Difference between revisions of "Si5351 Oscillator Breakout Board"
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[[File:VFO3.PNG]] | [[File:VFO3.PNG]] | ||
| + | |||
| + | === J1 - Daisy-chained I2C === | ||
| + | |||
| + | # SCL | ||
| + | # SDA | ||
| + | # +3.3V | ||
| + | # GND | ||
| + | |||
| + | === J2 === | ||
| + | |||
| + | * VFO out / GND Pairss | ||
| + | |||
| + | # VFO0 | ||
| + | # VFO1 | ||
| + | # VFO2 | ||
== Software == | == Software == | ||
Revision as of 15:45, 10 March 2021
Contents
Features
- I2C Daisy-chain connector
- 3 outputs
- 25 or 27 MHz crystal (Rev 1)
- 27 MHz TCXO (Rev 2)
- Can be used as a heat shrinked assembly with cables
Pinout
J1 - Daisy-chained I2C
- SCL
- SDA
- +3.3V
- GND
J2
- VFO out / GND Pairss
- VFO0
- VFO1
- VFO2
Software
Measurements
- 10 MHz FFT
- Square wave has high odd harmonic content
Assembly Sheet
| Qty | Value | RefDes | Qty | Value | RefDes | |
|---|---|---|---|---|---|---|
| 2 | 0.1uF | C1,C2 | 1 | Header, Right Angle, 2x3 | J2 | |
| 2 | 2.2K | R1,R2 | 1 | Header, Right Angle, 2x4 | J1 | |
| 1 | TCXO, 27 MHz ASE-xxxMHz | U2 | ||||
| 1 | Si5351A | U1 |
