Archive for August, 2008

Loudspeaker Fuse Placement for Audio Amplifier to Preserve A Good Bass Response

By Technofreak at 6 August, 2008, 9:51 am

To protect the loud speaker from destructive signal, the most simple way is by placing a fast blown fuse between speaker and the amplifier output. This common solution is depicted in the figure 1 (a). Figure 1. Fuse Placement to Preserve Good Bass Response The fuse in the circuit has a significant resistance to generate [...]

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Anti Burglar Alarm, A Half Lie is Much More Dangerous Than 100% Lie

By Technofreak at 5 August, 2008, 3:52 pm

The idea that a half lie is much more dangerous than 100% lie is implemented in this design. Rather than showing off that our car is 100% protected by a sophisticated alarm and protection system, this anti burglar protection circuit prefer to lie that the car is not protected by any electronic alarm or any [...]

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