Sangean DPR-25+, Руководство по обслуживанию, Страница: 2 / 46

SPECIFICATION
FM. ELECTRICAL PERFORMANCE
Model: DPR-25 Brand:SANGEN Temp:
°C
R.H.: % Date: 2005/9/2
Condition Value Test no.
Test Item
Input Output freq Nom. Lim 1. 2.
Unit
Min 87.5
Tuning Range S/N=6dB
Max 108
MHz
Intermediate freq. S/N=6dB 10.7
±
0.05
MHz
Max. Sensitivity S/N=6dB
90MHz
98MHz
106MHz
12
12
12 18
18
18
dBu
Usable Sensitivity S/N=30dB
90MHz
98MHz
106MHz
18
18
18 24
24
24
dBu
Image Rejection S/N=6dB 106MHz 24 18 dB
Stereo Ind Sens. S/N=6dB 106MHz 22 26 dB
I.F. Rejection S/N=6dB 90MHz 60 dB
3db Limiting 80dBu 18 24 dBu
Min. output 1.5 3 mV
Auto Scan 22 28 dBu
S/N (1mV) 46 40 dB
Current Consumption R. O. 160 180 mA
Am. Suppression (1mV) 32 26 dB
Stereo Separation(lkHz) 26 20 dB
100 200 Hz
Audio fidelity
75kHz/or 50kHz
(-3dB W/pre emphasis)
60dBu
10K 8K Hz
Output Power
(75KHz dev.)
10%T.H.D. 1000 700 mW
T. H. D. (75KHz dev.) 1 3 %
Over load capacity 10%T. H.D.
98MHz
100 90 dBu
Calibration S/N=6dBu
90MHz
98MHz
106MHz
KHz
Lowest Batt. Volt. 60dBu 98MHz 6.3 6.7 V
Supply Voltage: DC 9V R.O.: 50mW Load: 8 Ohm
Modulation: 1KHz Mod./22.5KHz Dev.
Remark:
( )
首件產品
( )
客戶抽測
:
( )
成品
( )
例行抽測
( )
業務樣品
:
( )
半成品
( )
新機種
( )
工程變更
:
Approved by Released/Tested by
2