AMERITRON AL-80B Spécifications télécharger pdf (Page 10)

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Tune-up your linear amplifier perfectly without over-

heating, tube damage, power supply stress, arc over . . .

AMERITRON QSK-5 High Power Transmit/Receive Switch

The ATP-100

Amplifier Saver

lets you safely tune

up your linear

amp-lifier perfectly for full power output

and best linearity.

It protects your expensive amplifier

from overheating, tube damage, power

supply stress and arc-over during tune-

up. It prevents premature failure and

costly component replacements.

AMERITRON’s innovative pulse

tuning technology lets you tune your

amplifier at full peak output power for

best linearity. It keeps average power to

a low safe level to prevent overheating

and power supply stress.

“Why can’t I just tune up at low

power to reduce overheating and compo-

nent stress?” you ask yourself. Well you

can . . . but if you don’t re-tune at high

power (which causes overheating) you can

create severe splatter and abuse your tube

grids because of excessive grid current.

If your linear uses tubes that are easily

damaged by normal tune-up, the ATP-100

could extend tube life.

“Sniff-out” RFI or TVI caused by

rusty guy wires, rain gutters, clotheslines

and others by generating full peak power

without amplifier damage. Also use to

evaluate wattmeters and QSK systems.

Set and forget internal trimpots let you

tailor duty cycle and pulse rate precisely

for your rig and amplifier. Plugs into

your rig’s CW key jack. Simply press

Pulse Tune button and tune your amplifi-

er normally for maximum power output.

Locking Pulse Tune and momentary

Carrier Tune buttons. Fully shielded all

metal case. 3

Wx1

Hx4D inches.

Uses 9 Volt battery.

Order ATP-100, $69.95.

ATP-100

Suggested Retail

This self-contained AMERITRON

QSK-5 Transmit/Receive Switch uses

electronic PIN diode switching to give

you lightning fast QSK operation

from nearly any HF linear amplifier.

It lets you use your linear amplifier

for high power QSK CW, for packet,

AMTOR and any mode requiring

extremely fast switching between trans-

mit and receive.

Installation is simple. Just plug in a

few cables to start enjoying QSK --

there’s no complicated internal wiring.

The world’s most advanced QSK

switch has new technology that’ll make

your amplifier last longer and prevent

TVI, RFI and key clicks.

AMERITRON’s exclusive

AmpSaver

(available in QSK-5PC)

completely turns off your power amplifi-

er tube current between dots, dashes and

words!

This new

QSK tech-

nology gets rid of unwanted power dissi-

pation that causes damaging heat. Your

expensive amplifier runs cooler so every

component in your amplifier lasts longer.

Our exclusive SureSwitch

handshak-

ing prevents “hot switching” RF power.

Prevents TVI, RFI, key clicks and possi-

ble damage to your amp.

The QSK-5 is six times faster than a

typical mechanical vacuum relay “QSK”

switch that can just barely keep up with

QSK transceivers. As radios get faster

and better, mechanical switching just won’t

be able to switch fast enough. Unlike

noisy mechanical vacuum relays, the QSK-

5 is extremely quiet -- there’s no relay

chatter keeping you from enjoying QSK.

Yo u won’t have to pay for QSK again

if you buy another amplifier. Unplug the

QSK-5 and use it with your new amp.

Handles 2500 Watts PEP and 2000

Watts CW in normal amateur service

when SWR is below 1.5:1. Handles 750

Watts on continuous carrier modes such

as RTTY, SSTV, and FM. Optional cool-

ing fan (CF-5, $39.95) allows sustained

operation at 1500 Watts in any mode.

Use with positive voltage keying up to +25

Volts. 6Dx4Hx91/2W”.

Internal QSK Available for the fol-

lowing AMERITRON models: AL-80B,

AL-1500, AL-1200, AL-82, AL-800, and

AL-800H.

Contact Ameritron for installation

details on the QSK-5PC internal switch.

QSK-5

399

Suggested Retail

ARB-704 will work with almost

any transceiver without the need of

the plug-and-play pre-wired cable.

The ARB-704 advanced interface

is compatible with all common radios

and amplifiers even though radios and

amplifiers do not have standardized volt-

ages, accessory plugs, or wiring. It’s

designed to work with any

amplifier/radio combination.

The input is designed to be compati-

ble with any transmitter or transceiver,

and the output is compatible with AC

control lines or DC positive or negative

amplifier control lines having up to 200

Volts peak open circuit voltage and 300

mA of operating current.

Why you need the ARB-704

Amplifiers can damage radios if the

amplifier has too much relay control volt-

age, voltage spikes, or excessive current

on the relay control line. Such damage

often appears as “stuck” or “sticky”

transmit relays in exciters or shorted tran-

sistors on transmit control lines. In most

cases where the radio is damaged, the

system transmits normally but the exter-

nal amplifier stays locked in a “transmit”

mode. This prevents receive signals from

coming through the

amplifier with nor-

mal levels whenever the amplifier is in

the “ON” or “OPERATE” position.

The ARB-704 has many electrical

advantages over conventional relay buffer

systems. The ARB-704 has no moving

parts, switches almost instantaneously. It

is noiseless, has very long life, and will

not develop dirty contacts. It operates

with negative, AC, or positive amplifier

relay control lines.

It works with any relay voltage

(AC, positive, or negative) up to 200

peak volts and any relay current up

to 300 mA. The ARB-704 is fully

compatible with conventional ampli-

fier relay systems. It is especially

suited for buffering vacuum relay

QSK amplifiers, since the ARB-704

does not affect attack or release times

in a deleterious manner.

The ARB-704 operates with trans-

mitters or transceivers that pull amplifi-

er control lines to ground, or output a

wide range of positive or negative con-

trol voltages. The transmitter only

switches currents under 0.35 mil-

liamperes and very low voltages when

using the ARB-704. Measures a super

compact 4

Wx1

Hx2

D inches.

PLUG-AND-PLAY CABLES

Cables are $17.95 each.

ARB-704 is supplied with the follow-

ing: 1. One power connector cord and

plug with red wire (+12 Volts) and black

wire (negative and ground).

2. Three phono (RCA) cord with con-

nectors on each end. These cables are for

relay, ALC and amplifier control lines.

ARB-704

INTERFACE BUFFER

ARB-704I2

for IC-706 series radios

(Includes PNP-13D)

AMERITRON Amplifier-to-Transceiver Interface

Protects expensive radio from damage by keying line transients and steady state current and voltages

Model# Transceivers

PNP-8D FT-1000/2000,(MP), 767GX,920,990,747GX

PNP-8M FT-890, 840, 817, 857, 897, FT450, 950, 900

PNP-35 FT-100, (D)

PNP-5M FT-847

PNP-7D TS-440, 690, 450, 180, 140, 950, 130, 870, 2000,

50, 120, 530, 430, 830, 850, 940, 570

PNP-13D All models of the IC-706 series, 718, 7000

PNP-7DK TS-930 (serial numbers lower than 309)

PNP-8MK TS-480

PNP-5D FT-980

PNP-8DI ICOM ACC JACK

PNP-7DI ICOM ACC 2 JACK

A plug-and-play cable is not

needed if your radio is not listed.

Deluxe Amplifier Saver

. . . with External Duty Cycle and

Pulse Rate Controls

ATP-102, $79.95. Deluxe version

has Duty Cycle and Pulse Rate

Controls on front panel for easy per-

formance testing of wattmeters, QSK

systems and other equipment.

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AMERITRON AL-80B Spécifications Page 10

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