精密電流源：Precision Current SourceThe precision current source is shown in Figures 17, 18. The configurations shown will sink or source conventional current respectively.Caution must be exercised in ap...

光電放大器：Photocell Amplifiers Amplifiers for photoconductive, photodiode and photovoltaic cells are shown in Figures 14, 15, 16 respectiv...

電流—電壓轉(zhuǎn)換電路：The Current-to-Voltage ConverterCurrent may be measured in two ways with an operational amplifier. The current may be converted into a voltage with a ...

簡單低通濾波器：Simple Low-pass Filter The simple low-pass filter is shown in Figure 11. This circuit has a 6 dB per octave roll-off after...

積分器：Integrator The integrator is shown in Figure 9 and performs the mathematical operation of integration. This circuit is essentia...

微分器：Differentiator The differentiator is shown in Figure 6 and, as the name implies, is used to perform the mathematical operation of diff...

差分放大器：The Difference Amplifier The difference amplifier is the complement of the summing amplifier and allows the subtraction o...

加法器：Summing Amplifier The summing amplifier, a special case of the inverting amplifier, is shown in Figure 4. The circuit gives an ...

單位增益緩沖器：The Unity-Gain BufferThe unity-gain buffer is shown in Figure 3. The circuit gives the highest input impedance of any operational amplifier circu...

同相放大器-The Non-Inverting Amplifier Figure 2 shows a high input impedance non-inverting circuit. This circuit gives a closed-loop g...

反相放大器 The Inverting Amplifier The basic operational amplifier circuit is shown in Figure 1. This circuit gives closed-loop gain of R2/R1 whe...

1.5V LED手電筒制作電路 LED高亮發(fā)光二極管具有節(jié)能、壽命長、高亮度等優(yōu)點。非常受歡迎，因此我就在這里介紹怎么樣使用發(fā)光LED制作1.5V的手電筒...

自制6N9P+6P3P單端膽機電路圖 輸入靈敏度：0.8Vrms輸出阻抗：8Ω輸出功率：7W（有效功率，負載電阻8Ω，1kHz，THD=10%）頻率響應：13～33k Hz-3dB（負載電阻8Ω，輸出...

自制膽石混合式Hi-Fi功放 電子管擴音機以其溫暖柔和，飽滿甜美的音色吸引了一代又一代的音響愛好者。但它也有一個致命的弱點：輸出阻抗高，須用輸出變壓器才能...

自制6P14小功率膽機 甲類放大器越來越受到人們的重視。究其原因一是甲類放大器不存在交越失真現(xiàn)象，不會產(chǎn)生刺耳的奇次諧波，這是音質(zhì)清純之...

18W膽場輸出甲類功放電路 這是一款輸出功率１８Ｗ的甲類功放，末級采用電流串聯(lián)負反饋電路（輸出級自給偏壓電阻兩端旁路電容被取消），電氣...

用TDA2030制作的有源功放電路圖 TDA2030是德律風根生產(chǎn)的音頻功放集成電路，采用V型5 腳單列直插式塑料封裝結(jié)構(gòu)...

用TDA1521制作的15W雙聲道功放電路圖 現(xiàn)在電腦用的低音炮，大部分采用的都是高保真功放IC TDA1521A制作功放電路，TDA1521A采用九腳...

用TDA2822制作的立體聲迷你小功放電路 TDA2822是ＳＧＳ公司生產(chǎn)的低電壓小功率功放集成功放電路，由于價格極為低廉（幾毛一塊），線路簡單，因此...

用TDA7294制作的功放電路圖 TDA7294集成功放電路是歐洲著名的SGS—THOMSON公司推出的一款Hi—Fi大功率DMOS集成功放電路。今天就為大家介紹三種使用TDA7294集成功放塊制作的...