In this Article we present a semiconductor injection laser that operates in the terahertz range with an emission spanning more than one octave, from 1.64 THz to 3.35 THz (wavelengths from 89.5 ...

97 keys, and just a single octave. Take a listen to this microtonal piano ... Eschewing standardised piano tuning, the ‘Mikroton’ has a key-to-key pitch difference of a 1/16-tone, an eighth of the ...

Figure 1 A seven-octave LPVCO comprises Q1 Q2 antilog pair that converts the 0 V to 5 V Vin, to a 1 µA to 128 µA Ic2, for a proportional 2 7 = 128:1 change in C1 ramp rate and U1 oscillation frequency ...