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Home » Power
Huntkey Jumper 600B Power Supply Review
Author: Gabriel Torres 23,802 views
Type: Reviews Last Updated: February 23, 2012
Page: 3 of 11
Transient Filtering Stage
Hardware Secrets Silver Award

As we have mentioned in other articles and reviews, the first place we look when opening a power supply for a hint about its quality, is its filtering stage. The recommended components for this stage are two ferrite coils, two ceramic capacitors (Y capacitors, usually blue), one metalized polyester capacitor (X capacitor), and one MOV (Metal-Oxide Varistor). Very low-end power supplies use fewer components, usually removing the MOV and the first coil.

In the transient filtering stage, this power supply has four Y capacitors and one X capacitor more than the minimum required; however, it doesn’t come with an MOV, which is responsible for removing spikes coming from the power grid.

Huntkey Jumper 600B
click to enlarge
Figure 8: Transient filtering stage (part 1)

Huntkey Jumper 600B
click to enlarge
Figure 9: Transient filtering stage (part 2)

On the next page, we will have a more detailed discussion about the components used in the Huntkey Jumper 600B.

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