參數(shù)資料
型號(hào)： CXA1518Q
廠商： Sony Corporation
英文描述： EIAJ TV Sound Multiplexing Decoder(EIAJ接口的電視聲音多路解碼器)
中文描述： EIAJ電視聲音多路復(fù)用解碼器（EIAJ接口的電視聲音多路解碼器）
文件頁(yè)數(shù)： 15/20頁(yè)
文件大小： 260K
代理商： CXA1518Q
—15—
CXA1518Q/S
2
Main system
MAIN DEEM applies de-emphasis on the MAIN signal component and removes the SUB and Cue
components. After having passed through MAIN DEEM, the MAIN signal is added to MARTIX, OUTPUT
AMP, and MAIN OUT.
3
Sub system
SUB BPF passes the SUB signal component of the multiplexed signal. A 4.5f
H
trap filter then removes the
digital facsimile signal component.
FM demodulation frequency demodulates the Sub signal.
The SUB DEEM applies de-emphasis on the FM demodulated Sub signal and removes the carrier wave
component.
After passing through SUB DEEM, the SUB signal is added to MATRIX and OUTPUT AMP.
4
Matrix and output system
When broadcasting in stereo, MATRIX generates L and R signals by adding and subtracting the MAIN
signal from MAIN DEEM and the SUB signal from SUB DEEM.
OUTPUT AMP & OUTPUT SW switch the output signals as instructed by LOCIG. Note that MAIN OUT
always outputs the MAIN signal component regardless of the broadcast mode.
Adjustment Methods
1. Preset before filter adjustment
Fig. 1
Procedure
1) Connect as shown in Fig. 1
2) Set the encoder to MONO MODE, and input a 1 kHz signal to MPX IN.
3) Adjust VR2 until the level on TP1 (Pin 6) is 0.2 Vp-p (70 mVrms).
(Pin 3 for the CXA1518Q)
Japan sound multiplexing encoder
Application circuit
MPX IN
VR2
TP1
Oscilloscope
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CXA1518Q/S 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:EIAJ Sound Multiplexing Decoder
CXA1518S 制造商:SONY 制造商全稱(chēng):Sony Corporation 功能描述:EIAJ Sound Multiplexing Decoder
CXA1520-0000-000N00M427F 制造商:Cree 功能描述:LED ARRAY XLAMP CXA1520 WHITE
CXA1520-0000-000N00M427H 制造商:Cree 功能描述:LED ARRAY XLAMP CXA1520 WHITE 制造商:Cree 功能描述:XLamp CXA Light Emitting Diode White
CXA1520-0000-000N00N227F 制造商:Cree 功能描述:LED ARRAY XLAMP CXA1520 WHITE
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