ER-VCA2-01

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Revision as of 18:15, 23 November 2022 by Blwikiadmin (talk | contribs) (→‎Rev 2)
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ER-VCA2-01 SET P1080800-720PX.jpg

Features

  • Eurorack card
    • 3U tall
    • 6HP wide
    • 3 card set
  • Dual Voltage Controlled Amplifier (VCA)
  • LM13700 based
  • Pots adjust between input and Mod jacks
    • CW - output is fully controlled by MOD jack
    • CCW - output is not controlled by MOD jack
  • +/- 12V Power, 10-pin power connector

Credits

Connectors

J1 - Daughtercard Pots

ER-VCA2-01-DB J1.PNG

  • POT1 = RV1 = Modulation Adjust Channel 1
  • POT2 = RV2 = Modulation Adjust Channel 2

J2 - Daughtercard Eurorack Power

ER-VCA2-01-DB J2.PNG

J3 - Daughtercard Control Card Jacks

ER-VCA2-01-DB J3.PNG

  • Controls card J3 = OUT1 (bottom left jack)
  • Controls card J4 = OUT2 (bottom right jack)
  • Controls card J5 = MOD1 (middle left jack)
  • Controls card J6 = MOD2 (middle right jack)
  • Controls card J7 = IN1 (top left jack)
  • Controls card J8 = IN2 (top right jack)

Reference

Video

Checkout

Rev 2

  • Headers line up
  • Tested as set, works great
  • View from rear side

ER-VCA2-01 SET P1080806-720PX.jpg

Rev 1

  • Headers between cards do not line up
    • Fix on Controls card
      • Make Rev 2 Controls card
      • Move down bottom header J2 to match daughtercard
    • Cut off 0.1" of controls card using vice/hacksaw
    • Use female headers on bottom of daughtercard
    • Use right angle pin header pins to connect to pads (remove plastic)

ER-VCA2-01-CTRLS CONN RWK.png

Assembly Sheet