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297 Infinite Phase Shifter
The Model 297 Infinite Phase Shifter displaces the phase of an applied signal by up to 1,800 degrees, depending on frequency and number of stages selected. The phase-shifted signal may be combined with the original to create a moderately warped comb filter with complementary outputs. Notch density and depth can be varied through feedback (resonance) and stage selection. A wide range sweep oscillator enables the familiar cyclical phase shift effect.
All parameters (phase shift, notch depth, sweep rate, sweep depth, resonance) are voltage controlled, with processing control inputs where appropriate. A built-in envelope follower facilitates the creation of amplitude-dependent effects.
The 297 is capable of ‘barber pole’ phasing, with the phase shift (and the consequent filter peaks and notches) continuously moving in one direction. Unique circuitry provides (or consumes) the extra time involved in this process. The rate of change can be varied up to 2.5 octaves per second in either direction and is voltage-controllable.
Please note that the 297 is not an ‘e’ series module; its parameter settings cannot be internally stored.
Please allow 4-6 weeks for delivery.