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Posts tagged audio transistor amplifier

Best Audio Transistors

High power audio transistor list Best Audio Transistors High power audio transistor list Best audio transistors, Audio output transistors audio transistor amplifier  

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. […]

Portable detector

Portable detector Kristal Checker – Krystal Detector circuit using BC107 Kristal Checker – Krystal Detector circuit using BC107 Portable detector R1 ………….. 39K ohm R2 ………….. 1K ohm R3 ………….. 100K ohm C1 ………….. 680pF C2 ………….. 150pF C3 ………….. 1K pF C4 ………….. 4,7K pF TR1 …………. BC107 TR2 …………. BC107 D1 ………….. 1N60 […]

Power Ampli Circuit using uPC1188H

Power Ampli Circuit using uPC1188H, 2SC945 Although the amp sounds great 20 W Audio Power Amplifier uPC1188H

15W Audio Amplifier Circuit

15W Audio Amplifier Circuit using TDA1553Q

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