Icom IC-751A - Page 7

2-3
RECEIVER
Receive system
Receive
modes
Intermediate
frequencies
Sensitivity
(PREAMP
ON)
Squelch
sensitivity
Selectivity
Spurious
and image response rejection :
Audio output
:
Notch filter attenuation
:
R IT
variable range :
SSB,
CW,
RTTY, AM
Quadruple-conversion
superheterodyne with continuous bandwidth
control.
FM
T
riple-conversion
superheterodyne.
SSB
(J3E) Upper
and
Lower sideband
CW
(A1A)
FM
(F3E)
RTTY
(F1A)
AM
(A3E)
1st: All
modes
70.451 5MHz
2nd:
SSB
9.0115MHz
CW,
RTTY 9.0106MHz
FM,
AM 9.0100MHz
3rd: All modes 455kHz
4th:
SSB 9.0115MHz
CW,
RTTY 9.0106MHz
AM
9.0100MHz
SSB, CW, RTTY
0.1
~
0.5MHz
Less than 0.5/iV for lOdB S/N
0.5
~
1
.6MHz
Less
than 1/iV for
lOdB S/N
1.6
-
30.0MHz
Less than
0.15/iV for
lOdB S/N
AM (NARROW
FILTER selected)
0.1
~
0.5MHz
Less
than 3jLtV for lOdB S/N
0.5
~
1.6MHz
Less than
6jLtV for lOdB
S/N
1.6
~
30.0MHz
Less than IjuV for lOdB S/N
FM
28
~
SOM
Hz
Less than 0.3
mV
for
1 2d
B
SI NAD
1
.6
~
SOM Hz
Less than 0.3/iV
SSB,
CW, RTTY (WIDE
FILTER
selected), AM
(NARROW)
2.3kHz
at
—
6dB
points
3.8kHz
at -60dB
points
CW,
RTTY
500Hz
at
—
6dB points
1.3kHz
at
—
60dB
points
FM
15kHz
at —6dB
points
30kHz
at
—
50dB
points
AM
(WIDE FILTER
selected) 8kHz
at
—
6dB points
18kHz
at
—
50dB points
Image
rejection
More than 80dB
IF
rejection
More than 70dB
More
than 2.6 watts
at 10% distortion with
8
ohm load.
More
than 45dB
±9.9kHz
-
3
-