Amplified Ear

31.03.2016 | Audio
Amplified Ear
circuit diagram Parts:P1 22K Log. Potentiometer (see Notes)R1,R9 10K 1/4W ResistorsR2 1M 1/4W ResistorR3...
Stable GPA
The scheme has good stability of both frequency and amplitude signal. Actually the generator is made on transistors VT1-VT2. Transistor...
Simulator siren sound
Electronic simulator, schematic diagram of which is presented on Fig. 1, mimics the sound of a siren. The device...
Low pass filter - Subwoofer
Note: The text is AUTO translated from Greek The acoustic spectrum is extended by very low frequencies 20Iz and...
Audio indicator
When designing various automation devices and alarm happens need a sound indicator of the state of any node. Often, this...

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