Sangean WR-2 Service Manual page 3

Model: WR-2(USA)
Test Item
Tuning Range
Intermediate freq.
Max. Sensitivity
Usable Sensitivity
Image Rejection
I.F. Rejection
3db Limiting(1mV)
Min. output
Auto Tuning Stop Sens.
Current consumption
Spurious rejection
S/N Ratio
Am. suppression
Mod 75kHz
**Output Power 100Hz
T.H.D. (45KHz dev.)
Over load capacity
Audio Fidelity(1K=0dB)
(W/Pre-emphasis)75uS
100/1K 10K/1K
Supply Voltage: AC 120V/60Hz R.O：50mW
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
SPECIFICATION
FM. ELECTRICAL PERFORMANCE
Brand: SANGEAN
Condition
Input Output
S/N=6dB
S/N=6dB
S/N=6dB
S/N=6dB
S/N=30dB
R.O.
127.4MHz
10.7MHz S/N=6dB
60dBμ
Rated
output
60dBμ
103.35MHz
60dBμ
DIN Audio
60dBμ
Speaker8Ω
10% THD
Load 32Ω
R.O.
10% THD
100
VR=MAX
10K
100
VR=5mW
10K
( )工程變更
Temp: 25 ℃
freq Nom.
Min 87.5
Max 108
10.7
90
98
106
90 12
98 12
106 12
106 32
90MHz 60
98MHz 10
98MHz 0.5
20
98.1MHz
98MHz 320
98MHz 90
98MHz 50
98MHz 46
98MHz
5+5
98MHz 0.2
98MHz
LOW
HIGH
LOW
HIGH
Modulation: Dev.22.5kHz @400Hz
Load: 8 Ohm
Approved by
3
R. H. : 75 % Date: 2005/5/20
Value Test No.
Lim. 1.
±0.1
±0.1
±0.1
6 12
6 12
6 12
22
22
22
26
50
16
3
26
*400
50
40
30
7 6
2+2
1
>106
7 5
8 6
8 6
8 6
Released/Tested by
Unit
2.
MHz
MHz
dBμ
dBμ
dB
dB
dBμ
mv
dBμ
mA
dB
dB
dB
W
mW
%
dBμ
dB
dB