Sangean WR-2 Service Manual page 8

Model: WR-2(UK)
Brand: ROBERTS
Test Item
Tuning Range
Intermediate freq.
Max. Sensitivity
Usable Sensitivity
Image Rejection
I. F. Rejection
Selectivity(±10KHz)
Bandwidth (-6dB)
T. H. D.
S/N Ratio (5mV)
**Output power Mod 80% 94dBu/m
Supply Voltage: AC 230 V
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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SPECIFICATION
LW ELECTRICAL PERFORMANCE
Temp: 25 ℃
Condition
Input Output
S/N=6dB
S/N=6dB
S/N=6dB
162KHz
225KHz
S/N=6dB
270KHz
162KHz
S/N=20dB 225KHz
270KHz
270KHz
S/N=6dB
162KHz
S/N=6dB
270KHz
S/N=6dB
S/N=6dB
100dB 30 %
225KHz
74dBu/m
10%T.H.D
R.O：50mW Load: 8 Ohm
8
R. H. : 75 %
Value
Freq. Nom. Lim.
±3
Min. 153
±3
Max. 279
±3
Min 450
68
66
64
62 68
60 66
60 66
30 24
60 50
26 20
6 4-9
3 5
32 26
5
Modulation: Dev.30% @400Hz
Approved by
Date:2005/3/14
Test No.
Unit
1. 2.
KHz
KHz
dBμ/m
dBμ/m
dB
dB
dB
KHz
%
dB
W
Released/Tested by