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POWER SUPPLY PROJECTS

R. A. Penlold    BP0076

The purpose ol tNs r>x* «s to give a numbcr ot power sup-pty deslgns. Inctudmg simple unstabWscd types. fixed-vOlt-age regutaled typcs. and vanable vctage slabłlscd de-signs. the latter bemg pnmanly mtended tor use as ocnch supplies lor ihe eiectronlcs workshop. The destgns provided are aH iow-voltage lypes lor seml-conductor drcurts. This book shoutd aiso heip the reader to design his own power suppues.    96 pages    $7.50

50 PROJECTS USING RELAYS. SCRs and TRłACs F. G. Rayer    BP0037

Thls book gives tried and    practical working orcułts wtitch

shouid present the minimum ot difticulty tor ihe enthuslasl to consiruct In most ol the circurts there is a Aide latitude ot component vaiues and typcs. a>OAing easy mo>ilf«catk)n ol orcults or ready adaption ot them to Indiyidual nccds.

f 12    pages    S8.S0

ELECTRONIC SECUfitTY DEVICES R. A. Penlold    BP0056

Many peopie associat# the term security dev*ce with ody burgiar aiarms ot varłous lypes. but in lact. any piece ol equ'prnent whtch heips to protect peopV and property against any torm ot danger could be termed a security devlce".

Theretore this book. bestdcs ineluding ooth simple and morę sophłsticaied burgiar alarm circults using ight. łntra-red and uitrason.es. a:so indudes many ottier typcs ol Cir-cuits as we«. such as gas and smoke detectors, ttood aiarms. doorphooe and baby alarm*, etc.

112 pages    S9.50

AN INTRODUCTION TO Z80 MACHINĘ CODĘ R. A. A J. W. Penlold    BP01S2

Takes the reader through the bases ol m^roproccssors and machinę codo programmmg with no previous knowi-edge ol these betng assumed. Tho rmcroprocessor dealt with is Ihe Z80 whlch is used in many popular home com-puters and simple programmmg eiamples are given tor Z80 bascd machinę* mciudmg the Sinclair ZX-8t and Spectrum. Memołech and the Amslrad CPC 464. Aiso appkcable to ihe Amstrad CPC 664    and 6128.    1U pages    SI0.00

COIL DESIGN AND CONSTRUCTION MANUAŁ B.BBabanl    BP0160

A compictc book lor the home construclor on 'how to make' RF. IF. audo and power coil*. chokcs and trans-tormers Practcaiiy every possibie typc I* discussed and calculabons necessary are given and eipialned ki detaii. Ali mathemat<ai data Is s>mpl4ied tor use by everyone.

96 pages    S9.50

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Priced to Cfecrr LIMITED STOCK

A TV-DXERS MANDBOOK

R.Bunney    BP0176

Compietety revlsed and updated by Roger Bunney w ho is probabły one ol the leading authonties «n ths country on the subject. Inctudes many umts and dev>ces whmh hawe been designed and used by active enthusiasts. and often considerable mgenuity and thought have gone mto the devetopment ot such urkts to o- ercome mdwiduai prób lems.

A pracfcal and authoritative reterence to this unusual aspect ol Mectronics. (Large Format)    $14.00

HOW TO GET YOUR ELECTRONIC PROJECTS WORKING

R A. Penlold    BP0110

The a Im ol INs book Is to help Ihe reader overcome problem* by in<VcatJng hoA and whete to starł looktng tor many ot the common taults that can occur when buildlng up proj-ects

Chapier 1 de ais wtth mechanlcai lauMs such as tradng dry jomts. shorl circuiis. broken P.C.B. traeks. etc. The eon struci on and use ol a tristate contlnulty tester, to help m the above. is aiso covered. Chapte¹ 2 deais with llnear ana-logue cWcults and aiso covers the use and construction ot a signal injector/iracer whlch can be used to locate and iso-lale the faulty areas In a projecL

Chapter 3 considers ways ol tesimg the morę common components such as resistors. capacitors. op amps. diodes. transistors. SCRs. urn)unctions. etc., with the aid ot only a linkted amount ot test equipment.

Chapier 4 deals with both TTL and CMOS logie clrcurts and Inctudes the use and construction ol a pulse generator to help lault-finding    96 pages    S8.S0

A Z-80 WORKSHOP MANUAŁ

E. A. Parr    8P0112

TNs book is Intended tor peopie who wish to progress be-yond the stage ol BASIC p<ogrammlng to toplcs such as machme codę and assembly tanguage prorjramming, or need hardware detalis ot a Z-80 based Computer.

192 pages    S12.00

ELECTRONIC ClRCUlTS FOR THE COMPUTER CONTROL OF ROBOTS

R A. Penlold    BP0179

Prov«des Information and clrcurts on Computer contro! ot dectric molors (Induding slepper lypes). plus a rangę Ol u set ul sensors Inckłding yisible light. inlra-red. and ultra-sonic Tpes    96 pages    S11.00

IC 555 PROJECTS

E. A. Parr    BP0044

Every so otlcn a deylce appears that k so useful that one wonders how Cle went on betore without rt. The 555 timer is such a device. inciudod In tNs book are basie and generał drcuits. ftiotorcar and model rallway Ckcults. aiarms and noise makers as wel as a secton on the 566. 568 and 569 tlmers.

59.50

176 pages

HOW TO DESIGN AND MAKE YOUR OWN P.C.B.s R A Penlold    BP0121

Chapter 1 deals with the simple methods ol copying printed Circuit board dosigns trom magarmos and books and cove's all aspects ol s.mpie P.C.B. construction as compre-hensiyeły as possibie. Chapter 2 covers photographtc meth-Ods ot producmg pc.bs and Chapter 3 deais with most aspects ol designing your own prmted Circuit board layouts

56.50

80 pages

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ELECTRONICS BOOKS ORDER COUPON

(It Insufflcłent spece ancloM aeparate list)

For arrma/f oulskte AuStraha adó 55.00 to these charges

BOOK TITLE

BOOK NUMBER QTY

PRICE

USING YOUR AMSTRAD CPC OISC DRlVES

J. W. Penlold    BP0189

Covers such tNngs as traeks. sectors ano lormattmg. AMDOS and CP M operating Systems mdudmg rule* and regUatKyis. Iifcng łrom BASIC. I4e copymg and transłer; proqram development mduding MERCE and CHAIN MERCE CP M tumkey dises etc.

Sn.dO $9.00

96 pages

25 SIMPLE AMATEUR BAND AERIALS E M. Nołt    BP0125

TNs conctse book desenbes how to build 25 amateur bano aenais that are simpłe and mexpens-ve to construcl and pertorm acII The des*gns stan with the simple dipole and proceed to bcam tnangie and even a m.r*-rhombic madę Irom tour TV masts and about 400 teet ol w.re.

Yoo wrfi tyid a compiete set ot dtmension tabies that will heip you soot an aenal on a particmar lrequency Dimen-_q ^s,ons Me given lor yanotis style aenais and ot ner data ’ needed lor spacmg and Cuttmg phasmg lengrhs Aiso In-~ cfcjded are d.mensK>ns tor the the new WARC bands.

80 pages    $5.00

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Expiry Datę

EA OCT '87