【正文】 提高我的動(dòng)手能力，把所 學(xué)知識(shí)與實(shí)踐相結(jié)合，把這個(gè)設(shè)計(jì)做得更好。因此功率放大器在公共場(chǎng)、家庭等都得到了廣泛的應(yīng)用，給許多音樂(lè)愛(ài)好者帶來(lái)了興趣，從而得到了更好的發(fā)展。 現(xiàn)在功率放大器，提高了音質(zhì)。用軟件對(duì) OTL 功率放大器進(jìn)行仿真實(shí)現(xiàn)。 設(shè)計(jì)并實(shí)現(xiàn)合并式功率放大器，功率放大器的作用是給音響放大器的負(fù)載RL（揚(yáng)聲器）提供一定的輸出功率。設(shè)計(jì)完全符合要求 關(guān)鍵詞： 合并式 功率放大器 雙聲道 Combined type power amplifier Abstract Combined type power amplifier is the role of provides certain output to load RL, when RL is fixed, want to output power as high as possible, small nonlinear distortion of the output signal, and the efficiency is as high as possible. Because of the plicated circuit adopts a direct coupling mode, in order to guarantee the circuit work stable, effective measures must be taken to suppress the zero drift. In order to obtain the output 2 power is large enough to drive the load of work, so we need to have enough high voltage amplification factor. Therefore, the good performance of the bined type power amplifier by the input stage, promote the level and output level ponents. Audio power amplifier is a very mature technology field, Audio power amplifier is a very mature technology field, in the modern audio popularization, development and application of great. Audio power amplifier is not only consumer products (sound) equipment indispensable, but also widely used in the control system and the measurement the modern audio popularization, development and application of great. Audio power amplifier is not only consumer products (sound) equipment indispensable, but also widely used in the control system and the measurement system. This amplifier uses a typical OCL power amplifier, fullplementary symmetrical pure class a DC structure, power amplifiers are working at every level of magnification in a state. Input amplifier and voltage amplifier with better wall diffuse linear circuits, difference in charge and current drive pipe were very famous K170, J74 (K389, J109 twin tube on the power tube) and K214, J77 MOS, power output stage for 2SC5200 and 2SA1943 high power Toshiba tube parallel output, power strong, driving impedance 2 ohms speaker is relaxed, effortless. Comprehensive use of our previously learned knowledge. The design fully meets the requirements Key words： The bined type power amplifier dual track 3 引言 在現(xiàn)代音響普及中，人們因生活層次、文化習(xí)俗、音樂(lè)修養(yǎng)、欣賞口味的不同，令對(duì)相同電氣指標(biāo)的音響設(shè)備得出不同的評(píng)價(jià)。輸入級(jí)和電壓放大級(jí)采用線性較好的沃爾漫電路，差分管及電流推動(dòng)管分別為很出名的 K170、 J74（可用 K38 J109 孿生對(duì)管對(duì)換）對(duì)管和 K21 J77 中功率 MOS 管，功率輸出級(jí)為 2SC5200 和 2SA1943大 功率東芝管并聯(lián)輸出，功率強(qiáng)勁，驅(qū)動(dòng)阻抗 2Ω的喇叭也輕松自如，毫不費(fèi)力。音頻功率放大器不僅僅是消費(fèi)產(chǎn)品（音響）中不可缺少的設(shè)備，還廣泛應(yīng)用于控制系統(tǒng)和測(cè)量系統(tǒng)中。但還是有不足之處；音頻的變化范圍較小，對(duì)電路 功能的分析有不夠詳細(xì)。 按照各級(jí)功能及技術(shù)要求，首先確定整機(jī)電路級(jí)數(shù)及電壓增益分配，而后分別選擇設(shè)計(jì)各級(jí)電路元器件及參數(shù)。為了獲得足夠大的輸出功率驅(qū)動(dòng)負(fù)載工作，故需要有足夠高的電壓放大倍數(shù)。 ....................................................... 7 .................................................... 10 .................................................. 14 ................................................ 15 .................................................... 20 ........................................................ 20 第三章 總 體仿真 ........................................................... 27 ............................................................ 27 ....................................................... 27 ................................................ 28 第四章 安裝與調(diào)試 ......................................................... 29 ...................................................... 29 ...................................................... 29 ........................................................ 29 總結(jié) ...................................................................... 30 致謝 ...................................................................... 31 參考文獻(xiàn) .................................................................. 32 附錄 ...................................................................... 33 1 合并式功率放大器 專業(yè)班級(jí)：電氣 101 學(xué)生姓名：張濤濤 指導(dǎo)教師：門(mén)宏職稱：教授 摘要 合并式 功 率放大器的作用是給負(fù)載 RL 提供一定的輸出功率，當(dāng) RL一定時(shí)，希望輸出功率盡可能大，輸出信號(hào)的非線性失真可能小，且效率盡可能高。 鎮(zhèn) 江 高 專 ZHENJIANG COLLEGE 畢 業(yè) 設(shè) 計(jì) (論 文 ) 合并式功率放大器 Combined type power amplifier 系 名： 電子信息系 專業(yè)班級(jí)： 電氣自動(dòng)化 學(xué)生姓名： 張濤濤 學(xué) 號(hào)： 100202140 指導(dǎo)教師姓名： 門(mén)宏 指導(dǎo)教師職稱： 教授 2021 年 05 月 目 錄 摘要 ....................................................... 錯(cuò)誤 !未定義書(shū)簽。 引言 ....................................................................... 3 第一章 設(shè)計(jì)方案 ............................................................ 4 ......................................................... 4 ................................................. 4 ........................................................ 5 第二章 電路設(shè)計(jì) ..................................................