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A ring modulator is an electronic device for ring modulation. A ring modulator may be used in music synthesizers and as an effects unit. The name derives from the fact that the analog circuit of diodes originally used to implement this technique takes the shape of a ring: a diode ring. [2]
A ring modulator placed in a Fabry-Perot laser cavity was reported to eliminate the tuning power by automatic matching of the laser wavelength with that of the ring modulator while maintaining high-speed ultralow-power modulation of a Si microring modulator.
Micrometre-scale silicon electro-optic modulator [3] This device was fabricated a shape of the p-i-n ring resonator on a silicon-on-insulator substrate with a 3-mm-thick buried oxide layer. Both the waveguide coupling to the ring and that forming the ring have awidth of 450 nm and a height of 250 nm.
The MF-102 is an analog ring modulator. [1] This moogerfooger heterodynes the dry audio signal with a carrier wave that is generated by an internal oscillator.The user can vary the frequency of the carrier oscillator from 0.6 Hz to 80 Hz on the Lo setting and from 30 Hz to 4 kHz on the Hi setting.
The VCS 3 has three oscillators (the first two normal voltage-controlled oscillators; the third a low-frequency oscillator), a noise generator, two input amplifiers, a ring modulator, 24 dB/octave low-pass voltage-controlled filter, [citation needed] a trapezoid envelope generator, a joystick controller, a voltage-controlled spring reverb unit, and two stereo output amplifiers.
Ring oscillator test structures fabricated on silicon using p-type MOSFETs of different sizes. A schematic of a simple 3-inverter ring oscillator whose output frequency is 1/(6×inverter delay). A ring oscillator is a device composed of an odd number of NOT gates in a ring, whose output oscillates between two voltage levels, representing true ...
Ring modulation (labeled "Bell Tone") - this is actually amplitude modulation of VCO 1 and 2) Polyphonic oscillator. This is a divide-down, square wave generator. It is routed to the VCF and the VCA; LFO that can modulate the oscillators and the filter using a triangle, square, or random sample-and-hold waveform
A split-ring resonator array is configured as a material that produces a negative index of refraction. It was constructed of copper split-ring resonators and wires mounted on interlocking sheets of fiberglass circuit board. The total array consists of 3 by 20×20 unit cells with overall dimensions of 10×100×100 mm. [1] [15]