Specification - Roberts RecordR Service Manual

Dab/fm rds digital portable radio
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FM. ELECTRICAL PERFORMANCE
Model :RecordR
Test Item
Tuning Range
Max. Sensitivity
Usable Sensitivity
Min. output
Auto. Scan. Stop. Sens.
(STEREO 45KHz/Dev
Pilot 10%)
S/N Ratio
(22.5KHz/Dev)1KHz
with 20KHz LPF
Stereo separation 1KHz
75KHz/Dev.
Current Consumption
Battery 6V
Am. Suppression (1mV)
Audio fidelity
75kHz/dev. 50uS
(-3dB W/pre emphasis)
High
TONE10KHz
75kHz/dev.50uS
Low
Output Power
(75KHz dev.)
1kHz,10% THD
Output Power
(75KHz dev.)
1KHz, Volume=MAX
T. H. D. (75KHz dev.)
Over load capacity
Low Battery
Supply Voltage:
*Adaptor 100-240V 50Hz 7.5V/0.8A
*Battery 6V
Remark:

Specification

Brand:ROBERTS Temp:25∘C
Condition
Input
Output
S/N=6dB
S/N=6dB
S/N=30dB
60 dBu
R.O.
R.O.
Ear OUT
3mW/32Ω
R.O.
60 dBu
R.O.
SP OUT
8Ω
Ear OUT
32Ω
R.O.
10%T.H.D
60 dBu
R.O. :50mW
Approved by
R.H.
Date:2011/10/11 Ver.:A
75%
Value
freq
Nom.
Lim
Min
87.5
Max
108
90MHz
3
9
98MHz
3
9
106MHz
3
10
90MHz
12
18
98MHz
12
18
106MHz
12
18
1.0
3.0
26
32
56
46
30
22
180
230
32
26
98MHz
100
200
10K
8K
9
+3
-15
+3
1
0.8
5+5
3+3
1
3
120
106
3.9
4.3
Load: 8 Ohm
2
Test no.
1.
2.
Modulation: 1K Hz Mod./22.5KHz Deviation
W/ 20KHz LPF
Released/Tested by
陳盧生
Page:1/4
Unit
3.
MHz
EMF dBu
EMF dBu
mV rms
EMF dBu
dB
dB
mA
dB
Hz
Hz
dB
dB
W
mW
%
EMF dBu
V

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