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AM SECTION
Measurements condition AM - MW : Radio. frequency = 1000/999KHz , Audio frequency = 400Hz
Reference level = (74dBu/m),(50)ohms
Test Point : MW TP 1 = (594)KHz , TP 2 = (999)KHz , TP 3 = (1404)KHz
No.
1
TUNING COVER RANGE (A)
STEP (A)
STEP (AUS/RDS/K)
2
USABLE SENSITIVITY
S/N = 20dB
3
S/N RATIO
(100)dB u/m, (30 )% MOD
4
T.H.D
74dB u/m, 30% MOD
5
OVER LOAD DISTORTION
100dB u/m ,80% MOD
6
FREQUENCY RESPONSE
(at 74dB u/m, 400Hz)-NO FILTER
7
SELECTIVITY AT SN:
20dB, ±10KHz(A)
20dB, ± 9KHz(AUS/RDS/K)
8
AGC FIGURE OF MERIT
(at 100dB u/m)
9
IMAGE REJECTION
10
WHISTLE MODULATION
(74dBu/m, 900KHz)
11
TUNED LEVEL 1000KHz (A)
999KHz (AUS/RDS/K)
AUTO STOP LEVEL 1000KHz (A)
12
13
OUTPUT LEVEL 74dB u/m, (30 )% MOD
Modulation = ( 30 )%
DESCRIPTION
LOW~HIGH MW
(AUS/RDS/K)
LOW~HIGH MW
AUTO/MANUAL
AUTO/MANUAL
999KHz (AUS/RDS/K)
10
UNIT
KHz
KHz
KHz
KHz
TP 1
dB u/m
TP 2
dB u/m
TP 3
dB u/m
TP 2
dB
%
TP 2
%
TP 2
AT-6dB
Hz
TP 2
dB
TP 2
dB
TP 3
dB
2IF
dB
dB u/m
dB u/m
mv rms
SPEC
NOMI.
LIMIT
520~1710
522 ~ 1611
10 / 10
9 / 9
63
65
63
65
63
65
35
30
2
3
3
10
80 ~ 2K
100 ~ 1.8K
23
20
50
40
28
25
10
15
55±10
55±15
55±10
55±15
200±100
200±150
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