Roberts RecordR, Руководство по обслуживанию, Страница: 2 / 25

Specification
FM. ELECTRICAL PERFORMANCE
Model
：
RecordR Brand
：
ROBERTS Temp
：
25
∘
C
R.H.
：
75%
Date
：
2011/10/11 Ver.
：
A Page
：
1/4
Condition Value Test no.
Test Item
Input Output freq Nom. Lim 1. 2. 3.
Unit
Min 87.5
Tuning Range S/N=6dB
Max 108
MHz
Max. Sensitivity S/N=6dB
90MHz
98MHz
106MHz
3
3
3 9
9
10
EMF dBu
Usable Sensitivity S/N=30dB
90MHz
98MHz
106MHz
12
12
12 18
18
18
EMF dBu
Min. output 60 dBu 1.0 3.0 mV rms
Auto. Scan. Stop. Sens.
(STEREO 45KHz/Dev
Pilot 10%)
R.O. 26 32 EMF dBu
S/N Ratio
(22.5KHz/Dev)1KHz
with 20KHz LPF
R.O. 56 46 dB
Stereo separation 1KHz
75KHz/Dev. Ear OUT
3mW/32
Ω
30 22 dB
Current Consumption
Battery 6V
180 230 mA
Am. Suppression (1mV) 32 26 dB
100 200 Hz
Audio fidelity
75kHz/dev. 50uS
(-3dB W/pre emphasis)
R.O.
10K 8K Hz
High 9 +3 dB
TONE10KHz
75kHz/dev.50uS Low
R.O.
-15 +3 dB
Output Power
(75KHz dev.)
1kHz,10% THD
SP OUT
8
Ω
1 0.8 W
Output Power
(75KHz dev.)
1KHz, Volume=MAX
Ear OUT
32
Ω
5+5 3+3 mW
T. H. D. (75KHz dev.)
60 dBu
R.O. 1 3 %
Over load capacity 10%T.H.D
98MHz
120 106 EMF dBu
Low Battery 60 dBu 3.9 4.3 V
Supply Voltage:
*Adaptor 100-240V 50Hz 7.5V/0.8A
*Battery 6V
R.O. :50mW Load: 8 Ohm
Modulation: 1K Hz Mod./22.5KHz Deviation
W/ 20KHz LPF
Remark
：
Approved by
Released/Tested by
陳盧生
2