Belcom LS-202E - Page 18

OTHERS
1)
2l
Carrier
Oscillator
if,.
oti"t
frequency
is
generated
by
0305
ln
F l\'4
mode'
the
carrier
frequency
is 10.695
N/lHz
tn
USB
mode'
0307
is ON
and
*rri"|-
tr"qu"n"y
is
10.6935
MHz
ln
LSB
mode'
0306
is ON
and
carrier
frequencY
is
10.6965
MHz
Polve r Supply
An
lC
regulator
with
low
current
consumption
is employed
to
enable
th;
transceiver
to
operate
from
7V to
'1
2V
lC401
provides
regulated
5.6V
to
lC4O2
and
lC4O3
to
produce appropriate
trans-
mission
and
receive
voltage
according
to
FM and
SSB
nrode
Tone
Circuit
The
1750
Hz
repeater
access
tone
is
generated by
1C504'
which
contains
a 3.58
MHz
crystal
oscillator
and
1/2048
divider'