Elenco Electronics MO-1251 Manual de usuario descargar pdf (Pagina 8)

cros

are 12 inches or less in

their

longest dimensions.

Ultra Max and Max Airwaves

are

sold individually, for

the sug-

gested

retail

prices

$80.00

and

$30.00, respectively.

Micro

Airwaves

are sold

pairs for a sug-

gested retail price

$30.00.

Hyman

Products, Inc., 2392

Grissom Dr., St. Louis, MO

63146;

800 -235

-1542.

HIGH

-RESOLUTION

DIGITAL

STORAGE

OSCILLOSCOPE.

The

Philips

PM 3320A

digital- storage

oscilloscope,

with 200

-MHz band-

width, real -time

sampling

rate

250

/s, and

-bit resolution,

ideally

suited to capture

single

events. Using random

repetitive

sampling, its

full 200 MHz

can

used for waveform

digitizing

and

storage.

The dual -channel

scope

also

offers an on -board

Fast

Fourier Transform

option that

gives

the user

an overview

of the

frequency

spectrum

of the incom-

ing

signal.

Two powerful

acquisition modes

are available

to capture

signal de-

tails exceeding preset

limits:

Save -

on- Difference

and

Stop- on -Dif-

ference.

Those features

compare

the incoming waveform

with

one

in memory,

and record

the new

waveform.

The

time of capture is

noted as

soon as a difference

ap-

pears between

the two

signals due

to jitter, spikes,

or amplitude varia-

tions. The Absolute

Min /Max func-

tion

creates an historical

record

a large number

of traces,

and can

be used

to set

the Save /Stop

-on

Difference

parameters.

Extensive

cursor -measurement

capabilities

indicate

the absolute

level

of the input

signal to

ground,

the

voltage

difference

between

two

channels at any given points

time (the PM

3320A automatically

accounts for

the attenuator

set-

tings),

and the

time difference

be-

tween any points

-even

between

two channels.

CIRCLE

12 ON FREE INFORMATION CARD

Other

automatic- measurement

functions

are RMS voltage,

per-

centage

overshoot

and preshoot

for

step functions,

and

continu-

ously variable

rise

and

fall

times

including

the two preset

options

10-90

percent

and 20-80 percent

for ECL

applications.

The PM

3320A

also provides

automatic

pulse

width,

duty

-cycle and phase

measurements,

division for ratio

measurements,

integration,

and

differentiation.

For

ease of operation,

the Auto

set function

automatically

selects

amplitude,

timebase, and

trigger-

ing for

instant

display of any input

signal

at the touch

button. As

many

250 front

-panel

setups can

be stored and instantly

recalled

individually

or in sequence

when needed.

Other features in-

clude menu

-driven

softkey opera-

tion for

direct access

to over 200

subsidiary functions,

an oversized

CRT for

enhanced

on- screen dis-

play,

and IEEE -488

-232 com-

patibility for

systems use

and

for

hard

-copy

output to plotters and

printers.

The

Philips PM

3320A digital

storage

oscilloscope has

a sug-

gested list price

starting at

$8,990.00.

-John

Fluke

Mfg.

Co.,

Inc., R

O. Box C9090, Everett,

98206;

800 -443 -5353,

ext.

77.

REMOTE

ENGINE

STARTER.

Clifford

Electronics'

Smart Remote

Starter lets

the

owner

start his

car's

engine

and

accessories

from

as far

as 400 feet

away,

with

a miniature

remote

control. He

then has

ten minutes

get

to the

car,

which

will

have

a warmed

-up en-

gine,

defrosted

windows,

a com-

fortable

interior

temperature,

and

preset

selections

on the

stereo.

The

system

-whose

artificial

-in-

telligence

algorithm

uses parallel

processing

with

dual high -speed

microprocessors

-starts,

super-

vises,

and controls

the

starter,

en-

gine,

brakes,

transmission,

and

accessories.

soon as

the

remote

control's

digital -code

signal is re-

ceived (which

the system

acknowl-

edges

by flashing

the car's

parking

lights),

several safety

checks

are

automatically

performed.

Once all

safety

checks

pass,

the engine is

started,

and any preset

accessories

are activated.

CIRCLE 13 ON FREE INFORMATION CARD

the engine doesn't start,

starts

and then stalls, the Auto

Restart

feature will

automatically

try to

restart

the engine

three

times. While

the engine is idling,

the Smart Remote

Sensor protects

it from

excessive

RPM's

and over-

heating.

If anyone

other than the

driver tries

to open the hood

drive the vehicle,

the system

im-

mediately

shuts down

the engine.

It will

even prevent grinding

of the

starter

the driver

inadvertently

tries to start the

engine

when it's

already

running.

For

safety reasons,

the

system is

designed

to work

only on vehicles

with automatic

transmissions

and

electronic fuel

injection.

The

sys-

tem can recognize

if anyone

tries

use

another

type

vehi-

cle, and will

turn itself

off,

The

Smart Remote

Starter

can

easily

be programmed

to respond

to as many

three additional

Clifford remote

controls,

even if

each

one uses

a different

digital

code

or is

of a different

type.

The

suggested

retail

price for

the

Smart Remote

Sensor,

includ-

ing installation,

$550.00.

Clifford

Electronics,

Customer

Ser-

vice

Department,

20750

Lassen

St.,

Chatsworth,

91311

MATHEMATICAL

-TYPESETTING.

Technical Support

Software's

EXACT 3.1 mathematical-

typeset-

ting

program

allows users to add

complex mathematical expres-

sions to documents produced in

WordPerfect

5.0 or Microsoft

Word 4.0.

EXACT is

RAM -resident

pro-

gram

that cooperates

with the

user's

word

processor

to allow

creation of complex

mathematical

expressions. Because it automat-

ically shares the screen and the

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