Difference between revisions of "ER-DELAY-01"

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== Design ==
 
== Design ==
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=== Daughtercard Prototyping Area ===
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[[FILE:ER-PROTO-02-DB_REAR_PWR.png]]
  
 
* PT2399 Delay IC
 
* PT2399 Delay IC

Revision as of 10:52, 22 January 2023

Features

  • PT2399 Delay/Echo
    • The PT2399 is a CMOS single-chip echo processor IC
    • A high sample rate ADC converts the analog data into a bitstream, which is then stored in internal 44Kbit RAM
    • After processing, the bitstream is de-modulated by DAC and lowpass filter
    • The internal VCO clock frequency determines the overall delay duration
    • The user can easily modify the VCO frequency by changing the external resistance
  • Eurorack 3U, 6HP card
  • Built on ER-PROTO-02 card
  • PT2399 has a maximum current of 30mA
  • Jacks
    • J5 IN
    • J6 OUT
  • Controls
    • RV1 In/Out mix
    • RV2 Delay Length
  • 10 pin Eurorack power jack

Design

Daughtercard Prototyping Area

ER-PROTO-02-DB REAR PWR.png

  • PT2399 Delay IC

ER-DELAY-01 U1 P2399.PNG

  • Pots connector on Daughtercard

ER-DELAY-01 J28 POTS.PNG

  • Jacks connector on Daughtercard

ER-DELAY-01 J29 JACKS.PNG

  • Power connector on Daughtercard

ER-DELAY-01 POWER.PNG

78L05 pkg.PNG

  • Pots connector on Controls card

ER-DELAY-01 J8 CTRL POTS.PNG

  • Pots connector on Controls card

ER-DELAY-01 J7 CTRL JACKS.PNG