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Name:

Motion Filter / Follower

Manufacturer / Designer:

PAiA Electronics

Revision:

10/29/95

Model #

5720

Initial Frequency +V 100pf 1M
+

+V 500k

6
-

11 7

IC1a In
5

4

Sensitivity 0.1uf 500k
1 3M9
-

+

1M
+

A 2N4124

1uf 1M

3

150

1uf D2

D1
+

2

+

IC1b +Vr A 0.01uf 0.01uf

1uf

47k
+

1uf +V 10k

10

1uf
8
-

+

1M
10

10k

100k
14
-

100k

1M

9

+

12

IC1c

13

1

14

+

+Vr 9v 100 500k Offset 1M
+

IC1d +Vr IC2
4

10 5 12 13 2 3

1k Out

1N4001

100uf +V +Vr 0.05uf

7 11 IC1 - 4136 Quad Op-amp S1 IC2 - 4066 Quad Switch D1, D2 - 1N4148 or 1N914 Connect pads marked "A" together. Offset is a trim pot that can be adjusted after roughly 15 minutes of "burn in" time. Adjust it until you hear no popping when pressing the Cancel switch S1. There is no need to play into effect during adjustment. Correct setting should be near the middle of the rotation.

+