Low-Frequency Multiplier


Posted on Sep 9, 2012

This circuit uses a comparator as a Schmitt trigger (311H) and two active bandpass filters (LM318H). 3-kHz output


Low-Frequency Multiplier
Click here to download the full size of the above Circuit.

is obtained. Higher harmonics (preferably odd) can be obtained by tuning the active filters to the desired frequency. can be 1, 3, 5, 7, 9, etc. Even harmonics can be produced by substituting a full-wave rectifier or absolute-value circuit for the Schmitt-trigger comparator.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Sola Sound ToneBender
Current sensing relay
Bridge balance indicator
Bcd-to-analog converter
20Mhz-clock-phase-lock
Scr Circuit With Self-Interrupting Load
Pulse Train
CONDENSER MIC SCHEMATIC
Laser Activated Switch
Pololu Circuit
IC Controlled Emergency Light With Charger Circuit
Speed of Light with Nanosecond Pulsed 650 nm Diode Laser
Energy-saving lamp electronic ballast circuit
A plurality of sets of three loop flashing lights chain circuits
450 800Hz signal generator circuit diagram
Single-ended Class A amplifier circuit diagram of 6N1 + 6P3P



Top