|
|
ECN-0148 |
| Title |
EZ Borris Oscillator Modification |
| Equipment |
Diamond4 EZ Boris
Board - EBM 1850A |
| Author |
Adam Proffitt |
| Drawing
No |
n/a |
| Date |
3rd December 2003
|
| Reason
for ECN |
Crystal circuit gives noise on internal pll. |
| Special
Parts Required |
12MHz Oscillator EXO3
(05-03-0417)
|
| Special
Tools Required |
None |
|
Work
Required |
- Remove crystal oscillator components
X3,C19,C20,R40.
- Break off pins 2, 5 and 7 of EXO3
oscillator.
- Bend up and trim pins 3 and 8.
- Solder pins 1 and 4 into circuit board as shown in
photo.
- Scrape off solder resist and solder pin 6.
- Connect 3V3 supply wire from hole in pcb to pins 8 and 3.
|
|
