USB sound card Electronic Circuits and Diagrams ... Description. Designing and building a USB sound card is no longer a head ache because we have got the PCM 2702 integrated circuit from Texas Instruments. The PCM2702 is an integrated 16 bit digital to analog converter that has two digital to analog output channels. The integrated interface controller of PCM2702 is compliant to the USB 1.0 standards. USB sound card – Circuit Wiring Diagrams The VBUS (USB bus power) pin and DGND (digital ground) pins of the IC are connected to the 5V and ground pins of the USB respectively. The circuit requires 5V DC and 3.3V DC for operation and both of these voltages can be derived from the USB port using LDO (low drop out) voltage regulators (not shown in circuit). Circuit diagram. USB Sound Card with PCM2902 – Circuit Wiring Diagrams This is USB sound card with PCM2902 chip. For the purpose of testing the D A converters, I built a simple USB sound card with the circuit PCM2902. The card has analog input and output, an electrical S PDIF output, galvanically separated input and optical input and output TOSLINK. PCM2706 USB Sound Card | Electronic Schematic Diagram Here is the USB sound card circuit based on PCM2706 which dedicated for USB audio. With USB controller module inside PCM2706, there is no more additional programming to the IC. The computer system will automatically detect this circuit when connected to the USB port. You will get stereo audio channel output from this circuit. Schematic Diagram: PCM2706 USB Sound Card Electronic Circuit Diagram Here is the USB sound card circuit based on PCM2706 which dedicated for USB audio. With USB controller module inside PCM2706, there is no more additional programming to the IC. The computer system will automatically detect this circuit when connected to the USB port. You will get stereo audio channel output from this circuit. Schematic Diagram: (PDF) USB sound card Electronic Circuits and Diagram ... Search Home Buy Project Kits Store Advertise With Us Write For Us Ads by Google Circuit Diagram Download to USB USB MP3 Player Sound Card USB Home Audio Circuits USB sound card USB sound card Last Updated on April 7, 2010 by jacky in Audio Circuits, USB Circuits with 13 ments China cheap PCB Prototype PCB 2Layer 10x10cm Only $10! My World My Rules: USB Sound Card Circuit Blogger A USB sound card circuit can be designed using a 16 bit digital to analog converter PCM2702. It consists of two D A output channels and USB 1.0 compatible integrated interface controller. It can accept sampling data rates of 48KHz, 44.1KHz and 32KHz. USB port is connected to the IC through the 4 pins D , D , Vbus and DGNDU. Make a Sound Card with PCM2704 Electronics DIY This device is fully functional sound card for PC. The main advantage of using PCM2704 against PCM2702 is much easier construction. As you can see on the block diagram it has built in 5V and 3.3 voltage regulator, HID interface (MUTE, VOL , VOL ), S PDIF output. The circuit can be powered directly from USB port. Next advantage is that the output DAC is able to drive directly 32ohms headphones ... USB Sound Card with PCM2702 Electronics Lab This circuit works very well. I only shorted crystal during soldering so the circuit didn t work, but after removing the short the sound card started to work. I have tested in Windows 2000, XP and Vista. It works in all mentioned systems. Drivers are present in operation system so the sound card is ready in few seconds after you connect it. USB Sound Card Hack ElectroSchematics Because USB sound cards are usually hassle free, you will likely just need to plug it into a vacant USB port to start the fun. Furthermore, your accidental slips never break your internal sound card, thus preventing costly disastrous consequences. You can obviously connect your hardware to your PC through the microphone input of the USB sound card.

usb sound card circuit diagram Gallery


lm231 frequency converters special function amplifiers

lm231 frequency converters special function amplifiers

usb controller circuit with pcm2902

usb controller circuit with pcm2902

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sound level meter circuit

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usb circuit computer circuits next gr

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lm2674 5v switch mode power supply

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headphone amplifier circuit design

lm231 frequency converters special function amplifiers

lm231 frequency converters special function amplifiers

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0 1v to 50v variable power supply

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nettigo raspberry pi b

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low noise audio preamplifier circuit

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