8/15/2019 8 Step Sequencer

1/1

1k 1M 10k

11

10

9

4k7

680pF

 CVtune

11 1

9

10

11

12Ri

Rm Rt

C

4051 4060

H G F E D C B A

4051

2mA LEDs

000 A 000 A001 B 010 C010 C 001 B011 D 011 D

100 E 100 E101 F 110 G110 G 101 F

111 H 111 H

11

Repeatonly 4

Mixsteps

T217

4060

Lower 4

Speed

9V

GateMoog..

CV

tune

11 11 11

4051

LED

Gate

(falling KORG)

200k

10 x 10k..25k lin Pot1 x 10k lin Pot tune1 x 1M lin Pot

2 x 200k*1 x 100k*2 x 10k**1 x 3k3 LED limit1 x 4k7 Ri1 x 1k1 x 150R Limit

2 x 10n Ceramic*1 x 560pF Ceramic

2 x 1N4148 Diode*10 x LED 2mA1 x 4060 CMOS2 x 4051 CMOS1 x 40106 CMOS*

3 x T217 Double pole**  changover switch

10k

3 Switches:

- Repeat 8 OR 4 steps- If 4,upper OR lower- Mix step sequence:

3S

3k3

GateKorg..

3 Switches:

- Repeat 4 OR 8 steps- If 4,lower OR upper- Mix step sequence

  4 8

L U

 M 

A B C D E F G H

H G F E D C B A

2*10n

Gate

200k

A B C D E F G H

fallingrising

1ms

(rising MOOG etc)

8-Step-Sequencer

1

4051

POT

4060

OSC

40106 Inv

Speed

100k

Wired OR 

150R

25k

1M

25k

4k7

1k

*Option

StepTime=16384*2,2*C*(Rm+Rt)

2*200k

2*10n3k3

Steps

GateSig

10k

**Option

**

Gate & StepMix Options

+5..9V

+5..9V

TIP: Ground unusedgate inputs (or use for OSC)

+OUTCV/Current

150R 

10..18k

40106

100k10k