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唱机前置放大器电路 (Phono Preamplifier)Parts: R1_________47K 1/4W ResistorComments: In recent years, following CD's int......
精密音频毫伏表电路 (Precision Audio Millivoltmeter)Measures 10mV to 50Volt RMS in eight rangesConnect J2 and J3 to an A......
语音记录 (Speech Recorder)PARTS LISTR1 = 1k The 2 pushbuttons = S1: Start/Pause. S2: Stop/Reset.If you want to pla......
便携式耳机放大器 (Portable Headphone Amplifier)PartsR1 = 10K 1/4W Resistor Technical data: Current drain: 35mA per cha......
100W音频放大器电路 (100 W Audio Amplifier)General Description This is an exceptionally well designed amplifier, with ......
10W迷你音频放大器 (10W Mini Audio Amplifier)R1 : 6 Ohm R2 : 220 Ohm R3 : nothing R4 : 10 KOhm pontesiometer C1 : 2200......
18W音频放大器电路Amplifier parts: P1 = 22K Log.Potentiometer (Dual-gang for stereo) Notes: Can be directly connected ......
电子衰减器电路 (Electronics Attenuator)两个低电压,低功耗齐纳基准源是用来控制电子的音频信号的水平。衰减范围是从6五十八分贝一个从0.042输入电流从2.7七十七毫安相应的控制电压至7.5V。如果......
数字音量控制器电路 (Digital Volume Control)Click on the image to view the fullCircuit of a digital volume control using......
衰减式音调电路图及原理高音、低音分开调节:C1、C2、W1构成高音调节器,R1、R2、C3、C4、W2构成低音调节器。W1旋到A点时高音提升,旋到B点时高音衰减。W2旋到C点时低音提升,旋到D点时低音衰减。组成音调电路的......