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Motor Control
Circuits Page 1c Motor Controls: #-CD-LM-PQ-Z Last Updated on:
Monday, October 03, 2011 06:07 PM
Circuits Designed by Dave
Johnson, P.E. :
555 Timer Forms Simple PWM Motor Controller Using a CMOS version
of the 555 timer, this circuit can be used to control the speed of a motor by
adjusting the duty cycle of the pulses sent to the motor. (added 7/06)
Links to electronic circuits, electronic schematics, designs for engineers,
hobbyists, students & inventors:
BEAM Stepper: 74AC240-based circuit to drive small bipolar stepper
motors (e.g., ones in floppy drives) (added 11/05)
Bi-directional Motor Speed Regulator: 02/05/2004 EDN-Design Ideas
In low-noise analog circuits, a high-gain amplifier serves at input to
increase SNR. The input signal level determines input-stage gain;
low-level signals require highest gain. It is also standard practice in
low-noise analog-signal processing to make circuit's bandwidth as narrow as
possible to pass only useful input-signal spectrum.
Designed by Andrew
R. Morris (added 10/05)
