Realistic STA-85 - Specifications

SPECIFICATIONS
NOMINAL LIMIT UNIT
FM
SECTION
1.
TUNING COVERAGE
2. DIAL CALIBRATION
ACCURACY
90 MHz
98
MHz
3. usABLE
sENsrrvrrY
106 MHz
(NOTSE
&
DTSTORTTON
-30
dB)
4.
IMAGE REJECTION
(at
98
MHz)
5.
lF REJECTION
(at
g0
MHz)
6.
FULL LIMITING
(at
-3
dB)
7. lF BANDWIDTH
(6
dB down)
8. DISTORTION
(1
mV
INPUT)
9. SIGNAL-TO-NOISE
RATIO
(1
mV
INPUT)
10.
DE-EMPHASIS 75
trrsec.
(at
50-10000
Hz)
11.
DISCRIMINATOR BANDWIDTH
(Peak-to-Peak)
12. AFC HOLDING RANGE
(with
1 mV signal)
13.
OUTPUT
VOLTAGE
MONO
(at
75
kHz
dev.,400
Hz
mod.,
1 mV input)
STEREO
14,
MUTING THRESHOLD
15.
OVERLOAD
THD
(at
98
MHz, 100%
mod.)
100 mV
RF INPUT
16. SPURIOUS
RESPONSE at
98 MHz
ANTENNA
INPUT
3pV,1l2
1F,103.35
MHz
17. CAPTURE
RATIO
(1
mV
INPUT)
18. ALTERNATE CHANNEL
SELECTIVITY
(100
pV
INPUT)
M
PX SECTION
1. STEREO
SEPARATION
100
Hz
(100%
mod.,
1
mV
input)
1 kHz
10
kHz
2, DISTORTION
(100%
mod.
1 mV input)
1 kl.{z
3. STEREO
BEACON SENSITIVITY
(pilot
7%)
4. RESIDUAL 19
kHz
& 38
kHz
(1
mV input)
5. SUPPRESSION OF
SCA
INTERFERENCE
(1
mV input)
AM SECTION
1. TUNING
COVERAGE
2,
DIAL
CALIBRATION
ACCURACY 600
KHZ
1,000
kHz
1,400
kHz
3. USABLE
SENSITIVITY 600
kH2,1000
kHz, 1400
kHz
(400
H2,30% mod.,
Radiated
noise
&
distortion
-20
dB) Direct
4. IMAGE
REJECTION
(at
1,400 kHz)
5. lF
REJECTION
(at
600
kHz)
6.
AGC FIGURE OF
MERIT
(from
100
mV/m
at
1,000 kHz)
7, DISTORTION
(400
Hz,
30% mod.,
5 mV/m input)
L
IF BANDWIDTH
(6
dB
down)
9. OUTPUT
VOLTAGE
(1
kHz
30%
mod., 5 mV/m
input)
87.5-108.5
0.3
65
r1.5
400
r1000
750
650
5
1
80
2.0
6
50
80
2.O
2
50
38
40
30
0.5
10
50
250
25
35
30
45
1.5
510-1660
250
88-108
t250
1350
r250
3.0
10
45
70
3.0
t1
50
0.8
58
!2
300
1800
75012
dB
650t2
dB
4-16
1.5
70
3.5
40
27
32
20
1.2
3-16
40
40
520-1620
r15
t30
t40
2.5
6-14
200
500
40
30
25
30
MHz
kHz
kHz
kHz
prV
dBf
dB
dB
pV
kHz
o/
/o
dB
dB
kHz
kHz
mV
mV
pV
o/
/o
dB
dB
dB
dB
o/
/o
dB
dB
kHz
kHz
kHz
kHz
pV
lm
pV
dB
dB
dB
o/
/o
kHz
mV
pV
dB
dB