| Update # |
Description |
Clarification |
Reference |
| 1 |
R10 is SoT |
For 74ACT14 inverters, R10 should be 18k. For other families, eg F04 and 14,
change the value appropriately. |
FC1015 Construction Notes
- Specific Comments |
| 2 |
Identifying orientation of IC201 and 202 |
Hold IC with pins horizontal, and chamfered edge of package by bottom row of pins.
In this position, Pin 1 is the leftmost pin on the bottom row. |
FC1015 Construction Notes
- Specific Comments |
| 3 |
Improved response to 30MHz filter |
Replace C9 and C11 with 33p and 4p7 in parallel (gives better tuning range)
Reduce C10 to 1p2 - reduces bandwidth of filter |
See updates in all documents |
| 4 |
Improved response to 15MHz filter |
Replace C203 with 4p7 - reduces bandwidth of filter |
See updates in all documents |