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Sencore CB42 - Receiver Gain

Sencore CB42
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''''nn:J
nn
U U
u,-.u
,-,
o
...
"
O'G'TAL
nAoOUT
SELECTOA
AGe
Il!.t.
thl!
30 dB range spl!cified by
the
EtA.
This
is
indicated by
Ule
RF
le~l
reach-
ing 1 uV
before resetting
the
receiver
volume control three times.
If
the
reo
cei~r
has less
than
a
30
dB change from
50,000
uV
to
1 uV input, it
m~t.s
the
EIA
~fication.
for
AGe
operation.
D'G'TAL READOUT
,_uT
S.GNUS
..........
ANUVZ,NG
OUTPIIT
5'GNA.s
••
--
·":0:
__
..
_0
10
Mlcao,..
,.l&fi~~T.u,
,::1:
7
-
,:.:(j::
'.
Fig.
33-Control ..etup
for
12. Repeat step 9 once more.
At
this
point
the
out-
put
is
·30
dB from
the
starting point.
A properly operating
receiver should require less than
1 uV
of
input
signal
to
reach
the
.30
dB point.
NOTE:
Some
fe<*ivel'll
greatly exceed
RECEIVER
GAIN
CR
A'
TUNER
~
'"
"
..
:!@i.
nnn
,n
n
UUU
I.U
'-,
to'
~
, '
eBNCO
__
."u,"
eo
........
~,;
..
, "
".
,
0
'"
I I
It
I I "
..
"
....
a,_1f GENERATOft
AUDIO DIGITAL
RE.DOUT
sELECTDa
",
..
,
, ,
..
··:0:
0
(0
:0:-.."""
--"
...
-I
II
I
MICROI/OLT
OUTPUT
SPEAKER
SUR
''t
:... I j ,
i
~"
,::~::.,
':~~::
OJ
.;;:~'~.,
'.
.NUI'ZINII
OUTPUT
SllIN.LS
MOOIl
OIOIl'A.
RE.OOUT
,_UI'
.'ON.LS
.,
CR4'!
.......
,.
.,
W
Fig.
34-Control
.etup
for
I7Il!csurml reoolver
gam.
32

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