TDA1519 audio amplifier circuit diagram project
The TDA1519 circuit can deliver 2x6 watts output power. TDA1519 is an integrated class-B dual output amplifier in a 9-lead single in-line (SIL) plastic medium p...
TDA1029 audio signal source switch circuit diagram electronic project
The TDA1029 is a dual operational amplifier (connected as an impedance converter) each amplifier having 4 mutually switchable inputs which are protected by clam...
TDA1020 12W audio amplifier circuit design electronic project
The TDA1020 is a monolithic integrated 12 W audio amplifier in a 9-lead single in-line (SIL) plastic package designed as car audio amplifier but it can be used ...
LM3915 audio power level meter circuit design electronic project
using the LM3915 monolithic integrated circuit can be designed a very simple audio power level meter that senses analog voltage levels and drives ten LEDs, LCDs...
LM1036 volume controller equalizer electronic project
This volume controller equalizer electronic project is designed using LM1036 DC tone volume controller with volume and balance circuit for stereo applications. ...
BA3822 five-point stereo graphic equalizer circuit design
BA3822 five-point stereo graphic equalizer integrated circuit has two channels, and the five center frequencies for each channel are independently set using ext...
Audio distribution electronic project circuit diagram
This audio distribution electronic project circuit diagram is designed using the TL064 or TL06 operational amplifiers and some other common electronic parts. ...
2 channel audio mixer circuit using transistors
This 2 channels audio mixer is based on the 2n3904 transistors which forms 2 preamplifiers. The first preamplifier of the audio mixer has a high gain and can be...
TDA2004 power audio amplifier for car radio
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TDA2003 10W Car Radio Audio Amplifier
Completely safe operation is guaranteed due to protection against DC and AC short circuit between all pins and ground, thermal over-range, load dump voltage sur...
VU Meter 9 Leds
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Audio Beat Detect ?« Electronic Product Design
This circuit uses a digital pot to allow the microcontoller to automatically adjust the gain of the circuit to suit the ambient audio volume, but you could repl...
use CD-ROM drive as stand-alone audio CD player
Ensure that the 12V(yellow) wire is connected to the right of the D-connector(as seen from behind, i. e the connector holes away from you with the curved portio...
stereo channel circuit diagram
The add-on circuit presented here is useful for stereo systems. This circuit has provision for connecting stereo outputs from four different sources/channels as...
Electret Condenser Microphone Amplifier
Amplifier circuit for electret microphones (condenser microphones). Amplifier the audio signals picked up by the electret microphone, using 741 op-amp and a 2N2...
hiwatt custom 20 tube amp hum
A friend of mine bought a fairly new (only a couple of years old) Fender 60W combo off a guy he knew for £5. The original owner had taken it to three different...
designing audio circuit tape delay
Hi, this is my first post here. For the past few days I`ve been building a tape delay unit. Mechanically, it works well, but I still need to design a circuit to...
audio notch filter
At first glance this circuit looks fairly complex, but when broken down, can be divided into high pass and low pass filter sections followed by a summing amplif...
5x10 vu meter
A nice schematic for an lm3915 VU meter. I have attempted to create a band pass filter in order to only input part of the audio frequency spectrum into the VU m...
some mic preamp vu meter
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