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Simple Voice Recorder and Playback Circuit
https://makingcircuits.com/blog/simple-voice-recorder-playback-circuit/
This specific circuit has been made with Win bond’s ISD1616 IC (SMD) IC, that is certainly a purely integrated, single-chip, single message voice …
A list of Simple audio circuits and amplifiers for DIY(Do ...
https://www.circuitstoday.com/simple-audio-circuits
Voice, Sound Recorder Circuit - ElectroSchematics.com
https://www.electroschematics.com/voice-sound-recorder-circuit-schematic/
The circuit contains a microphone amplifier and a speaker amplifier. We can say it’s a digital voice recorder. S1 switch is for recording / …
Voice/Audio Recorder Playback Circuits - Homemade …
https://www.homemade-circuits.com/make-single-chip-programmable/
Audio Record/Playback Circuit using IC ISD1820 The second concept explains the functioning of the IC ISD1820 which is a single chip audio …
Simple Audio Circuits - Making Easy Circuits
https://makingcircuits.com/blog/audio-amplifier-circuits-using-fet/
Simple Audio AGC Amplifier The gain of the FET amplifier stage can be simply governed by adjusting the DC gate bias voltage, the gain regulating contrarywise with the voltage. Once the control voltage is obtained from some …
Voice recorder/playback circuit - Electronic Circuits and ...
https://www.circuitstoday.com/voice-recorderplayback-circuit
The circuit is designed as per the application diagram in the datasheet.Pin23(CE) is the chip enable pin and it has to be held low using …
Simple Audio Loudness Control Circuit - circuits-diy.com
https://circuits-diy.com/simple-audio-loudness-control-circuit/
Simple Audio Loudness Control Circuit. In this tutorial, we are going to make an “Audio loudness control circuit “. A loudness control circuit for an audio device is used or compensating for the loudness characteristics of the human ear. As sometimes it becomes harder for a listener to hear bass tones and high tones when the sound volume ...
Audio Amplifier Circuit
https://web.ece.ucsb.edu/Faculty/rodwell/Classes/ece2c/labs/Lab%201a%20-%202C%202007.pdf
designed as an audio driver, the LM386, shown in Figure 1-5. Figure 1-5 – LM386 internal circuit and 8-pin DIP pin assignments. This is an old chip that has been a popular choice for low-power audio applications for many years. There are many other audio amp ICs …
5 Simple Preamplifier Circuits Explained - Homemade ...
https://www.homemade-circuits.com/small-amplifier-circuit/
The circuit is a simple two transistor pre-amplifier using a feedback loop for enhancing the amplification. Any music as we know is in the form of a consistently varying frequency, therefore when such a varying input …
Audio Switch Notes - Neat Circuits
https://www.neatcircuits.com/audiosw/index.html
The circuit below is an example of a simple audio switch: Values are not critical so experiment for best results. The 2N2222 or any signal NPN transistor is used to invert the control logic if required.
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