USEFUL LINKS FOR AS AND A2 LEVEL ELECTRONICS STUDENTS
www.aqa.org.uk/qual/gceasa/ele.html
Syllabus plus Past Papers
www.ikes.freeserve.co.uk
Free support materials
http://www.gw4bzd.co.uk
www.discovercircuits.com/R/rec-circuits.htm
Radio receiver circuits
www.electronicsforu.com/efylinux/circuit/nov99/novcir1.htm
Using a
Computer
Parallel
Port
http://www.commlinx.info/
www.ee.washington.edu/circuit_archive/circuits/
Miscellaneous circuit archives
www.keelynet.com/sources/schema1.htm
Audio Circuits
www.marchandelec.com/fg.htm
Windows based function generator, free download
http://home.cogeco.ca/~rpaisley4/Stepper.html
Stepper Motors
http://users.chariot.net.au/~gmarts/fx-wah.htm
Guitar Effects
http://www.web-ee.com/
Tutorials ,
Newsgroups ,Online Electronics Calculators
http://webpages.ursinus.edu/lriley/ref/circuits/node5.html
Op-amp theory and Circuits
http://sound.westhost.com/project52.htm
(sound distortion analyzer)
www.discovercircuits.com/A/au-accessories.htm
(audio circuits)
http://private.addcom.de/KeithWilson/Documentation/Circuits/LightMeter.gif
(light meter)
http://home.hetnet.nl/~ba8tian/cmtr-gb2.htm
(Computer driven C-METER)
Www.indiana.edu/%7Eemusic/etext/MIDI/chapter3_MIDI.shtml
(
Midi
interface )
www.gbaudio.co.uk/radio.htm#UK
(deregulated
tx
frequencies)
www.siliconchip.com.au/cms/A_30372/article.html
a.m
radio
www.aaroncake.net/circuits/3chspec.htm
(simple audio spectrum analyzer)
http://www.aaroncake.net/circuits/3chspec.htm
http://www.allaboutcircuits.com/vol_6/chpt_7/9.html (7
segment display theory)
www.zen22142.zen.co.uk/Circuits/Misc/dec_bcd.htm
(DECIMAL TO BCD CONVERTOR)
www.williamson-labs.com/555-tutorial.htm
loads of 555 Circuits
http://www.seattlerobotics.org/encoder/200112/elik.htm
AUDIO F/V CONVERTOR
http://members.shaw.ca/roma/thirteen.html
f to v
http://www.aaroncake.net/circuits/irremote.htm
I/R CIRCUITS
http://circuitos.tripod.cl/schem/r53.gif
I/R RX
http://members.tripod.com/xexorz/schematics/irreceiver.html
I/R RX
http://www.robotroom.com/Infrared555.html
i
/r
tx
http://www.commlinx.com.au/music.htm
MUSIC RELATED SCHEMATICS
http://www.epanorama.net/links/irremote.html
i
/r
http://www.electronicsforu.com/efylinux/circuit/feb2003/aug99_IRcordless.pdf
I/R RX +TX
http://www.zen22142.zen.co.uk/Circuits/Interface/ir_switch.htm
I/R SWITCH
http://www.xs4all.nl/~sbp/knowledge/ir/ir.htm
I/R THEORY
http://www.discovercircuits.com/PDF-FILES/30khzamp1.PDF
I/R RX
http://imagineeringezine.com/PDF-FILES/voicex2.pdf
I/R TX WITH V TO F
http://www.ee.washington.edu/circuit_archive/circuits/F_ASCII_Schem_IR.html#ASCIISCHEMIR_001V
I/R RX
http://www.epanorama.net/links/pc_sound.html
sound card
ccts
http://www.zen22142.zen.co.uk/Circuits/rf/amrec.html
AM RADIO
http://www.zen22142.zen.co.uk/Circuits/rf/amrec.html
http://hem.spray.se/lythall/rx/bipol_regen_rx.htm
http://www.qsl.net/aa5tb/regen.html
http://www.baldor.com/pdf/manuals/1205-394.pdf
servo motors
http://www.zen22142.zen.co.uk/Circuits/Switching/debounce.htm
SWITCH DEBOUNCER
http://www.maxim-ic.com/tarticle/article.cfm?filter=tut
ELECTRONICS TUTORIALS
http://computer.howstuffworks.com/boolean.htm
AS BOOLEAN LOGIC
http://classes.engr.oregonstate.edu/eecs/spring2003/cs101/logic.htm
AS BOOLEAN LOGIC
http://www.cpemma.co.uk/555pwm.html
PWM MOTOR CONTROLLER
http://www.cpemma.co.uk/pwm.html
PWM THEORY
http://www.allaboutcircuits.com/vol_6/chpt_6/9.html
PWM POWER CONTROLLER
http://www.kishwaukeecollege.edu/faculty/dklick/cis111/qbasic.html
QBASIC DOWNLOADS