10. Adımdaki Değişiklikler
Düzenleyen: jdp23 —
Düzenleme onaylandı tarafından Geoff Wacker
- Önce
- Sonra
- Değiştirilmemiş
Adım Satırları
[* black] The gold antenna array pops out, and [http://d3nevzfk7ii3be.cloudfront.net/igi/o4y5JYw5fJr2eLCN|sees all]. | |
[* black] With the fan released, it looks to be powered by a Nidec brushless DC motor, model number AG720K01. | |
- | [* red] The motor controller IC |
+ | [* red] The motor controller IC is an Allegro Microsystems [http://www.allegromicro.com/en/Products/Motor-Driver-And-Interface-ICs/BLDC-Fan-Driver-ICs/A5940.aspx|A5940LPT] Three Phase Sensorless Sinusoidal Fan Driver. |
[* icon_note] We noticed a few cavities around the edges of the impeller filled with some sort of epoxy ([http://d3nevzfk7ii3be.cloudfront.net/igi/aKVQSBkeF42O6LcO|on both sides|new_window=true]). We suspect it's for fine-tuned balancing, to keep the fan running smooth and quiet. |