1] machine for recording sound using magnetic tape
telecommunications /telikamjuim'keijnz/ [26] transmission and reception of signals over long distances
telegraphy /ta'legrafi/ [26] transmission of coded electrical signals over long distances
telemetry ДэЪтэт/ [25] electronic
measurement at a distance telephone /'telifaun/ [1, 26]
communications device which enables one
person to speak to another over long
distances telephone exchange /'telifaun
Iks,tjemd3/ [28] switching centre for
switching signals from one telephone line
to another
telephone line /'telifaun lam/ [26, 28] set
of cables used to carry telephone signals telephone network /'telifaon ,netw3±/
[15] system of interconnected telephones telephone traffic /'telifaun .traefik/ [26]
signals travelling along telephone lines telephony Дэ'Мэш/ [26] transmission of
speech over long distances teleprinter /'teli,prmta(r)/ [28] device used
for printing received telex messages teletex /'teliteks/ [28] modern telex
communications service for transmitting
text and graphics over long distances teletext /'telitekst/ [8, 28] communications
service which transmits text and graphics
over long distances as part of a television
Video signal teletype terminal /'telitaip ,t3:minal/ [28]
device used for sending telex messages television /'telivi3n/ [1, 14]
communications system for the
transmission and reception of video images
over long distances television (set) /'telivi3n (,set)/ [20]
electronic device for receiving video
Images over long distances television receiver Ле1шзп n,si:v9(r)/
[20] see television (set) television station /'telivi3n .steijn/ [20]
television channel telex /'teleks/ [26, 28] communications
service for transmitting simple text over
long distances terminal /Ъ:ттэ1/ 1 [1] part of an
electronic component or circuit where
leads can be attached 2 [26] input/output
device connected to a computer network THD /.tii eitf 'di:/ [13] total harmonic
distortion
thermal /'8з:тэ1/ [28] to do with heat thermionic valve /8з:ттшк 'vaelv/ [26] electronic component which was commonly used before the invention of semiconductor devices such as transistors. A small heater drives electrons from the surface of an electrode inside a vacuum glass tube.
thermistor /'83:mista(r)/ [9] resistor made from a semiconductor material which is very sensitive to heat, decreasing its resistance as it gets warmer
tilt /tilt/ v [9] move to a sloping position by lifting one end
timebase generator /'taimbeis ^зэпэгейэ(г)/ [19] electronic circuit which produces a sawtooth wave to control the speed of the spot across the screen of a cathode ray tube
tolerance /'totarens/ [4] amount of acceptable variation
tone Дэип/ [26] audio signal of a particular frequency used in modern digital telephone systems for dialling a telephone number
tone control Дэип kan.traul/ [13] control for adjusting the range of frequencies to be amplified
tone generator /Ъип ^зепэгепэ(г)/ [26] electronic circuit for generating coded audio signals which are used in modern digital telephone systems for dialling a number
torch /ta.'tjy [5] portable electrical device for producing a beam of light
total harmonic distortion /.tautl hai'mDnik dis'to:Jn/ [13] overall effect of the generation of unwanted harmonic waves in an amplifier by such effects as clipping
track Дгагк/ [6] narrow area on a disc or tape where recordings are stored
transceiver/traen'si:v3(r)/ [27] device which is a combined transmitter and receiver
transducer Araenz'dju:s3(r)/ [9]
component which converts energy from
one form to another transformer /traens'foimstr)/ [5]
component consisting of two or more coils
of wire for increasing, decreasing or