The characteristics of high frequency switch power supply are analyzed. The problems in its application on audio frequency power amplifier and the main methods to solve them are pointed out.

分析了高頻開關(guān)電源的特點及將其應(yīng)用到音頻功率放大器中所遇到的主要問題自拍偷国产三级片2020，以及解決這些問題的基本方法日韩高清性爱网站。

The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.

指出了高頻開關(guān)電源在高保真音頻功率放大器中廣闊的應(yīng)用前景。

A distributed amplifier of the low-pass type can easily be constructed to have a uniform frequency response from audio frequencies to fr...

由實驗結(jié)果證明日韩欧美中文字幕二区不卡，采用m導(dǎo)出式低通濾波器所構(gòu)成的仿真線的分布式放大器妓女视频在线观看网站，實較用常K式者，具有更佳的相移特性和頻率特性亚洲综合无码一区二区APP，這與理論上的分析是一致的喷水毛片一级。

A distributed amplifier of the low-pass type can easily be constructed to have a uniform frequency response from audio frequencies to frequenc...

由實驗結(jié)果證明亚洲网站精品，采用m導(dǎo)出式低通濾波器所構(gòu)成的仿真線的分布式放大器，實較用常K式者色色综合色综合，具有更佳的相移特性和頻率特性裸体女人毛片，這與理論上的分析是一致的。

It locks the frequency of the carrier-wave at 35MHz.The stabilization of the carrier-wave can be 4×10-5,the accuracy can be 3×10-5.The frequency modulation and the confection of the carrier-wave are realized by the capacity-changing diode V149 and the integration voltage-control oscillator MC1648 chip.The end power amplifier uses the audion 2SC1970 to make it work in the third magnifying state,it improves the efficiency of the magnifier and the power of the output reaches the design demand.

發(fā)射部分采用鎖相環(huán)式頻率合成器技術(shù)亲子乱子伦XXXX视频免费， MC145152和MC12022芯片組成鎖相環(huán)欧美城色色，將載波頻率精確鎖定在35MHz，輸出載波的穩(wěn)定度達到4×10-5亚洲理论视频免费网站，準確度達到3×10-5麻豆AV在线高清免费播放，由變?nèi)荻O管V149和集成壓控振蕩器芯片MC1648實現(xiàn)對載波的調(diào)頻調(diào)制；末級功放選用三極管2SC1970久久婷婷五月综合品精，使其工作在丙類放大狀態(tài)免费性爱黄色视频，提高了放大器的效率，輸出功率達到設(shè)計要求日本又硬又爽又黄又粗的视频。

Most are matched pairs but this is actually not too critical in the testing setup which is as follows : CD : Sony S7000 + Theta TLC + Adcom GDA 600 + WE93F Pre-amp : ARC LS-7 Power Amp : 2 x Audion Sterling (in monoblock single EL34 mode) Speaker : KEF LS3/5a Each pair of tube is used on the input buffer of the Audion Sterling.

多數(shù)是被匹配的對但這實際上不是太重要的在是的測試的設(shè)定如下： CD：索尼S7000 +希臘字母的第八字TLC + Adcom GDA 600 + WE93F 前置放大器：弧LS-7 力量安培： 2 x 三極管英鎊(在monoblock 唯一EL34 方式下)報告人： KEF LS3/5.a 各對管被使用在三極管英鎊的輸入緩沖區(qū)。

The transmit part adopts the phase-locked loop pattern of frequency synthesizing technology and uses the MC145152 and MC12022 chips to compose the phase-locked loop.It locks the frequency of the carrier-wave at 35MHz.The stabilization of the carrier-wave can be 4×10-5,the accuracy can be 3×10-5.The frequency modulation and the confection of the carrier-wave are realized by the capacity-changing diode V149 and the integration voltage-control oscillator MC1648 chip.The end power amplifier uses the audion 2SC1970 to make it work in the third magnifying state,it improves the efficiency of the magnifier and the power of the output reaches the design demand.

發(fā)射部分采用鎖相環(huán)式頻率合成器技術(shù)强伦姧人妻一区二区， MC145152和MC12022芯片組成鎖相環(huán)2015超碰，將載波頻率精確鎖定在35MHz，輸出載波的穩(wěn)定度達到4×10-5日韩福利看片不卡在线观看免费视频，準確度達到3×10-591久久五月，由變?nèi)荻O管V149和集成壓控振蕩器芯片MC1648實現(xiàn)對載波的調(diào)頻調(diào)制；末級功放選用三極管2SC1970亚洲h视频免费观看，使其工作在丙類放大狀態(tài)欧美精品一区yz，提高了放大器的效率，輸出功率達到設(shè)計要求国产美女一级性大黄片。

An on-chip Automatic Gain Control circuit controls the gain of this preamplifier from -15 to 24 dB.

片上自動增益控制電路控制天天干,天天摸A√，從這個前置放大器增益-15至24分貝。

Wideband amplifier, realized by the technology of automatic gain control, is used widely in radar system and other correlative electronic fields.

采用自動增益控制技術(shù)實現(xiàn)的寬頻帶放大器在雷達系統(tǒng)及其他相關(guān)電子領(lǐng)域有著廣泛的應(yīng)用久久免费无码Av级毛片。

In order to ensure all intermediate frequency signals to be progressed, our system also gets an automatic gain by a sampling circuit.

為提高輸入信號的動態(tài)范圍国产污色视频在线观看，本系統(tǒng)采用高增益放大器和自動增益控制等電路進行數(shù)據(jù)轉(zhuǎn)換前的信號調(diào)理工作。