ELECTRONIC CIRCUIT

The 4093 CMOS integated circuit using BC547 , BC548
The 4093 CMOS integated circuit
Parts
R1 180 KOhm
R2 12 KOhm
R3, 8 47 KOhm
R4 3,9 KOhm
R5, 6, 16 10 KOhm
R7, 10, 12, 14, 17   100 K
R9, 11 1 MOhm
R13, 15 3,3 KOhm
C1, C6 10uF/16V
C2 47uF/16V
C3 4,7 pF
C4, C7 1 nF
C5 10nF
C8, C11 4,7 uF/16V
C9 22uF/16V
C10 100 nF
C12 2,2 [...]

Mini Mixer
Mini Mixer circuit using BC550C, BC547, BC557
Mini Mixer circuit using BC550C, BC547, BC557
Mini Mixer
P1,P2,P3______5K
R1,R11,R15____180K 1/4W
R2,R12,R16____2M2 1/4W
R3,R13,R17____750R 1/4W
R4,R14,R18____1K 1/4W
R5____________15K 1/4W
R6____________220R 1/4W
R7____________1K5 1/4W
R8____________820R 1/4W
R9____________150R 1/4W
R10___________100K 1/4W
C1,C6,C8______1µF
C2,C4,C7,C9___100µF
C3,C5_________220µF
Q1,Q4,Q5______BC550C
Q2____________BC547
Q3____________BC557