Sangean WR-2, Service Manual

Page: 4 / 44

SPECIFICATION
MW ELECTRICAL PERFORMANCE
Model: WR-2(CE)
Brand: SANGEAN
Temp: 25
℃
R. H. : 75 % Date:2005/5/20
Condition Value Test No.
Test Item
Input Output Freq. Nom. Lim. 1. 2.
Unit
S/N=6dB
Min. 522
±
1
Tuning Range
S/N=6dB
Max. 1629
±
1
kHz
Intermediate freq.
S/N=6dB
450
±
1
kHz
603 kHz
44 54
999 kHz
42 54 Max. Sensitivity S/N=6dB
1404kHz 40 48
dB
μ
/m
603 kHz
54 60
999 kHz
52 60 Usable Sensitivity S/N=20dB
1404kHz
48 56
dB
μ
/m
Image Rejection
S/N=6dB 1404kHz
36 30
dB
I. F. Rejection (450KHz)
S/N=6dB 603 kHz
60 50
dB
Selectivity(
±
10KHz)
S/N=6dB 1404kHz
26 20
dB
Bandwidth(-6dB) S/N=6dB 7 +-3 KHz
T. H. D. ( 5mV ) R.O 2 4
%
Auto Tuning Stop Sens. 59 66 dB
μ
/m
S/N Ratio (RF 5mV) 32 dB
Current Consumption R.O 320 *400
mA
100 Hz
Audio fidelity
(-6dB)
1K=0dB
2
KHz
**Output power Mod 80%
at 100Hz
94dB
μ
/m 10%THD 5 W
Over Load Capacity 80%
10%THD
100 >90 dB
μ
/m
A. G. C. F. O. M. 100dB
μ
/m
999kHz
50 40
dB
Whistle Modulation(5mV/M) 74dB
μ
/m
2IF/3IF
<15
%
Supply Voltage: AC 230 V/50Hz R.O
：
50mW
Load: 8 Ohm
Modulation: Dev.30% @400Hz
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
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