Universal voltage-controlled multivibrator
Unstable laser resonator having radial propagation
Unstable optical resonator with off-axis noncentered obscuration
Unstable optical resonator with self-imaging aperture
Unstable optical resonators with tilted spherical mirrors
Unstable resonator having high magnification
Unstable resonator laser system
Unstable ring resonator with cylindrical mirrors
Up-Doppler simulator
Use of configurable capacitors to tune a self biased phase...
Use of multiple beams from frequency augmented laser radiation
User-definable low cost, low noise, and phase hit...
User-definable thermal drift voltage control oscillator
Using hysteresis to generate a low power clock