Hammond HL-1000A Instructions Manual

HAMMOND MANUFACTURING COMPANY LIMITED
394

EDINBURGH

PHONE

(519)

HAMMOND MANUFACTURING COMPANY (U.S.)
1690 WALDEN AVE., BUFFALO,
PHONE (716)

EFFECTIVE OCTOBER

RD.

GUELPH, ONTARIO

822-2960

894-5710

TELEX: 91-6452

1980

OR

(416)

NEW

N1H 1E5

456-3770 TELEX: 069-56523

YORK 14225

INC.

HAMMOND

yVMNUF/OURING,

COMMUNICATIONS
PRODUCTS

DIVISION

VERN

YE3KPD

SERIES

HF

LINEAR

AMPLIFIER

HL-1000A

HF

LINEAR

HL-1000A

AMPLIFIER

HL

HF

LINEAR

HL-1000A

H/MMOND

/M/NUF/OURING..,

AMPLIFIER

FEATURES

BAND COVERAGE

TUBE
COMPLIMENT

COOLING

ALC
SAFETY

POWER
TRANSFORMER

POWER SUPPLY

INPUT
OUTPUT
LINE
METERING

TRANSIENT
PROTECTION

CIRCUIT

CIRCUIT

VOLTAGE

10M,

15M,

20M, 40M,
Amateur
May
Government
(Consult Factory)

(1)
Forced

(Continuous Duty Squirrel
Cage Blower)

Adjustable,
Interlock

AC
Special Hammond Transformer

120171
duty operation rated

800VA

Computer Grade Capacitors
Max. Reliability

PI—Input
Full
120VACor240VAC
Plate

Grid
Plate
Relative

Primary,
Surge Suppression

Bands

be

expanded

3—500Z

Air

for

Line

and

designed

— 60 Hz —

Circuitry

Pi-L

Network

Current

Current

Voltage

Output
HV and

or

other services

Zero Bias Triodes

Chimney

(Negative)

Imput

Cathode Circuit

80M,

for

Mars,

Cooling

AC

100%

for

continuous

at

Weight

for

each band

Filament

21.5

Fig.

3

Fused

Lbs.

for

SPECIFICATIONS

FREQUENCY
RANGE

DRIVE
MODE & DUTY

CYCLE

RF

PLATE

CIRCUIT
CONFIGURATION

INPUT
HARMONIC

SUPPRESSION
INTERMODULA-

TION

PRODUCTS
ALC
TUBES
POWER

REQUIREMENTS

DIMENSIONS
WEIGHT

POWER

INPUT

POWER

VOLTAGE

MATCH

DISTORTION

3.5

HMz to

(Amateur
75W

SSB
CW — Continuous
RTTY

SSB — 1 KW PEP

CW
RTTY

SSB — With Resting Current

2400VDC
AB2

50 n (16 dB

Depending
Utilize

In

excess

Negative, Adjustable (-8VDC Max.)
One
120/240VAC,

Primary current

Primary
8"

High x 16"

65

Lbs.

29.5

HMz

Bands)

to

125W

Continuous

— 1 KW

— 1 KW

Grounded Grid

RF

3-500Z Zero Bias Triodes

Continuous

Continuous Input

Return Loss)

on

Exciter -40dB

Inverse Feed-Back

of

-33dB

at

standby,

current

or 30 Kg.

at

full

load

Wide x 15%"

Input

4.5A

14.0A
Depth

Fig.

4

INTRODUCTION

The

Hammond

HL1000A

HF

Linear Amplifier

is a

one-stage

Page

2

linear
Triode.
top
the
only
design

for
between
modified
commercial

The
re-wired

amplifier using

The
unit capable
past tradition

the

highest quality components were used

of

this amplifier.

SSB,

CW,

3.5 and
for

or

HL1008A

for 230 vac

PLEASE

before attempting

unit

one

is a

of

1000 watts

of the

glass envelope

completely self-contained table

HL500

The

RTTY

or AM

operation

29.7mHz.

The

amplifier

frequencies outside

military

comes

factory

applications.

wired

operation.

READ

INSTRUCTIONS

to

operate

input.

and

HL750

3-500Z

In

keeping with

series amplifiers,

Eimac

in the

amplifier

on the

the

is

designed

amateur bands

can be

factory

amateur bands

for

for 115 vac but can be

carefully

the

and

fully

amplifier.

present inside
is

in ON

while

the AC

cautiously

INSTALLATION

1.

Remove

examine
immediately

There

are

very dangerous voltages

the

amplifier when

position. Removing

power

and

the

amplifier from

for

damage,

if any

with

is

connected must

the

utmost

(notify

damage

the

the top

care.

the

shipping carton

the

is

transport company

present.)

power
cover
be

done

and

Page

3

2.

Save

3.

The

the

or

storage.

3-500Z

must

be

any

way.

carton

triode tube

for

future shipment

is

shipped separately

to

another location

installed before operating amplifier

and

in

Page

3.

4. The

following accessories should

your

HL1000A

(a)

Instruction

(b)

Warranty Card

(c)

Shielded Control Cable

(d)

Extra Fuses (Cathode l A)

amplifier:

Manual

OPERATING LOCATION
The

amplifier must

the

flow

should

vac

AC

INSTALLING

1.

Remove 4 bolts from bottom

of air
be as
source

TUBE

close

to

carefully slide
the

rear

of the

be

located

from

the top is

as

possible

minimize

(See

Figure

the
cabinet.

any AC

inner part

be

(ABC-15)

in an

open area such that

unrestricted.

to a

reliable

voltage drop.

4)
of

linear cabinet

of the

included with

Location

115/230

and

unit from

2.

Remove

giving access

of the

3.

Put the

not to

the
damaged.
Remove
on

top of the
and
is

positioned directly above
anode

plate

the

perforated

to the

top

cover

interior

amplifier.

3-500Z

exert

glass portion

Fasten

the

plate

lead

tube

any

screw

tube

until

in the

lateral

of the

the

plate lead

socket.

or

twisting pressure

tube.

in the top of the

and

flex

the

the

mounting hole

the

connector.

Insert

the

screw

lead firmly while tightening

of the

of the RF

The

to the

amplifier

section

Be

very careful

tube

is

anode

anode connector

parasitic choke

in the

screw hole

and
the

hold

screw.

on

easily

connector.

plate

in the

the

Do

not,

too

great a pressure

in

the

anode connector

under

or

or

any

circumstances,

exert

twisting, bending motion

glass portion

of the

tubes.

Page

4-.

Excessive pressure
in

the
The
and
and

4.

Replace

off

tubes'
tubes'
can

easily break

glass envelope, destroying

pins

removed very carefully.

the top

until

the

amplifier

can

are

also particularly

shield

CABLING

All

the

amplifier

AC

POWER CABLE

The

following cables must

is

operated.

HL1000A amplifier comes from

cause a hair-line fracture

the

delicate,

if the

but

tube

leave

has

been connected

be

connected before

the

is not

the

factory wired

inserted

outside cabinet

and

tube.

tested.

the

for
operation from
The

green wire

must

be

connected

that

you

select
The
two
the

AC

input

black
pins
Belden

and

for the 120 vac

AC

socket.

a 120 vac

in the

to the

for

connection

white wires must

single

power cord

phase,

is the

neutral primary

into

be

operation.

the

connected

The

cord plugs directly into

60 Hz

ground

power source.

wire

of the

plug

power line.

to the

other lead

the

rear panel

and

other

of

Page

5