Realistic STA-115 - Page 4

ITEM
Measured
at
(kHz)
UNIT NOMINAL
LIMIT
Spurious
response from
1650
-
30000
Hz
1 000
dB
50
44
Tape
out level,
at
1
kHz SmV/m, RCA
Jack
**5mV/m,
DIN Jack
(3.3kC}
terminated)
1
000
1 000
mV
mV
200
3.3
200
r2.5
dB
3.3
t2.5
63
The oscillator
shall
not drift more
than
10
kHz
starting at25"C
(77"F\and
thfough
range
up
to
50'C
(122"F\,
at 1000 kHz.
Meter
Sensitivity at
1st
LED
at 3rd LED
at sth LED
1000
1 000
1000
mV/m
mV/m
mV/m
o.4
1.0
5.0
**
For
Australian models
only.
FM
Section
Notes:
1. Output readings
are
taken
across
a
non-reactive
47 k
ohm load termination.
2. Output
is measured
at
TAPE OUT
terminals.
3. The signal voltage
in
this
specification
is
the voltage
appearing
across the
tuner
input
ter-
minals
(lHF).
4.
Standard
modulation:
1000
H2,75 kHz
deviation.
I
l
\-/
i
I
i
i
I
i,l
jl
i
I
(
1
T
I
t
i
)
1
ll
1t
N
I
I
l
\-/
t
l
i
t
I
I
I
IL
tl
il
l1
il
il
rj
i
I
t.l
I
t1
rl
I]
I
il
dt
$l
\-/
tl
tl
[1
t
t
t
_l
ITEM
Measured
at
(MHz)
UNIT
NOMINAL LIMIT
Frequency coverage
(U.S.A.,
Canada,
Australia)
MHz
87
.4
-
108.3
87.4
tO.5
-
108
+
0.9
-0
ntermediate frequency MHz 10.7
HF
(Useable)
sensitivity 90/98/1
06
90/98/106
pV
dBf
1.9
10.8
3.8
16.8
50
dB
Ouieting sensitivity 90/98/106
90/98/106
pV
dBf
3.54
16.21
4.5
18.29
Limiting sensitivity
(-3
dB)
98
pV
1.8
3.5
S/N
Ratio at 1mV input 98
dB
74
66
S/Hum
noise
ratio
at 1mV 98
dB
70 64
Muting threShold
98
dB
7.O
4-10
Frequency response
t2.5
dB
range,
at
1mV input 98
Hz
30
-
12k
40
-
10k
Distortion at
quieting
sens.
at 100 Hz
at
'1000
Hz
at
6000 Hz
98
98
98
%
o/
/o
o/
/o
o.4
o.4
0.8
Distortion
at 1mV input at 100 Hz
at 1000 Hz
at 6000
Hz
98
98
98
o/
/o
o/
lo
o/
/o
o.25
0.065
0.3
0.5
Capture
ratio
98
dB
1.2
3.0
Alternate
channel
selectivity
at input 100pV 98
dB
60
45
Spurious
response ratio 98 dB
72
65
lmage
response ratio
106
dB 65
48
lF response ratio
90
dB 90 70
-4-