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Posts tagged bc549

PA 3000W namec circuit diagram

PA 3000W namec circuit diagram PA 3000W namec electronic manufacturing audio #3000w circuit diagram using MPSA42, BD681, MJE350, MJE340, BC549, MJ21193 / MJ15025, MJ21194 /MJ150024 The larger watt power amplifier, the greater the power is needed from the power supply, then the resulting sound more devastating. required power supply 130v DC

InPowered battery charger circuit

InPowered battery charger circuit diagram schematic 6V-12V using NE555, LM7812, 2SA671, 1N4002, BC549 auto battery charger circuit On a lithium-ion cell, 3.8V/cell indicates a state-of-charge of about 50%. It must be noted that utilizing voltage as a fuel gauge function is inaccurate because cells made by different manufacturers produce a slightly different voltage profile. This […]

DC Power Supplies with Remote

DC Power Supplies with Remote DC Power Supplies with Remote circuit modules using MTP75N06, SG3525, BC549 Variable Programmable DC power supply 30v to 12v, some DC–DC converters include “Remote Sense” connection points

HA1388 Schematic audio amplifier 18w

HA1388 Schematic audio amplifier

25W FM DSP transmitter schema

25W FM DSP transmitter schema using 1971 and 1970

ptc speaker protection

ptc speaker protection

Power Delay On-Off with LDR

Power Delay On-Off with LDR using 1N4004, BC548, Relay, LDR

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