Archive for category: Audio and Amplifier

Simple Metronome using transistor

Audio and Amplifier | By: Diagram mania

This circuit be Simple Metronome circuit model to be simple. It use the transistor be important equipment by very the circuit is the character Astable Multi vibrator. For produce something the sound beep. By can fine VR1 for get sound tone Generator follow can want. A loudspeaker that use to is supposed to impedance 8 […]

Simple Metronome using transistor

Audio and Amplifier | By: Diagram mania

This circuit be Simple Metronome circuit model to be simple. It use the transistor be important equipment by very the circuit is the character Astable Multi vibrator. For produce something the sound beep. By can fine VR1 for get sound tone Generator follow can want. A loudspeaker that use to is supposed to impedance 8 […]

Remote and Touch Volume Controls by IC MC3340P

Audio and Amplifier | By: Diagram mania

Remote and Touch Volume Controls circuit by MC3340P If you are tired of adjusting the volume with a normal volume. I suggest this is the remote and touch volume controls circuit. You can adjust the volume by pressing the touch. To increase or decrease the volume of the amplifier, the microphone and other easily. We […]

Sanyo LA4275 Power Amplifier Datasheet

Audio and Amplifier | By: Diagram mania

LA4275 Power Amplifier device commonly used in sound power amplifier circuit, with 7 pin SIP of small size package. It doesn’t need bootstrap capacitor as it has minimum number of external parts required. Featuring High power and low distortion (PO = 6.0W) it also can be operated in wide voltage range (10 V to 32 […]

Under The Surface, All Modern Audio Systems are The Same

Audio and Amplifier | By: Diagram mania

In today’s marketplace for audio equipment, designers are challenged to satisfy very demanding consumers who expect high quality, multifunction audio products that are cost-competitive and feature-rich. Consumers expect the very best listening experience from any audio format, any source and from both home and mobile audio systems. This places a great deal of pressure on […]

The TDA7801 Datasheet, a Quad Bridge Amplifier for Car Audio Applications

Audio and Amplifier | By: Diagram mania

Amplifier’s provide high-performance sound reinforcement for your mobile audio equipment. The TDA7801 is a new BCD technology quad bridge amplifier for car audio applications. The on-chip digital diagnostic processor and I2C bus add all the intelligence and configurability that are needed today in automotive systems while enhancing the listening experience and giving into system reliability. […]

200mA 12V Op Current Gain Stage (Current Booster) Circuit Design

Audio and Amplifier | By: Diagram mania

An output booster is needed when you want to achieve the needed current/voltage gain. Great output commonly need in accociation with the the output power limitation of mostly IC processing. The following figure shows you circuit diagram of the typical current gain stage if you want to design a booster stages which achieve power gain […]

How to Use VCO buffer for Isolating Oscillator Circuit’s Output

Audio and Amplifier | By: Diagram mania

The article herein describes information on how voltage controlled oscillator (VCO) buffer may isolate oscillator circuit’s output problems. The VCO buffers which being used are MAX2472/2473 from Maxim Semiconductor. It discussed issues related to VCO circuits such as load pulling, supply pushing, phase noise and effects of radiated energy from nearby power amplifiers (PAs). You […]

SA58631 Audio Amplifier Block Diagram Schematic

Audio and Amplifier | By: Diagram mania

SA58631 is single-channel audio amplifier which generates a power output of 3 W with an 8-Ω load using a 9V supply. The herein schematic appears SA58631 Audio Amplifier Block Diagram. The SA58631 has a Bridge Tied Load (BTL) amplifier with a complementary PNP-NPN output stage and on-chip logic for standby and mute. It can be […]

RA53 Stereo Headphone Amplifier Connection Schematic

Audio and Amplifier | By: Diagram mania

This stereo headphone amplifier device may provide up to ten channels of headphone monitoring if a 1/4” Link Input/Output jack is provided for connecting two RA53 units together. The schematic below illustrates a possible operation for this RA53 stereo headphone amplifier. As you can see, the headphones are connected to the outputs on the front […]