Epson L90P - TM Two-color Thermal Line Printer Manual de usuario descargar pdf (Pagina 4)

POPULAR

ELECTRONICS

VOLUME

30

NUMBER

4

APRIL,

1969

WORLD'S

LARGEST

-SELLING

ELECTRONICS

MAGAZINE

SPECIAL

FEATURE

LINEAR

IC'S

FOR

THE EXPERIMENTER

Build

a mike

and other

projects

FEATURE

ARTICLES

BUILD

A POS -NEG

PULSE GENERATOR

Signal

source

for digital circuits

WHICH

TRANSFORMER

IS WHICH?

Quiz

on

transformer applications

POPULAR

ELECTRONICS

UNIVERSAL

FREQUENCY COUNTER

Part

2

BUILD

VHV SUPPLY

BUILD

THE RIOT

RESTRAINER

Control

rumpus

room noise

THE DIZZY MACHINE

The

latest

in medical

electronics

CONSTANT-

CURRENT OHMMETER

A supplement

to

your

VOM

BUILD

THE TOUCH

CONTROL

Uses

new

silicon

unilateral switch

"THIS IS

RADIO PEKING"

SIMPLEST

ANTENNA

BRIDGE

Improve

your SWL

antenna

system

POPULAR ELECOMICS

IC

TELLTALE

Test

digital circuits

BUILD AN

ELECTRONIC

SHUTTER CONTROL

ENGLISH

-LANGUAGE

BROADCASTS

TO NORTH AMERICA

THE

PRODUCT GALLERY

Squires-

Sanders Ultra

/Monitor

Terado

Tray- Electric Power

Source

AMATEUR

RADIO

New

Novice

license eligibility

SHORT -WAVE

LISTENING

SOLID STATE

CITIZENS

BAND JAMBOREE

CALENDAR

DEPARTMENTS

LETTERS FROM OUR

READERS

NEW LITERATURE

READER

SERVICE

PAGES

NEW PRODUCTS

TIPS AND TECHNIQUES

OPERATION

ASSIST

ELECTRONICS LIBRARY

27

34

FRANK H.

TOOKER

40

ROBERT P. BALIN

41

DON LANCASTER

46

47

PAUL

H. FUGE

A. J. LOWE

51

DEAN

WARE

53

ALVIN B.

KAUFMAN

56

L. G.

STRIGGOW

59

JOHN KIMBERLEY

66

JIM ASHE,

W2DXH

68

69

75

80

81

C. P.

TROEMEL

WALTER B.

FORD

ROGER

LEGGE

84

HERB

S.

BRIER, W9EGQ

87

HANK BENNETT,

W2PNA

94

LOU GARNER

105

8

14

15, 115

22

79

110

114

POPULAR ELECTRONICS

is

indexed

This month's Cover photo by

in the Readers'

Guide

Justin Kerr

to Peiodical

Literature

Copyright

©

1969

by

ZIFF -DAVIS PUBLISHING

COMPANY.

All

rights reserved.

POPULAR ELECTRONICS

April 1969,

Volume .30. Air

bra

y,

Pn6holrcl

r+

ullla 1

107

Aoatit

31/0,0,9

T-eene

Chicago,

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i;0601.

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offices. .1 th

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, Department,

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and I,,

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postage

in

rash. a,,bsrrip,ron

service and

Foras

579:

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li,lihuial

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4 POPULAR

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