GW4BZD : HOEMPAGE

GW4BZD HOMEPAGE DR CHRISTOPHER BARNES BANGOR . Licensed Ham Since 1970, g8dxs ,g4bzd,gw4bzd.

Current Occupation; Teacher of Electronics for a successful Distance Learning Company

Secondary Occupation Examiner of Electronics for a well known UK Examining Board

Secondary Occupation Teacher of Chemistry; Hillgrove Independent School BANGOR

First Taught Electronics 1979-1986, as Lecturer Gwynedd Technical College

EX: Voluntary work Ex Raynet, Ex CW Examiner, Ex Examiner to City and Guilds Blind /Disabled RAE Candidates

Present Voluntary Work: EMC/Technical Coordinators RSGB www.rsgb.org/emc/emcwebsite/emclist.htm

Mysteries in our skies visit:

http://www.btinternet.com/~gmbarnes/atmosphere.htm

Current Ham Radio Interests

6 METRE DX

I enjoy operating H.F. RTTY AND DIGITAL MODES. www.g3vfp.org/download.html

Other Interests I write poetry and patents!!

BANGOR SCIENTIFIC CONSULTANTS PATENTS AND INVENTIONS AND HOME TUTORING SITES

SEE: www.btinternet.com/~gmbarnes/patents.htm

and www.drchrisbarnes.co.uk

www.chrisbarnespoet.co.uk Contemporary Poetry WRITTEN BY MYSELF

BELOW ARE USEFUL LINKS FOR STUDENTS

LINK FOR CV TAILORING AND JOB APPLICATIONS

WWW.CVS4U.CO.UK

USEFUL LINKS FOR AS AND A2 LEVEL ELECTRONICS STUDENTS

http://www.e-mail-a-teacher.co.uk/

http://www.e-mail-a-teacher.co.uk/A2ELEC.htm

www.aqa.org.uk/qual/gceasa/ele.html Syllabus plus Past Papers

www.ikes.freeserve.co.uk Free support materials

www.discovercircuits.com/R/rec-circuits.htm Radio receiver circuits

www.superheterodyne.co.uk

www.regenerative.co.uk

www.electronicsforu.com/efylinux/circuit/nov99/novcir1.htm Using a Computer Parallel Port

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

www.monostable.co.uk

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

USEFUL CHEMISTRY LINKS

http://cator.hsc.edu/~mollusk/ChemArt/redox.html REDOX REACTIONS

http://www.cci.ethz.ch/en/stat/redox.html EXPERIEMNTS ON THE WEB

http://wwwchem.uwimona.edu.jm/courses/titanium.html THE KROLL PROCESS (TITANIUM EXTRACTION)

http://www.chemsoc.org/viselements/pages/data/intro_groupii_data.html GROUP ii Chemistry

http://www.projectgcse.co.uk/chemistry/index.htm GCSE CHEMISTRY REVISION

0845 0800 126
User: dialup01 Pass: FREE FREE INTERNET ACCESS

http://www.chemguide.co.uk/atoms/properties/elstructs.html ELECTRONIC STRUCTURES OF ELEMENTS (INCLUDING

SUB-Shells)

http://dl.clackamas.cc.or.us/ch104-07/patterns.htm PERIODIC TABLE AND PATTERNS

http://www.wpbschoolhouse.btinternet.co.uk/page03/The_Halogens.htm HALOGENS GCSE

http://www.chemguide.co.uk/inorganic/group7menu.html Halogens AS

http://www.bbc.co.uk/scotland/education/bitesize/higher/chemistry/calculations_3/hess1_rev.shtml HESS’ LAW

http://www.wpbschoolhouse.btinternet.co.uk/page04/page04.htm AS ORGANIC REVISION

http://www.alkanes.co.uk

http://www.alkenes.co.uk

http://electrophile.co.uk

http://nucleophile.co.uk

http://www.s-cool.co.uk/topic_index.asp?subject_id=7 AS INORGANIC REVISION

http://www.haber.co.uk

http://www.molarity.co.uk

http://www.amazon.co.uk/exec/obidos/ASIN/0435581341/chemguide/026-8688604-3471613 BOOKS FOR AQA COURSES