Mitsubishi Electric MUX-25TV - E1 User Manual download pdf (Page 69)

one way to do a power -on reset.

Any

other

scheme that briefly brings pin 21

high after power -up will work

well.

One possible use for this

circuit

lap

or handicapped

keyboard.

Figure 4

shows a UART receiver

that ac-

cepts serial input

data and outputs parallel

words.

One obvious use would be for a

dot

-matrix printer

adapter for the Apple

IIc

personal computer.

That

bottom inverter requires

some

careful explanation. In

most fancy UART

systems, you need

full handshaking to

make

sure that each received

character

gets

used

once and

only once.

do this, the

or data ready pin goes high when

data

is received.

When the rest

whatever

the

UART is

driving accepts that

character, it

resets

the

UART by bringing the DRR or

DataReady

Reset line low.

For

some simple UART

uses, you in-

stead want

to just say "here is the data"

and immediately

get ready for more data.

The

bottom

inverter does this, outputting

a brief

negative pulse every

time a new

character

is ready to be

received.

Thus, you use

this inverter

when you do

not

want

need handshaking.

Note

that

the

UART will hang after one character

you do

not

pull

the IC's pin

18 low.

How

are figures

for this

column

drawn?

All four

figures in this month's Hardware

Hacker (and

all those that have

appeared

this column during

the past

few

months)

were

"drawn"

on an Apple IIe using the

stock and popular ProDOS Applewriter

word processor. The figure

drawing pro-

cess is sped up and helped

along by some

utility routines I have

put together on my

own. These

figure textfiles

are

written in

special yet

easy -to -use Postscript Ian-

guage. The Postscript

text

files

are printed

on a

Laserwriter

printer. The

images are

then photographically reduced

their

final page

size.

Note

than the quality of these images

vastly

better than anything that's currently

available from

any screen -oriented

graphics routine

on any microcomputer.

This happens because an

exact

text de-

scription is far and away the most power-

ful, most

flexible, and most exact

way

wringing

the ultimate performance out of

the Laserwriter.

With

the

right

utilities, exact text

de-

scriptions of electronic figures can actually

be done

faster

and much

compactly

than by using screen graphics programs.

For instance,

Fig.

took about

12 min-

utes to "draw." The final Postscript file

ended up pretty much the same size and

with

just about the same

complexity

as an

ordinary business

letter.

MÄár°

508 Central

Ave.

WasYiNd N.J. 07090

(201)

65441009

15 Pln

Header 8 Mating

Socket,

Vert MT /PC

156"

Centers

, 5/1

-'i

Jumbo

Green LED's 15051, 1001iß.

3,300.035V AXIAL -1 '5' x'4'

NIGH

2/.95

Coils For Radio

Elec's Feb.

Protect.

Toko

0'S T-1,

T -2,

L-1

(12uH)

8 L -2 (.071

uH) Complete

Set 01

All

Coils

8.50

MC1330-

Prrme(Moto)

2/1.00

8F085

Transistor

Disc

Caps .001u1... .. ..

20/1.00

74123-Prime

(Nat) 3/1.00

470uí

35V

(Radial).

3/1.00

470u1 16V

(Asia' .

4/100

2N3904

10/1.00

2N3906

10/100

1N914

40/1.00

1N4148

40/1.00

N5231

(5.1

V.Zener Diode

1.00

Voltage Regulators PnmeT

220) 7805.

7812.7824.7905.7912

-Mix or Match-3/1.00

MicalnsulatorsFor

TO- 220Pkg

20/I00

Voltage Regs

(Unmarked. 60%

Pnnle)

May

Include Po

itiv

INeegg&

Adjust 15/1.00

78L08 Voltage

Reg

(DM

o6.T092).20/ 1.00

2N3055Á

......1.50

Logic

Probe (Pencil Type)

18.95

LogicaPulser (Pencil

Type)

18.95

Relay -SPST

112V1Coll, Normally

Closed 1

Contacts Open When

Energized .....95

Edgecard Conn 15/30

.156'

Ctrs ...AZ

6/32

Screw

-In

Stand Off Terminal

211/í1

LM309K

(MC7805CK) Regulator .75

Cent (.15) Per

IC 74LSXX

74L502

741532

7415158

74LS08

741574

7415174

741510

741S86 7415257

741320 74LS153

74LS273

Cent

(.201

Per IC

CMOS

40018 4011B, 4050B,

40518

. úí 100V Mylar Cap

(N)

ZOlil

2716

Eprom 1 45

2732

Eprom 195

2764

Eprom

245

27128 EPROM

256K

Dram

150ns

Prime Hitachi

(Ideal

For

Mac

Uppggrades&

Expansion Protects)...

4.95

8243 (I/O

Expender IC)

W /Specs.

2 95

UON 6118

(Display

Driver IC-

Specs)

CN411ÑPÑOcJFr

DwCbkIC-Spers/1

( TO.92)Plastic 1Ulil

LM380(ULN2280)

.45

555 Timers

4/1.00

NE556

(Dual Timer-Moto)

741

OpAmp 4/100

LM131O(Unmarked. Tested

Prime)

LM1889

LM3900

AM /FM Radio IC

(02204

W /Specs

-Hobby

15/1.00

Sockets

8 PIN/

.07

PIN/

.13 16

PIN/

.15

PIN/.17

20 PIN/.19

22 PIN/.21

24 PIN/

.22

PIN/

.24 40 PIN/

.39

7 Segment

Displayl3"

CommonCath) ....15

men[Display(.6

"Common Ann) ....65

Tri

S ate

LEDs.

3/1.00

Jumbo Red

LEDs -51,100/

Lens,

Prime

All

Mounting Clips

100/56,1,000/55750

LED MountingChs

li Rings 15/1.00

1uF200VM

iar y

Rim (AX)

15ß1

UDN7180

(Segment

Driver IC/Data).

Dip

Swtch-

Position

2/1 00

Dip

Switch

-8

Position

4/1.00

Keyboard

Push

Button Tops

30/1.00

Audio

Cable

Feet/1.00

22AWG

Wire

Feet/1.00

27AWG

Wire

50 Feet/1.00

Mini

Lubricator (A

Lubricant) 100

Molex Pins(7

PkVSinp110O/52.600/$41

K/SS

MC1458

(dual

7411' 1051.00

ULN2274 (duall

audio

power amp)...

75e

Rotary

Spwiitach (5 Position,

125V

//-

3/1.00

Giant

(35

5 Total)

Red LED Matrix/Specs-4.95

LED Bar

Graph Display-

2 -3/4". Rect

LED's(Speci

Red.

Grn,Ambl Specs ...

2.69

SevenAAmnipp1 TappodTranstom

`-Can Be

Wired

Fpr17.5

,9V,15V.

186)

RegSllpg

...

895

Wall

Plug

Transformer -24V

525mA.... 1.50

6.3V 1.2A

Transformer

12V

Center

Tap

Transformer

.. .

2.50

9AMP

200V

BRIDGE.

QUICK DISCONNECT

(611.95

N4007

20/1.00

1N5059

(200V

Amp)

15/1.00

1N5060

400V 1

10/1.00

Zener

Diodes-20V

30 /1.00

Zener

Diodes-13V

Glass

30/100

2560.OKC

Crystal . 50

3.579545

Color Burst

Crystal

(HC-18)

1.0

Mhz

Crystal

195

Mhz

Crystal

195

TO-5

Heat

Sinks 'Bern)

. -.-

/1 00

TO-18

Heat Sinks

(Bern)

10/1.00

Super

Sub-Mini

Ceramic

Caps (All 101

0015uí 100V

(152)

30/100

0022uí

30/1 00

0027u1100V

1(27

30/1.00

.0033uí 100V

3321.

30/1.00

0039uí

100V

3921...

_ _

30/1.00

005uí 100V

(562) . 30/100

0082u1 100V

(822)

.. ' ..

30/ 100

4 7uí

40V Lybc

20//00

47uí

25V LyticiHHadiaq

... . ß_._1W1.00

t000uf

185V

Twist

Lock

1.00

3200uí

50V (Ideal For Power

Supplies)

-1.00

5600uf

25V

(Comp

Grade 3 -5

/8"X

1)-

3/1.00

rut 50V Monolithics

/1.00

.01 ul

50V

Monolithics

...

20/1.00

Chip Caps -Set of 4,

2 Each 2.7 8 3.3113f;

.0000

33uí

100V

Dip Mylar 10

/1.00

IN4004

Diodes

30151.00

Pots

-1 Meg,

Linear Taper

5/1.00

Motion

Detector

Bds(Inc IC

-52)

. .

7/10.00

Mot

Det

(IC

Only- ULN2232A)

3/52- 20/10.00

Project

Box/Lid For

Detector 1

Miniature

Speaker For

Detector 55

Extensive

Construction Article

For

Det.

Knobs

15/1.00

Ammeter

(0-15

AC.

Ares)

4 95

Volt/OHM

Meter

MVMNT

101K

OHM,

0300h

2 95

6V Miniature

Gear Motor

.50

Chokes

-1.8uh

82uh 12uh

22uh- 10/1.00

40 Pin

Insulation

Displacement

Connector

.40

50 Pin Insulation

Displacement

Connector .50

14 Pin

Dip Header

Plug/Mate

(3M) .

..3/1.00

Mixed

Connector

Ass't

10/1.00

$AMP

50V

Bridge

(GI,

TO-5

Pkg) .50

25AMP

200V Bridge(Solder

Lug

Term1 1.50

Zenith

Replacement IC

Spacial81

Each

221 -42,

221

-43,

221 -45,

221

-48,

221

-69,

221-79,221-87,221-96,

221

-104,

221 -105,

221 -106,

221 -140

250900(1+30z Output

W /Damper

Diode)-2.95

2SC1172B

(Toshib-Horia

Output Trans)

-1.95

Winegard

BBauyyBowtie

UHF Antenna-

Precision

(Multi-Turn)

Trim

SPots

(Copal),

100

OHM.

C2 1

Miser

PT-

10VHorMt(SIInnneglls.TuVm

1TÁ,3/52

100

OHM, 1K,5K,10K,25K,50K,1'0OI1,2MK,

500K,1M

25 EACH

Mixed

Coil

Ass't ... .........

10/1.00

Buzzers

3/1.00

Chip Resistor

6.ßK)

20 /1.00

Chip Resistor (4701Q

20 /1.00

Chip

Cap(33Opti

20 /100

36 in

t Angle

Headerconn.

504

MRF901(HobbyGrade-6091iGooq

10/1.00

Asst

(Hobby

Grade. Some Marked)-30/S1

74SC374

-D Type

Flip

-Flop.

Non /Inv

74SC533- Transparent

Latch-1nverted

74SC534 -D Type Flip -Flop, Inverted

745C540-Octal Buffer

/Line

Driver

-Inv

74SC541 -Octal

Buffer /Line Driver-N /I

74SC563-Transparent

Latch.

Inverted

74SC564

-D Type Flip -Flop, Inverted

74SC573- Transparent

Latch. Non /Inv

74SC574 -D Type Flip -Flop. Non/Inv

Data Book

For All Above

a's...

2 50

Cypher

IV Micro-Controller

KIP

$129.50

MHz. 8 -Bit Microprocessor

(NAT 1 NS8073)

Control Basic

Interpreter

-Chip

Auto-Start

Operation

At Power -On

Fast 16

-Bit Multiply And Divide

-232. Supports

CRT

Serial Link

24 Bi-Directional

I/O

Lines

(8255A)

RAM Memory-2K

Expandable

To 16K

Eprom

Memory-

Expandable To

16K

Built

Eprom

Programmer

Parr

(Centronie) Printer Interface

Optional

Real -Time

Clock

W /Backup

Pay TV Hardware

Installation

Kit Blow Out

As Low As

52.95

- 53.50 Shipping

Per Unit

All Kits

Contain

Connectors. 300

OHM Balun 300 OHM

Terminal

Block

2 Ft

OHM

Patch

Cord 2

300 OHM

Twin Lead.

Nylon Cable

Ties. And

UHF

Antenna

Model

*4124 -52.95

Includes All Of

The Above

Plus

Feet

Coaxial Cable

And

Mounting Hardware For Indoor

Wall

/Ceding

Installation

Model

*488052.95 Includes All

The

Above

Plus

Feet

Coaxial Cable

And

Attractive Expandable

Pole

/U-Bolt

For

Easy

Indoor Installation

Model

*4845

-$3.95

Includes All

The

Above

Plus

Feet

Coaxial

Cable

And

All

Necessary U-Bolt

Hardware

t M0OL 705 Digita(

Multi meter

Cent

(.20) 74SCXX

Series

Special

Octal Interface

Circuits

Equivalent To

741$XX

Series

Low Power ISO-CMOS Technology

Short

Propagation

Delay

Improved Noise Margins

High Current, Sink/Source

Capability

74SC137 -1

018

Inverted

Decoder. Latched

74SC138.l

018

Inverted

Decoder

74SC139

-1 Of

4 Inverted

Decoder

74SC237

-1

Of 8

Non -Inverted.

Latched

74SC238

-1

8 Non

-Inverted

74SC239-1

014 Non

-Inverted

74SC240Octa1

Buffer

/Line

Driver

-Inv

74SC241

-Octal Buffer /Line

Driver

-N

74SC244

-Octal Buffer /Line

Driver

-N /I

745C245-Octal Bus

Transceiver-Non'i

74SC373-Transoarent

Latch-Non

/Inv

Dc voltage

Ac voltage

DC Cuitent

Currant

Hblo Reebwu

Diode

ITeste

H sr

twt

100MV to 10005

1000V

750V

0.1

10A

0.10A to 10A

0.1p to MAD

lpF

to 2014

toward voltage

'wing

translator testing

55195

UHF -TV

PREAMP

(As featured in Radio

Electronics

March/

May

articles.

1982)

This inexpensive

antenna mounted

pre

amp can add

more than

25 dB of

gain

your

system.

Lots of

satisfied customers

and

repeat

orders

lot this high Quality kit,

which

includes

all component parts.

BD,

Case.

Power Supply and Balun $34 50

Assembled Version ....

55750

Tarim

MICRO-MART

accepts

Visa, MC

and telephone

COD's.

Minimum

order

510.00

Shlppirg-

U S orders. $2 00

Canada

and other countries

$3.50 (includes

ins

Shipping

rate

adlusted

wtere

applicable

resnlentS

add

6% sales

tax

MICRO

-MART

508 CENTRAL AVE.. WESTFIELD,

07090

(201)

654 -6008

Say You

Saw It lit

Modern

Electronics

CIRCLE 33

ON FREE INFORMATION

CARD

April /986

MODERN

ELECTRONICS

/ 81

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 83 84

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Mitsubishi Electric MUX-25TV - E1 User Manual Page 69

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