Audio Mixer Circuits
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This fast circuit is compatible with any amplifier that has a line or high-level input (radio, CD) that allows you to mix the signals from a microphone with the music source of your choice also add sound effects to your voice, which are adjustable in.... -
The sound is taken from a musical instrument in two different ways. Through a microphone that is placed in place by the instrument amplifier or via a direct connection between the instrument and the mixing console via a direct-box device. The benefits of.... -
Balanced diode mixer circuit is shown. Diode 2AP9 2. Due to the use of two diodes and the voltage is large, the diode operates in the off state, it is also known diode switch tube balanced mixer... -
Balanced mixer circuit is shown by the two dual-gate field effect transistor. RF signal by the input signal transformer Tl effect transistors coupled to the gate of the two, th.. -
Chemical mixer circuit having a stirring speed, thermostat and timer alarm function can be used in chemical, steel and other industries. (1) circuit works heating magnetic stir.. -
Commonly used in industrial and mining enterprises power mixer, mixing materials because often smell or dust, the operator should not be too close to the contact. Light control.. -
This circuit illustrates some possible buffer combinations. Tbese include a differential input stage, a voltage follower as well as both noninverting and inverting stages. The allowable resistor ratios and recommended device types are also included. One.... -
By inserting a high-pass filter section in the IF lead, this mixer is terminated at all frequencies, besides the IF, for oth.. -
CMOS switches are used directly to select the entries in the audio circuits, it can introduce unacceptable levels of distortion, but if the switch is included in the feedback network of an op amp, the distortion due to the switch may be virtually eliminated..... -
Using two op amps, this circuit produces a full-wave rectified version of the input signal. Op amp IC1 invert.. -
This mixer is built around a TL072 dual BiFET op amp with a JFET input stage, and can be powered from a single-ended 9-to 18-V power supply. The microphone input is capacitively coupled to the noninverting input of U1a. Resistors R1 and R3 set the voltage.... -
This circuit can be used as a mixer and a stereo track four. The quad op-RNAP IC gives a little gain for each track, the pan control provides panning between one and two tracks with the switch to high, and with the switch to low, it is possible to pan.... -
This stereo mixer has two mono mixers and a modification to the microphone inputs. When a microphone is in u.. -
Four (or more) inputs can be mixed and produce stereo output. Gain of each stage can be boosted by adding RX, but it should be kept below 50 (RX above 2 K) to avoid poor frequency, response. If more than four stages are used, decrease RXto 6 K for six.... -
A high signal-to-noise ratio is important in signal construction and combination. The HA-5147 aids in lowering overall system noise and thereby raises system sensitivity. The signal combination circuit incorporates input bufferiug with several other.... -
A simple digital mixer, based on two dual-Schmitt triggers (4583B) and three exclusive-OR gates, uses an RC time-delay circui.. -
This circuit uses buffer stages to prevent channel crosstalk back through the mixer resistor network. The potentiometers used for each stage allow for convenient signal strength adjustment, while maintaining input impedance matching at the 600-0 audio.... -
The proposed mixer is designed around four current-driven transconductance amplifiers contained in an SSM2024 from Precisio.. -
This circuit mixer has an internal amplification with 2N3563 transistor. The two input signals can be independently controlled by VRI and VR2. The VR3 balance control is used to remove a signal while the other melted. .. -
Three audio circuits are combined in the circuit shown. Each input is coupled to its own level potentiometer (Rl, R2, or R3) an.. -
This panning circuit (short for panoramic control circuit) provides the ability to move the apparent position of one microphone"s input between two output channels. This effect is often required in recording studio mixing consoles.. -
The dynamic mixer combines two audio inputs by adding the primary signal, Input A, to a gain-controlled signal, Input B.. -
To provide good signal-to-noise ratio, this four channel mixer amplifier controls the signal levels after the amplifiers, and then mixes them to offer a combined output. The circuit works with any 50 ohm to 50 K dynamic microphone but not with crystal or.... -
A TL081 op amp is used as a high impedance to low. converter and a signal mixer. The input impedance is about 1 megohm and the output impedance is about 1 kohm. Two 9 volt batteries are used as power source. .. -
The problem with using two zeners back to back in series to get symmetrical clamping is that the knee of the.. -
The target of this project was the design of a small portable mixer supplied by a 9V PP3 battery, keeping high quality performance. The mixer is formed assembling three main modules that can be varied in number and/or disposition to suit everyone needs... -
This simple circuit mixes two or more channels into one channel (eg. stereo into mono). The circuit can mix as many or as few channels as you like and consumes very little power. The mixer is shown with two inputs, but you can add as many as you want by just.... -
The target of this project was the design of a small portable mixer supplied by a 9V PP3 battery, keeping high quality performance. The mixer is formed assembling three main modules that can be varied in number and/or disposition to suit everyone needs... -
If two of these circuits are made in the same enclosure for stereo, then there can be a single power supply to run both of them. There should be a resistor in series with the incoming 9V+ lead so as to minimize crosstalk, and reduce the PLOP when it's.... -
Most cards of sound in computer, are deprived stereo input for microphone, on the contrary have stereo input for high level [ Line ]. The circuit uses the input Line of card of sound, in order to we place a two mono stereo microphone, in the input of card of.... -
With this circuit you can mix four separate audio inputs. Each input will accept high or low impedance microphones, phonograph, tape or aux signals. You can adjust the gain of each input by adjusting each respective pot. With the Stereo/Mono switch you can.... -
This digital volume control has no pot to wear out and introduces almost no noise in the circuit. Instead, the volume is controlled by pressing UP and DOWN buttons. This simple circuit would be a great touch to any home audio project...
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New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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