IC Decap – TDA3606 Multi Regulator With Battery Sense

This is a chip aimed at the automotive market – this is a low power voltage regulator for supplying power to microcontrollers, for instance in a CD player. The TDA3606 is a voltage regulator intended to supply a microprocessor (e.g. in car radio applications). Because of low voltage operation of

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Cisco PSU Hack & Switched Mode PSU Background

Recently I decommissioned some networking equipment, and discovered the power supplies in some switches were single rail 12v types, with a rather high power rating. I figured these would be very good for powering my Ham radio gear. They’re high quality Delta Electronics DPSN-150BP units, rated at a maximum power

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Hair Dryer

This is a 1500W hairdryer, death caused by thermal switch failure. This is the switch unit. Attached are two suppression capacitors & a blocking diode. Cold switch is on right. Heating element unit removed from housing. Coils of Nichrome wire heat the air passing through the dryer. Fan unit is

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