PT is a four-channel input digital audio processor utilizing CMOS Technology. Volume, Bass, Treble and Balance are incorporated into a single chip. PT datasheet, PT pdf, PT data sheet, datasheet, data sheet, pdf, Princeton Technology Corporation, 4-Channel Input Audio Processor IC. PT datasheet, PT circuit, PT data sheet: PTC – 4-Channel Input Audio Processor IC,alldatasheet, datasheet, Datasheet search site for Electronic .

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Make sure your analog and digital grounds are connected only at one point.

I built PCB using application circuit from datasheet. Long tracks can pickup noise p2314 lot easier. I’m experiencing some strange drawing bugs in Fritzing, some of them can be seen in the schematic file and datasehet the IC labeling. Since this is a simple design, the board you have designed should work, but I would like to point out things that would save you from having troubles in more complicated designs.

Some additional guidelines for a good PCB design: This might lead to noisy analog signal and even parasitic oscillations.

There must be at least some solder mask between them. Please share PT example arduino code. I finalized the updates and tried to implement as many of the suggestions as possible without total rerouting.


I’m currently implementing several of the changes you propose and will post updated files later. I bought a pair of 3w 4ohm USB speakers that I intend to gut and use.

Also it will affect the impedance of transmission lines. Please let us know your experiences with these ICs. Does someone have some example of sketch? I have no prior PCB designing experience and my electronics knowledge is basic.

PT Datasheet(PDF) – Princeton Technology Corp

I bought a Pt chip, I have build the board but I can’t write the sketch. Thank you, Best regards. Datasheft you will have a digital noise in your analog circuitry, it can even cause parasitic oscillations. Audio does’nt go throu PT Otherwise when soldering in the oven, the solder will be sucked by via.

PT Datasheet pdf – 4-Channel Input Audio Processor IC – Princeton Technology Corporation

I have opted for resistors and ceramic capacitors and a couple of ceramic capacitors. This might lead to arcing in high voltage circuits, increase EMI radiation in high speed and power circuits. Luckily these are only minor problems.

I have also included dtasheet few photos of commercial implementations of the PT for reference: I put PT on it with others elements. Some homemade uses of the PT Write some sketch with some instructions and send to Arduino volume,channel, etc.


This capacitor is needed to filter out the noise coming from and going back to power supply rail. PT datasheet MS datasheet A couple of screen captures from the datasheet: They might lead to EMI problems.

PT2314-D Datasheet

Hi, please can you put your code here. Vias must be apart from component pads. Thanks for the great feedback VaidasZ! You definitely don’t want that. Most of the audio paths are short, exept for the two audio pt2341 that needs to cross the IC due to the IC’s pinout.

For this reason I would suggest placing components in different way. For every power input pin of the IC especially digital IC’s you must place a bypass capacitor a capacitor from Vcc,Vdd, As in the pictures you have attached, all capacitors should be close to the pins of IC.

I hope the choices I have made does not degrade the audio quality noticeably lt2314 is still “safe” enough. Also, make py2314 that all your digital and analog signal grounds have different paths until they meet the IC.