Fcal Circuits

Most Fcal applications will require an external circuit to convert sensor or other input voltages to frequency. A collection of such circuits is provided with Daqarta, in the Documents - Daqarta - Circuits folder.

• Frequency Prescaler
  • Printable Schematic and Layouts
  • PCB File
• Bipolar Voltage To Frequency
  • Printable Schematic and Layouts
  • PCB File
• Temperature To Frequency
  • Printable Schematic and Layouts
  • PCB File
• Thermocouple To Frequency
  • Printable Schematic and Layouts
  • PCB File

Each circuit has been designed to run from a single 9 V "transistor radio" battery. (See also 9 Volt Battery Connectors.) Standard, low-cost parts have been used throughout.

See Printed Circuits for a general overview of construction options, including Printed Circuit Construction and professional board fabrication.

See also Printed Circuit Construction, Fcal Dialog, Frequency Counter