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PT2399 Echo Processor IC

2017-12-21 00:02  
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The PT2399  is a single chip echo processor IC utilizing CMOS technology. Which accept analog audio input signal, a high sample rate ADC transfer the analog signal into a bit stream then storage to internal 44Kbit RAM, after processing the bit stream will de-modulate by DAC and lowpass filter. Overall delay time is determined by internal VCO clock frequency, and user can easy to change the VCO frequency by changing the external resistance. The PT2399 performs low distortion (THD<0.5%@0.5Vrms) and low noise (No<-90dBV) characteristic for audio purpose, and pin arrangement and application circuit are optimized foreasy PCB layout and cost saving advantage.

PT2399 Pinout, Pinouts 
PT2399 Pinout, Pinouts

 

Diagrams

PT2399

 

PT2399 Application circuits 
Digital Echo Processor PT2399 has a high sampling frequency and 44K memory. Digital Echo Processor PT2399 to repro echo digital audio system of repro VCO delay time system that can be arranged. Digital Echo Processor PT2399 has a very low audio distortion of (THD <0.5%) and very low noise as well (No <-90dBV) so that the Digital Echo Processor PT2399 is capable of providing good audio quality.

PT2399 Application circuits

Digital Echo Schematics

 


Description:
Setting the external resistor from 10 K Ohm to 50 K Ohm. If the value is greater then the Delay Time also increases.

 

PT2399 Application circuits

PT2399 Application circuits