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1-9
TECHNICAL SPECIFICATION
TECHNIAL DESCRIPTION
USB
Measurment are directly done at the connector on the board
Channel Unbalance
< = +/- 3 dB
GENERAL PART
Measurement are directly done at the connector on CDC board
Description
Specification
Output Resistance
< = 1.5 kOhm
Output Voltage RL = 33 k ohm ( )dB, 1 Khz )
83/- 1.5dB
THD + Noise ( 0dB, 1Khz )
<= 0.7 %
Signal to Noise Ratio ( 0dB,1kHz )
>= 65dBA ( A - weighted )
Channel Crosstalk ( 100Hz - 16,000 Hz )
>= 35 dB
( 0 dB, 1 KHz )
>= 40 dB
Frequency Response ( +/- 3dB ), reference 1kHz
100Hz - 10kHz
Description
Specification
2
Remarks :
USB SPECICFICATION
Issued Date
1
2013-3-22
᮹
Class No
FWM2200 MICRO SYSTEM
Ver
3
CHECK: Douglas
DATE :2013-3-22
᮹
YUSAN INDUSTRIES LTD
NAME : Luochide
10
SH 190 - 9
A4
Summary of Contents for FWM2200/55
Page 14: ...3 1 BLOCK DIAGRAM ...
Page 15: ...3 2 WIRING DIAGRAM ...
Page 16: ...4 1 CIRCUIT DIAGRAM ...
Page 17: ...4 2 CIRCUIT DIAGRAM ...
Page 18: ...4 3 CIRCUIT DIAGRAM ...
Page 19: ...4 4 CIRCUIT DIAGRAM ...
Page 20: ...LCD KEY BOARD TOP LAYOUT 5 1 ...
Page 21: ...5 2 LCD KEY BOARD BOTTOM LAYOUT ...
Page 22: ...LINE IN AUX BOARD TOP BOTTOM LAYOUT 5 3 ...
Page 23: ...CD USB BOARD TOP LAYOUT 5 4 ...