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Posts tagged BC558

variable dc power supply circuits

variable dc power supply circuits power relay suppliers using BC558, BC548 variable dc power supply circuits variable dc power supply circuits for power supply relay

Variable dc power supply circuit diagram

Variable dc power supply circuit diagram Variable dc power supply circuit diagram using lm317 Variable dc power supply circuit diagram Variable dc power supply circuit diagram

Circuit control temperature fan ceiling

P1_____________22K R1_____________15K R2____________100K R3,R6__________10K R4,R5__________22K R7____________100R R8____________470R R9_____________33K C1_____________10nF D1________BZX79C18 D2_________TIC106D D3-D6_______1N4007 Q1,Q2________BC327 Q3___________BC337 SK1__________Female Mains socket PL1__________Male Mains plug & cable R3-R4 and P1-R1 are wired as a Wheatstone bridge in which R3-R4 generate a fixed two-thirds-supply “reference” voltage, P1-R1 generate a temperature-sensitive “variable” voltage, and Q1 is used as a bridge balance detector. […]

Tone Control circuit

Tone Control circuit using TR C1213 and A561 Tone Control circuit using TR C1213 and A561

Whether the purpose of transmitting TV Make?

Whether the purpose of transmitting TV Make? Different course different, the most important is to effectively cables, usually emitted in the room to receive room without cables. Afiata.com trying to invite you to learn with a TV transmitter uses FM modulation to 1 standard for voice and PAL video modulation. Audio signal to be modulated […]

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