Hi If three phase is actually needed, I'd suggest something like a cheap PIC with three PWM outputs. Fairly simple R/C's on the outputs should be plenty good enough to filter out any crud. Good frequency stability / accurate phase shift / cheap. What's not to like ….
Bob On Mar 27, 2013, at 9:44 PM, kb0...@juno.com wrote: > Bill Ezell; > > Your Gyro may require 3 phase, 400 cps, 28 vac, Sine wave. > > A simple "Buffered Phase Shift Oscillator" for 400 cps can create the Sine > Wave. > https://www.circuitlab.com/circuit/h6v28g/buffered-phase-shift-oscillator/https://www.circuitlab.com/circuit/bakd83/phase-shift-oscillator-ii/You > will need to add an AGC to the output for frequency stability. > A "3 Phase Generator" can create the 3 phase > output.https://www.circuitlab.com/circuit/m4u5nw/3-phase-generator/ Add 3 > Amplifiers (one for each phase) to reach voltage/power. > If the Gyro is directional, it will take several hours to stabilize. > > Carl > ____________________________________________________________ > Refinance your home now > Loans under 729K usually qualify for US GOV backed refinance programs > http://thirdpartyoffers.juno.com/TGL3131/5153a0bf2812c20bf6124st04duc > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
