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CSMMUf{ICATION$
E*UIF*#Eil{T
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fr f*G.
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ffiox
!OSS
I
Morgan
Hill.
CA $5*3?
r
4CI8-7?S-73S3
S,:ffi4
$PEGIFICATISNS:
FREQUENCY
HANGE
144
to
148
MHz
POWER
IfUPUT
S.X-4
Watts
t$
Watts
mgx.l
SUTFUT
28
Watts
or
rnsre
for
2 Watts
input-int€rrnittent
duty
cycle
MODES
FM.
SSB snd
CW
RECEIVE
PHEAMF
1S
db
sain
with
2
t
.5
db
DC
P**ER
noise figure
13"6
VDC
at S
Amps nsminal
FUSE
7,5
AmPs
IMPEDANCE
50
Ohm
input
and output
$lZE
7.25 x 3"5
x
?
Ifr'EIGHT
I.S
LBs,
The
Ml FAGE
B?3A
repres*nt$
the
latest
ln 2,
fttleter
Fower Ampliflers.
lt incarporffte$
features
that
make
it the
most useful
and trersatile
amplifler
available
tnday.
The
B?3A
has
a
built-in
recelve
preamp
and
variable
SSB
delay.
It will
arnplify
both
FM
and
SSB
*ignalr.
INSTALLATION:
The
B23A
rnay be
mounted
by
using
the
bracket$
sup-
pilied.
The
B?3A must
have
adequate ventilatisn
arnund
the
heat
sink.
Use af
No,
10
or
larger
wire tn
csnnect the
B?34
ts the
battsry
is
recomnrended.
Ule
gaad
quality
5S
Ohm
equivalent
shauld
be
used
between
the
B23A and
the
co-ax,
betwefln
the
radia
and
the B?3A.
nG-8U
0r
thm
fi*n*
tenna.
The
antenna shauld
be
matched,
to
better
thsn
1.5:1
far
best
perfsrrnancs.
StfilFl
lsss than
3:1
will
degrade
systern
perfsrmance.
SWFI
greater
than
3:l rnay
causs
darnage
to the
amplifier
voiding
any
warranty.
Front
Panel
Functions:
POWEH-ON/OFF-ThIs
switch
turns the
pswer
anrpNi-
fisr
SN and
OFF.
SSBIFM
*-
Selects
the
relay
time
delay for
the
msde
of
operfltlon. xn either
the
SSB
or
FM
pasitio*,
the flr?l-
ptifier
is still
biased
frr linear
opratisn.
pREAr$P-ONIOFF*Turns
On{
snd
oFF
the recsiue
preamp.
This
works
independent
from
the Power
ol\l/oFF
swltch, when elther the Frearnp
or Pq?uer
Amp
is
turned
on the
Amplifier
autornaticnlly
switch-
e$ the antenna
using
lts internal
circuitry.
Flesr
Pane*
Funetigns :
"NNPUT"
This
ecnnects
ta
the
transmitter
or tran$-
reivsr.
"OUTPUT"
-
Thls csnn*cfi
to
the
antsnna.
FRECAUTION$:
Hsat
$ink
Ternp*rature-The
B23A
must
be
mouned
where air can
circulate
ouer
the heat
sink.
lnput Power
*
lnput
power
shsuld
not
excesd 5
lAIatts,
Higlrer
pswer
than
this
may
eause
fsilure
af
thc in-
put
transistffr.
This
will
VfilF AhlY
WAFftAruTY"
lnternal
Adiustmants:
"558
DELAY"-This
allaws
the
relay
delay
t*
be
ad*
iusted
tn
any
desired
delay.
Access
ts
this
adjust-
rnent Is
through
the hole
in the
left
side
*f th*
flsv*r"
Use
ff
small
screvudriver
to adiust the
contr*|.
"lruFUT"
and
"OUTPUT"
MATCH-These are
fact*ry
adiu,sted
and
do
nct
normally require
adjustrn*nt.
Preamp
Tuning-These
trimmers
are
fact*ry
set
f*r
th*
best
gain
and
noise
figure.
They should
n*t be
rs-
#d$
List#d
t#
strt
th*
unlsss
csnnected
to
the
proper
*quipment
ffi#***
f*#ffin#.
Fuse-"-A
7.5
Amp
fuse
is
located in the
power
lead"
Should
the
fuse
"blow",
determine
the cause
befare
replaceilnent.
*ru
#,&$ffi
*F
ffiIFffiI#LJLYY:
l.
Check
fnr
loose antenna
sr
[l*
csnnectisns.
2.
Check
S.W,R,
sf
antenna.
3.
Look
far
bad
sr lossy ss-ax.
ffi
YffiEffi
1ilffifi*Tffiffi
UWftffiffi&$\#
TY
Any
M lfiAGf
COMMUI\f
CATlSf\lS
praduct
fcund
defe*tiv*
in
rnaterials
sr
wnrkmanship
{except
F F Pawer
Transistors),
within
5
y*ars
frnrn date
af
purchaseo
by
ttre
ariginal
cwner,
will
be replaced
or repaired
at n$
charge.
if
the
produ*t
is
returned
ta
the
factory,
frelght
prepaid,
RF
P*wer
Transistars
are
warranted
fsr
1
year
fram
date
*f
purchase.
All
l*ternal
adjustrnents are
factory
set
for
best
per-
f
nrmance
c*nsistent
with
reliable
operaticn.
Ch*nging
internal
adjustments
rnay
void
the 5
yeffr
warranty"
Unauthorized
repairs
rnay
void
the
5
year
warranty.
We
$uggest
that
repair
prnblerns
be
returned
rs
the
f
actory.
R
F
psu/er
trsnsistar
replsceme
nt
beynnd
the
1
year
warranty
period
must
be
done
at
the
factnry
ts
main-
tain
the
5
year
warranty
$n
the rest
sf the
unit.
This
unit
w*s
nat de*lgned
fnr repeater
operatioR"
The
u$e
sf
M irage
amplif
iers
in reneater
service is
at
ysur
own
discretion,
Consult
the
factory
for rscsmrn€n-
dations
regarding
repefiter
service.
The
lVarranty
Registratisn
card
must
be
submitted
within
T O days
frsrn
date
af
pul'chase,
ts
obtain
warranty
se
rv
i*e,
frrll
HAGE
COMMUN
lCATlOl\tS
assurnes
ru#
r*s,p#ffi$$-
*#ffis3##t*#
g*
bi
I ity
f or an
y
antsn
n
ar
rad
is
or accessorles
th
ls
pr*duct.
Thi*
warranty
daes
nat
apply ts
units that
have been
misused,
aecidsntally
darnaged,
subiected
to
ff|ore than
the rat*d
input
F*w€r,
ffi&nufactured
pri*r
to
June
1S7S
trr suhjeetsd
ta
unauthcriaed
service sr repair.
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