Difference between revisions of "SCF-2"
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[[file:SCF-2_Channel_Schematic.PNG]] | [[file:SCF-2_Channel_Schematic.PNG]] | ||
| + | |||
| + | ==== Used as Digital Input ==== | ||
| + | |||
| + | * 550K input impedance presents light load | ||
| + | * R1/R3 - Input scale resistors | ||
| + | ** Ex: 5.0V control voltage to 3.0 V | ||
| + | * Clipping diodes protect inputs | ||
| + | * R1/C1 create input filter = 2.2mS = 454 Hz | ||
| + | |||
| + | ==== Used as Digital Output ==== | ||
| + | |||
| + | * DNP R3, C1 | ||
== Connectors == | == Connectors == | ||
Revision as of 07:57, 25 September 2022
Contents
Features
- Digital Inputs or Outputs
- (2) 3.5mm Jacks
- Scaling resistors
- Schottky Clamping Diodes
- Filter cap
- (2) 4-40 mounting holes
Schematic
Used as Digital Input
- 550K input impedance presents light load
- R1/R3 - Input scale resistors
- Ex: 5.0V control voltage to 3.0 V
- Clipping diodes protect inputs
- R1/C1 create input filter = 2.2mS = 454 Hz
Used as Digital Output
- DNP R3, C1
Connectors
J2, J2 - 3.5mm Jacks
- Tip
- Sleeve
J3 - I/O Connector
- 1x8 Header, 0.1"
- Pinout
- VCC
- VCC
- VP1 - Tip J1
- Switch J1
- VP2 - Tip J2
- Switch J2
- GND
- GND
