AEG Electrolux ERN 2922 User Manual

YOUR ONE -STOP SOURCE OF ELECTRONICS INFORMATION FEBRUARY 1988 $2.50 CANADA $3 50 THE MAGAZINE FOR ELECTRONICS & COMPUTER ENTHUSIASTS n ss <&q

NEW PRODUCTS RAM -Based "Disk" Drive Novo Drive 2000 for IBM PC, XT, AT and compatible computers from Kapak Design (Saratoga, CA) is

Soldering Iron Tip Tinner /Cleaner Multicore (Westbury, NY) has a new soldering iron tip tinner /cleaner. The TTCI tinner /cleaner consists of a sm

NEW PRODUCTS provide improved picture perform- ance without roll or flutter even while the vehicle on which it is in- stalled is in motion. The B

N ow from NRI comes the tarsi course of its kind ... anywhere! Learn to use, program, and service today's digital electronic music equipment as y

Communications Installin g Cellular Mobile Phones A guide to the cellular connection in vehicles By Art Salsberg ellular telephone technology has ma

rill February 1988 thus ensuring users that connection and use prices won't get out of line. When you buy a cellular phone, you must get a

2. The first step in planning a cellular telephone installa- tion is to find a suitable mounting site for the phone. The floor area between th

NEW! CB Radios & Scanners Communications Electronics '," the world's largest distributor of radio- scanners, introduces new models

Project Electronic Heat Control How electronics provides more efficient utilization of available energy resources and some controller circuit examples

A couple of degrees by itself would be of little consequence if it were not for the fact that objects, including ambient air, do not cool or hea

$0" POCKET SIZE SIZE:4 "Hx3.5 "Wx1 "D MADE IN USA '9995- S 15000 OPTOelectronics inc FREQUENCY COUNTERS TO1.3GHZ 8 LED DIGITS

gate. The AND gate delivers a pulse to the triac driving circuit only if all its signals are enabled: that the tem- perature is lower than setpoin

Fig. S. Adding phase control allows the conventional proportional controller to behave like a lamp dimmer, chopping the sine wave of the power line

unwinding. Identify the two starting wires with a dot of nail enamel or modeler's enamel paint. The dot cor- responds to the dots shown near

1 1 7 9 F 1 12K 2W D1 Ñ40Q14 66 . i 1 7 6 5 2 3 4 3 .9K R12K PI 22K C21- lu C4 R7 ! 6 lì 4.7u I 36K I !¡2,1TC J v f i I I Fuse 20 A LOAD

Computers Computer-Aided Troubleshooting Using a personal computer to assist in and speed up troubleshooting electronic circuits By Robert G. Middleto

BASIC CAT Program for Common -Emitter mplifier Biasing Networks Printout of a Sample Run of BASIC CAT Program 5 LPRINT "CE AMPLIFIER BIAS N

Project The Digi -Ohm Add -On Module A low -cost add -on module that gives the Digital Measuring System display module a resistance -measuring capabil

that makes these devices good tem- perature sensors). To overcome vari- ations with changing temperatures, thermally attached germanium diode CRI a

U1 LM134 R9 10K LEDI (DMS J3-8) 56 0 LED2 (DMS J3-7) R11 56 R R1 100 R2 100 619 R3 100 R4 6.19K R5 100 R6 R7 61.9K 1K R8 1 S1 14 13 o o 12 oi 11 o 10

TAKE ANY ONE OF THESE HANDBOOKS FOR ONLY $1495 VAL$ 10 IF; TO - when you join the ELECTRONICS AND CONTROL ENGINEERS' BOOK CLUB your one source fo

ftadue Ihaek Parti PIaee PARTS FOR PROJECTS IN YOUR NEIGHBORHOOD RS -232 Teester and Transient Suppressor (1) (2) (1) RS -232 Inline Tester. Dual -co

Table 1. Ranges and Currents for Digi -Ohm Module RANGE DISPLAY CURRENT 1. 10052 F.S. 2 . 1 KS2 F. S. 3. 10KS2 F. S. 4. 100KS2 F. S. 5. 1M

Fig. 4. Actual -size etching- and -drilling guide (A) and wiring diagram (B) for Digi -Ohm pc board. board has been designed to accom- modate

Fig. 5. Top view of wired Digi -ohm module (A) and bottom view (B) showing mounting details for CR/ and UI. appropriate positions that corres- pond

Table 2. DIP Switch Positions to Use for Different Ranges SW1 Range / Position 99.9 ohms 999 ohms 9.99K ohms 99.9K ohms 999K ohms 1 ON OFF OFF OFF

Fig. 7. Assembly details for putting together front panel, LED boards, DMS module and Digi -Ohm module. Detail at upper -left shows how front -pane

tion. The front -panel, LED -board, DMS- module and Digi- Ohm -mod- ule "sandwich" arrangement is illus- trated in Fig. 9. If you have

Project The Telephone Minder This handy accessory tells you if someone tried to call you when you were not at home By Anthony J. Cari$ti Have you ever

R1 220K R2 2 2K * U Telephone line -o C3 O 33F Cl 47pF D1 C`1N5245 (15V) IC1 TCM1520AP 7 C2 T 10pF Semiconductors D1- 1N5245 or similar 15 -volt zen

r Since power for the circuit is de- rived from the telephone line, cur- rent drain is kept at an absolute mini- mum (about 0.15 milliamperes,

hookup wire by removing % inch of insulation from both ends. If possi- ble, use a wire with a different color of insulation from the other five f

11111111/MODERN IIIllh/ELECTRONIcS THE MAGAZINE FOR ELECTRONICS & COMPUTER ENTHUSIASTS FEBRUARY 1988 18 _2 F 1 r'J4C»Z! 1 i ot. 21 C31 C7 &

Prn iort A Vocal Warning Burglar /Car -Theft Alarm When tripped, this alarm vocalizes a warning message to intruders and thieves and then sounds a pie

, LL N ,?^ 2 °o¡ I Ió - I 1 1 i U `_° á.L .L á O N- N Ú m + U á U N < m .--i0I-- Z o H ÇL J 6 = X N U N u. Z ,- Y CD Q ó N E iz u_ 1 ° U ó -

PARTS LIST Semiconductors D1- 1N4001 rectifier diode D2- 1N914A switching diode ICI,IC5- CD4093 CMOS quad 2 -input NAND gate IC2,1C3 -555 timer IC4 -7

C19 0.01µF R22< 50K: R20 R21 From 33K 33K IC 10 nn Pin 24 018 0.014íF o o 9Vac ARM C20 10µF DISARM 1A o C211_ 0 1µF RECT1 C22 T01µF C26 2200µF +5V

Listing 1. EPROM Program for First Message DECIMAL ADDRESS DECIMAL DATA HEX ADDRESS HEX DATA DECIMAL ADDRESS DECIMAL DATA HEX ADDRESS HEX DATA 128 4

y Listing 2. EPROM Program for Second Messag DECIMAL ADDRESS DECIMAL DATA HEXADECIMAL ADDRESS HEXADECIMAL DATA DECIMAL ADDRESS DECIMAL DATA HEXADECI

0 00 e v a0 I c-tN, I e e NE: p Fig. 3. Actual -size etching- and -drilling guide for logic, synthesizer and audio -amplifier sections of project

4 R19 -C12- R3 IC9 C16 XTAL C17 K -R20- a -621- C18 C20 N CC C15 D2 C19+ ll -R18- J JI C23 IC11 * -C22- -R23- -C25- ç2 SP KR GND- + 12V- CON C1 OUT 1C

Checkout & Final Assembly With none of the DIP ICs installed in their sockets in either circuit -board assembly, plug the project's line cor

Mathematical Variations of Ohm's Law By C.R. Ball Jr. German physicist Georg Si- mon Ohm discovered the relationship between volt- age, current

CABLE EQUIPMENT PRICES SLASHED WHILE YOU WAIT! Call Aunt Matilda at runic Cacle Co.. Inc.. and get a pleasant surprise. Instant price cuts even on

1111111/ ELECTRON/CS NOTEBOOK 1IIII!=111 By Forrest M. Miros III Light- emitting diodes can double as both emitters and detectors of light. This dual

detectors. The results of these experi- ments were quite successful. I also found that it is possible to transmit an informa- tion- carrying opti

ELECTRONICS NOTEBOOK ... Fig. 4. A simple LED -LED demonstration circuit. photodiode, I measured the external quantum efficiency of several GaAs

51 'YPOT SWITC1-1 1 ° SENID RECE,./E. Ti 2 oe o S. QI zUxzz7_ -9 V If 3 C2 O.1rF 2 C3 LoF 1 1M58Ó e CC, O. R2 1SK zY RS 1K 1.2K O.1r,F S1 o-

ELECTRONICS NOTEBOOK .. . Caution: You must wear protective glasses when cleaving glass and silica fi- bers since small slivers broken off during

OMPUTER PA RTS mA LORE IBM COMPATIBLE WIRED CARDS MULTIFUNCTION $79.95 NEW MONO /PRINTER $49.95 NEW COLOR /PRINTER $49.95 MULTI I/O $79.95 PRINTER (P

X1111 SOLID - STATE DE VICES I/Il/IL An intriguing programmable bit rate generator; digital /linear high- and low-pass filters; late -breaking news By

I.E11 CAB IIEStSktiStilt for your FREE CATALOG DIAL 1- 800 -426 -2653 or write: CABLE :ISTR1BUTORS PO BOX 1261, DEPT. M HOPE, AR 71801 ('WC11 29

SOLID-STATE DEVICES... Rate select A ) 23 Rate select B )22 Crystal input 2)- =- Crystal output 2- Reset )10 1.8432MHz Oscillator First divider 01 x

tributor or by writing to AMI /Gould, 3800 Homestead Rd., Santa Clara, CA 95051. A written request for data sheets should be made on company

NAM RADIO IS FUN! It's even more fun for begin- ners now that they can oper- ate voice and link computers just as soon as they obtain their N

NEI COMMUNICATIONS 111111 CAT Control of a Yaesu FRG -8800 with a Commodore C -64 Computer By Kjell W. Strom, SM6CPI The microcomputer brought many

Program Listing With Machine -Language Routines 10 REM 20 REM CAT CONTROL FOR YAESU FRG_. 8800 30 REM AND COMMODORE 64 40 REM BY 11ELL W. STROM.

COMMUNICATIONS Fig. 2. Interface circuit wired on perfor- ated board, using soldering or Wire Wrap hardware and a socket for the 7404. OFF command

They're Here! 11111111MtNi ics FUN PROJECT BOOKS You'll want these two exciting proj- ect books, packed with complete plans for building

VIII 1 ELECTRON /CS OMNIBUS /1111111 How to recover use of your TV/VCR remote controllers in a cable setup and finding buys at electronics flea market

Cable in converter Block VHF OUT UHF OUT Signal splitter Converter/ descrambler "A" Converter/ i descrambler "B" CH. J CH. 4 Si

1111111/ PC CAPERS IIIM IQ Technologies simplifies RS -232 troubleshooting and making letters with Bitstream's "Fontware" By Ted Needl

with a wiring diagram for a custom ca- ble! At $149.95, not everyone will rush out to buy one, but if you are spending a fair amount of time perusi

AMAZING SCIENTIFIC & ELECTRONIC PRODUCTS PLANS -L.0 LC7- BURNING CUTTING LOz ASEH RUB(- PORTABLE LASER RAY PISTOL TCC1 -3 SEPARATE TESLA COIL PL

MASTER THE NEW ELECTRONICS WITH McGRAW- HILL'S 11 po Beetr011iCS SeneS v The fast, easy and low cost way to meet the challenges of today's e

nformatìon radio is on the air. Before you hear about it on your old radio, hear it live on your new Inform- ant Information Radio. Whether its an al

X1111 SOFTWARE FOCUS By Art Salsberg The mouse input device gathered popu- larity when Apple Computer's Macin- tosh debuted. IBM'ers

went smoothly, even though a variety of options are offered. Using a bevy of op- tional, low -cost software packages un- derscored how quickly

Mobile Phones (from page20) 6. Full- duplex, hands -free operation is possible with the aid of the clip -on microphone supplied with the phone. De- t

9. This ORA Electronics antenna simply screws onto its mount, as pictured. Many different types and styles of cellular antennas are available to

JIIi/BOOKSI/III The Illustrated Handbook of Desktop Publishing and Typesetting by Michael L. Kleper. (TAB Professional and Reference Books. Soft co

Am N /7-800-344-4539/ AN Puort i flu o 2116818674 Tele 67627914 FAX - 216-681.3307 TWX 910350ESE7 DICI KEY CORP -- CC =it C O R P O R A T

PICKS UP A WHISPER 50 FEET AWAY! The model WAT -50 miniature FM tranmitter uses a 4 -stage circuit NOT to be confused with a simple wire- less

Competitive Computer Solutions, 5721 Bayside Road, Suite A 9 Virginia Beach VA 23455 7 Voice: (804) 460 -XTAT Modem: (804) 363 -BAUD T-- JJJJ..T LLLL

ADVERTISERS' INDEX RS# 35 ARRI 28 Antenna Specialists 9 C &S Sales 33 CTM 89 Cable Distributors 98 Cleveland Institute of Elec Comman

EXPAND YOUR CAREER HORIZONS... START WITH CIE. Microprocessor Technology. Satellite Communications. Robotics Wherever you want to go in electronics..

JIIll NEW PRODUCTS I/fili For more information on products described, please circle the appropri- ate number on the Free Information Card bound into t

ICOM RECEIVERS The World at Your Fingertips Only ICOM brings the world into your living room...HF, VHF, UHF, and low band receptions. 1COM is the

low light conditions. A flying erase head mounted on the rotating video head cylinder, provides exceptional- ly clean cuts between scenes. A high- s