1.0 μ 11 15 9 10 +V 2 CC 820 k Speed/Ramp 5 M F Selector 47 k g Resistive R2 u Network 68 k 1 e 6 TDA1085C 820 k 4 100 t B p s 120 T / c 1.0 μ 13 D n A C7 100n A 8 e p 7 1 m l 0 . c 470 μ 4 12 8 16 14 3 5 o t C m n 1.0 μ C R3 r 47 μ 2.7 k c 150 k t C16 C14 100n 47n 50 k R16 68 k Tacho Generator 22 k Shunt