Making best mic preamp 3 TR using C644, C828 Making Preamp Mic 3 TR using C644, C828
Posts tagged C644
Tv transmitter circuit using lm1889n
Tv transmitter circuit using lm1889n Cl1 – LM1889n Q1, Q2, Q4 – BC547 Q3 – BD135 D1 – BB809 R1, R15 – 82 Ohm R2 – 120 K Ohm R3 – 27K Ohm R4 – 1,2 K Ohm R5, R13, R14 – 270 R6 – 470 Ohms R7 – 56k Ohms R8 – 68k Ohms […]
PA Phone Circuit
PA Phone Circuit Diagram with CX77313 Sony Ericsson K700
Preamp mic schematic and Audio Megaphone
Preamp mic schematic and Audio Megaphone using BC547, TDA7052 P1_____________22K R1_____________22K R2,R3_________ 100K R4_____________47K R5______________2K2 R6______________6K8 R7_____________22K R8______________2K7 C1,C6_________ 100nF 63V C2,C3__________10µF 63V C4_____________22µF 25V C5_____________22nF 63V C7____________ 470µF 25V Q1_ BC547 IC1 TDA7052 SW1____________SPST MIC____________electret microphone SPKR___________8 Ohm Loudspeaker
STK078 circuit power Compo audio
STK078 circuit power Compo audio