Realistic STA-78 - Electrical Performance Specifications

i
1. ELECTRICAL
PERFORMANCE
SPECIFICATIONS
AM BAND
Frequency
Coverage
IF
Usable
Sensitivity
for
S/N 20 dB
at 600
kHz
at 1000 kHz
at 1400
kHz
S/N
Ratio
at 5 mV/m input
1000
kHz
Selectivity at 1000 kHz
a.
10 kHz
input
=
S/N
6
dB
Sens. input
AGC Distortion
at 1000 kHz,
80% mod. 100 mV/m input
AGC Figure
of
Merit
lF Rejection
Ratio
at
600
kHz
lmage Rejection
Ratio
at 1400 kHz
Bandwidth at
6
dB down
Distortion
at 5 mV/m
input,
30%
mod.
Tape out Level
at 5 mV/m
input
(RCA)
Tape out Level
at 5 mV/m
input
(DlN)
Fidelity
Bandwidth
at 5 mV/m input
(1
kHz
= 0
dB)
Whistle
Modulation
of 2nd and
3rd
harmonic,
at 1 mV/m,
5
mV/m
and 100 mV/m
input
Dial
Calibration at
600
kHz
at 1400 kHz
Overload:
With
a radiated
signal of 1Ylm,
the signal shall
breakup.
FM BAND
Frequency
Coverage
IF
IHF
Sensitivity at
90
MHz
at 98
MHz
at 106
MHz
New
IHF
S/N 50 dB Ouiting
Sensitivity
at
90, 98 and 106
MHz
S/N
Ratio
at
'l
mV
input
3
dB Limiting
Sensitivity
lF Rejection Ratio
at 90
MHz
lmage Rejection
Ratio
at 106
MHz
Spurious
Response
and Cross Modulation
Capture Ratio
Alternate
Channel
Selectivity 100
pV
input
Distortion
at 1 mV
input
Dial
Calibration
at 90
MHz
AFC
Holding
Range
at 1 mV
input
Temperature Range
for
Satisfactory operation
AM
Suppression
Maximum
Signal Handling
Capacity
Tape
out Level
at
1
mV input
(RCA)
Tape
out Level
at 1 mV input
(DlN)
UNIT
kHz
kHz
pV
lm
pV
lm
pY
lm
dB
dB
o/
/o
dB
dB
dB
kHz
o/
/o
mV
mV
Hz
%38
kHz
0
r,25
kHz
0
4.50
tunable without
undue
distortion
or
32
25
48
50
42
35
28
45
38
6 4.5-9
0.8
2
200 200
*.2.5
dB
15
15
r
2.5 dB
50-2200
B0-1800
NOMINAL
510-1650
455
200
200
200
45
LIMIT
520-1620
500
500
500
40
be
UNIT
MHz
MHz
pV
pV
pV
dBf
pV
dBf
dB
pV
dB
dB
dB
dB
dB
o/o
kHz
kHz
"C
dB
mV
mV
mV
NOMINAL
86.5-109
10.7
1.9
1.9
1.9
10.8
2.8
14.2
65
1.8
85
5B
80
1.5
60
0.1
a.250
LIMIT
88- 1 0B
3.8
3.8
3.8
16.8
4.5
18.2
55
3.5
70
48
65
4
48
0.5
1
250
t250 +.
100
0-45
42
100
750
.t.
2.5
dB
15
a.2.5
dB
50
200
750
15
-3-