Difference between revisions of "VFO-005"
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[[File:ArdProMini-Pins.PNG]] | [[File:ArdProMini-Pins.PNG]] | ||
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| + | === Rotary Encoder/Breakout Board === | ||
| + | |||
| + | [[File:RotaryEncoderCAD.PNG]] | ||
| + | |||
| + | [[File:Si5351_004_720px.jpg]] | ||
| + | |||
| + | * Includes pushbutton Switch | ||
| + | * Includes Pull-Up resistors | ||
| + | * Needs R/C filter on output for debounce | ||
| + | * [https://playground.arduino.cc/Main/RotaryEncoders/ Reading Rotary Encoders] - Arduino reference | ||
| + | * [https://github.com/mprograms/SimpleRotary Simple Rotary Encoder Arduino library] | ||
| + | * [http://www.mathertel.de/Arduino/RotaryEncoderLibrary.aspx Library for the Arduino environment for using a rotary encoder as an input] | ||
Revision as of 02:08, 7 November 2020
AD9833 Based VFO
- Arduino Pro Mini
- AD9833 Function Generator
- Digitally programmable frequency and phase
- 12.65 mW power consumption at 3 V
- 0 MHz to 12.5 MHz output frequency range
- 28-bit resolution: 0.1 Hz at 25 MHz reference clock
- Sinusoidal, triangular, and square wave outputs
- 2.3 V to 5.5 V power supply
- No external components required
- 3-wire SPI interface
- Extended temperature range: −40°C to +105°C
- Power-down option
- Update Rate: 25(max)
- VOUT Maximum: 0.65V
- VOUT Minimum: 38mV
- VOUT Temperature Coefficient: 200°
- Input High Voltage: 1.7-2.8V
- Input Low Voltage: 0.5-0.7V
- Input Current: 10µA
- Input Capacitance: 3pF
- Operating temperature range is −40°C to +105°C; typical specifications are at 25°C
Arduino Pro Mini
Rotary Encoder/Breakout Board
- Includes pushbutton Switch
- Includes Pull-Up resistors
- Needs R/C filter on output for debounce
- Reading Rotary Encoders - Arduino reference
- Simple Rotary Encoder Arduino library
- Library for the Arduino environment for using a rotary encoder as an input
