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

For

(115,vac

operation,

it is

only necessary

to

change

Page

5

several
on the

See

Figure

#14

Jumper

FIGURE

jumper connections

power transformer

1.

220 VAC

THIS

06-

i.

05
04
03
02
01

1 -

Power

line

terminal strip

on the

in the

#14

Jumper

terminal strip located

power supply compartment.

115

VAC

06
05
04

03-i
02

#1-4

Jumper

01-

connections

wire

(s) is
disconnect
jumpers

ANTENNA COAX

Use

only

the

HL1000A
with
panel

RG

the

amphenel connector marked

of the

The

amplifier will

connected incorrectly.

AC

plug from

on the

8/u
to the

amplifier.

terminal strip.

coax

antenna.

(or its

The

be

damaged

the

amplifier before changing

equivalent)

antenna connector mates

RF

out,

Be

to

connect

on the

if the

sure

orange jumper

to

rear

Page

6

a

load

Do

not

operate

or

into a load with

the

amplifier without

SWR

greater

than

2:1.

Page

6

Measure

in-line
is

in

the

antennas'

Watt-meter

fact less than

With standby/operate switch

exciter

to

the

output will pass through

antenna.

The

amplifier does

accomplish this bypass.

INPUT CABLE

A

cable must

to

the

SO-239

be

•

connected from

RF

input connector

amplifier.

ALC

(AUTOMATIC LEVEL
Plug
panel

the ALC

(marked ALC)

cable into

CONTROL)

the

and

into

SWR

and

determine that

2:1.

in the

the

the

on the

CABLE

phono

jack

the ALC

with

an SWR

meter

the SWR

STANDBY position,

the

amplifier directly

not

have

output

rear panel

located

to be off to

of

your exciter

on the

of the

feedback connection

or

rear

(or

equivalent)

have

provision

then simply omit

on the

for

exciter.

feedback

the use of the

If the

of ALC

cable.

voltage from

ANTENNA RELAY
A

control cable should
marked
This
switch
be

(or

a

shorting relay contact (during transmit)

antenna relay

cable connects

the

amplifier

plugged into

equivalent)

the

on the

be

plugged into

on the

the

to the

socket

exciter.

rear panel

keying signal from

transmit condition

or

connector marked antenna relay

The

the
of the

exciter need only supply

exciter does

the

phono socket

amplifier.

the

exciter

and

must

to key the

not

amplifier,

to

amplifier.

.....Page

7

Do

not

apply

any

voltage

to the

antenna

Page

7

relay

phone jack.

by a self-contained power supply.

OPERATING
Refer

OFF/ON POWER
This switch

CONTROLS

to

Figure

2.

SWITCH

is

used

Off.

*

MULTIMETER SWITCH
This

4--positiori

of

the

multimeter

pushbutton switch selects

HV

The

for

as

described below.

internal relay

turning

the

is

amplifier

the

activated

on and

function

With

the

switch

the

amplifiers'

in

this position

with

the

amplifier

is

about

2500

in

this position,

plate voltage.

is

3000

iri

VDC.

the

standby position

The

Normal plate voltage

VDC for SSB and CW

the

meter monitors

full scale reading

(unkeyed)

operation. Line voltage
variations will cause corresponding variations
plate voltage. (Note: Reading

for

plate volts

GRID

With

the

switch

the

amplifiers'
reading
grid

ma.

tone

in

current during

Maximum

is

14-0

this position

in

this position,

grid current.

SSB on

tune-up

rna

marked

The

is 150 ma

peaks

grid current

on the

dial

the

meter monitors
full scale meter
DC.

The

is

approximately

nominal

in SSB or CW

as a red

bar.

in the

is

X10<P.

100

single

Page

8

RF

The

meter monitors

the

output power.

It is

useful during

Page

8

tune-ups

STANDBY/OPERATE
This switch allows
the

standby position,

through

In

the

STANDBY/OPERATE

for

verifying resonance

SWITCH

the

linear

operate mode

LIGHTS

the

exciter bypass feature, i.e.

the

power

and

appears

the

linear

These pilot lights marked standby
the

.mode

status

the

of the

light

standby/operate switch.

is red and in the

ZENER FUSE
This
use a

.5 amp

higher amperage fuse than

fast-bio fuse

is the

on

each band.

of the

at the

is

ready

and

exciter feeds

output

for

connector.

transmitting.

operate indicate

In the

operate mode green.

cathode fuse. Never

the one

specified.

in

standby

TUNE CONTROL
The

tune control

variable

100 to 0

and

minimum

in the RF

indicating that maximum capacitance

at
control settings
3 for

your convenience.

is a

vernier dial connected

section.

The

disc

zero. Approximate settings

for the

amateur bands

LOAD CONTROL
This control matches

the

load.
settings
of

100

0

represents minimum capacitor setting.

Refer

for the

corresponds

the

amplifiers output network

to

Figure

3 for the

frequency range desired.

to

maximum load capacitor mesh

to an air

dial

is

screened

is at 100

are

for the

given

tune

in

Figure

to

approximate initial

A

load setting

and

Page

9

BAND
The

band switch selects

the

applicable input

and

output

Page

9.

circuits

for the

bands:

(a)80
(b)40
(c)20
(d)!5

(e)10

REAR

meters
meters
meters 14.0
meters 21.0

meters 28.0

PANEL CONTROLS

Figure

RF

OUT:

Nominal
equipment

output impedence

without a load

3.5

7.0

linear

3.

HL1000A

to 4.0
to

to

to

to

to

7.3

14.35

21.45

29.7

Never

mHz
mHz

mHz

move

amplifier

is 50

or

operate

in any one of the

mHz

mHz

the

band switch while

is

keyed

ohms.

or

operating.

Do not

into a load where

following

the

operate this

the

SWR

is

greater

to

connect

RF

IN:

This
from

that

to an

amphenol

an

exciter.

2:1.

ZENER FUSE:
This

fuse protects

It is a 1 amp

ANT

RELAY:

This

is a

amplifier

phone

antenna relay closes.

Use

appropriate

only RG-8/u coax

antenna

or

or its
dummy load.

type SO-239 connector accepts

the

cathode circuit from

fast-bio type

jack

input that when shorted

of

fuse.

equivalent

the

drive coax

over-current.

to

ground

the

Page

10

ALC

ADJUST:

Page

10

This potentiometer controls
ALC

cirucit.

ALC:

The ALC
to

this

AC

MAIN:
These
They
any

GND:

"Shis
be

connected
interference

feedback
socket.

are the two

are ABC

other

lug is

ceramic

types.

provided

to a

or the

(negative)

fuses

for the

type

to

ground

and

good earth ground

danger

the

sensitivity

to the

main

must

the

of

electrical

exciter

115/230

not be

of the

is

available

VAC

substituted

HL-lOOOA's

mains.

for

amplifier. This should

to

minimize radiated

shock.

AC

INPUT:

This

is the

Belden power cord. Note

arid

the

of

the

power cord

in

the

socket.

this

socket.

main input

fact

that

the
when

No

other cord

AC

socket

the 3 pin

centre

ready

that accepts a heavy duty

arrangement

pin is

for use

is

ground. Push

until

recommended

OPERATION:
Preliminary Settings Settings

(1)

Standby/operate

(2)

On/off

As

lamp

switch

soon

as the ON

should light
Look into
the

uube

filaments

the

switch Standby

On

switch
RED and the

interior

are lit and

is

activated

of the

meter's a soft yellow.
linear

that there

the

to

on the

it is

for use

the

fully seated

socket
plug

with

standby pilot

make sure that

is a

flow

of

air

£rom

by

putting your hand over each tube from

feel

the

the

flow

of

top of the

air.

Page

cabinet.

This

can be

done

the top to

11

(3)

The

Push

3-500Z

require

HV on the

no

warm-up

time.

multimeter switch.

Page

It

should read approximately

11.

24 - 26

(4)

Switch multimeter switch

(5)

Switch "band" switch

(6)

Pre-set tune

to

in

SSB

OPERATION:

(7)

With exciter adjusted

switch
to

go

•(8)

The

approximately

(9)

Increase

grid

indicating a plate voltage

and

load vernier dials

calibration chart figure

of the

into

amplifier's

the RF

current

^^^^™

exciter causing

the

transmit

plate current meter should register

90

ma^P

output

is

about

'

for a minimum plate current reading indicating resonance.

to

GRID.

to

desired band.

for

zero output press

the

mode.

of the

110

exciter until

ma.

Adjust

--._>

of

Z#

HL-1000A

2400-2600.

to

that referred

the

and the

the

the

tune control

exciter

amplifier's

^

If

the

load control

will

be

approximately
less than
the

load control

the

plate current

load

slightly

400

number.

Do

not

forget

load

control

Check that

- 140
the

ma,

if

required

is set

ma,

increase

to a

is say

by

moving

to

re-dip

is

changed.

the

grid

not,

ma

re-adjust

140 ma - 10%

properly,

400ma.

If the

the

load slightly

higher number

more than

the

load control

the

tune

reading

the

control each time

is

approximately

exciter

grid current reading.

the

plate

plate current

by

on the

420 ma

dial.

decrease*

to a

output

current

is

moving

If

the

lower*'

the

120

to

give

Page

12.

The

tuning, loading

and

exciter control

Page

12.

(10)Release

adjustments
until

the
current
frequency

may

have

ratio

is

obtained. Note that

the

of 140 ma

more precise these adjustments will

to be

become apparent. Also

the

broader

BBMaH

a

The

dull cherry

When operated

their
only

ratings

if the
current dipped
The

amplifier should never

length

of

the PTT

are

these adjustments.

3-500Z

tube should show colour, glowing

red

with

in

this manner,

and can be

plate circuit

to a

time

in an off

switch

minimum with tune

of the

repeated several times

grid

the

400 ma of

operated

is a

to

400

ma

the

higher

lower

the

frequency,

plate

the

tubes
in

this

resonance (plate

current.

are

control).

be

operated

for any

resonance condition.

exciter

to

allow

plate

the

within

way

the

amplifier

and

exciter
exciter
microphone,

into

to go

the SSB

adjust

into

the

peak plate current readings

current
drive

CW

OPERATION:
Tune amplifier
except

400

AM

Tune

(a)
(b)

that

ma.

OPERATION:

and
grid current
plate current

peaks,

should

with a monitor scope

as

above

the

plate current should

Grid current will

load

as

above except

= 100 ma

to

give approximately

the

mode

unkeyed

and

while speaking into

status.

audio gain control

of

around

be

around

100

if one is

-­ be no

be

approximately

that:

Place

for

250ma.

ma.

Check

The

available.

greater than

120

ma.

500

watts

the

a

voice

grid

for

proper

output.

.Page

13

FSK

OPERATION:

The

HL-1000A

is

designed

to

operate

the 1

kilowatt input

Page

13.

level
grid

ALC

Drive
rotate
to
400
to

continuously

current

and

ADJUSTMENT:

the

amplifier

the

ale

decrease.

ma of

adjust

plate current (single

or use the ALC

400

control until

If the

WARRANTY:
All

goods sold hereunder

and

tune

ma of

to

400

exciter

adjust

plate

ma of

the
cannot

tone)

control.

are

warranted

as

required

for 120 ma

current.

plate current

and

then

grid current just begins

drive

the

HL-1000A

it is not

to be

free from defects

to

necessary

in

material

date

of

and

excludes all other warranties whether expressed or implied

by

operation

on the

merchantability
Defective material
by the
by the

seller

seller. Goods
without
damage
use of

or

material
against
of

defective material. Every claim

material

deemed
to

waived

the

expiry date

and

workmanship,

shipment,

and

of law or

may be

and

upon receipt

charge,

but the

expense directly

or

from

the

seller being

or

workmanship

by the

purchaser unless made

of the

for a

period

of one

this express warranty

otherwise including

or

fitness

returned

so

returned will

seller shall

or

any

other cause,

to

require

or

from

for a

to the

of

definite shipping instructions

particular

seller after inspection

be

replaced

not be

indirectly arising from

the

the

replacement

on

account

any

other cause shall

warranty.

year from

is in

any

lieu

warranty

of

purpose.

or

repaired

liable

for

loss,

the

exclusive remedy

or

repair

of

defective

be

in

writing prior

.....Page

14.

Page

14.

TUNE

AND

These

are

Factory

FIGURE

BAND

IJMMPH

The

pro-rated basis.

accompanied
with your
with

the
Warranty claims
by

proof

LOAD

SETTINGS:

approximate

Dat^

5

SSB

TUNE

3-500Z

by the

new

tube

Any

tube.

is

warranted

warranty claims must

Eimac

All

warranty
claims must

company from which

of

purchase

settings

on the

amplifier must

and

purchase

for a 50 ohm

Settings

^f

if

3°R

?£

w

ACTUAL
READING

you

Serial

on a one

year

be

claim form packaged

be

filed

bought

the

be

tubes.

accompanied

date.

Number

load.

T,

=400

ACTUAL

LOAD

READING

ma

80
40
20

15

10

70
40

27
14
08

81
52
30
22
13