Variable frequency, fixed amplitude digital sweep generator

Variable frequency-dividing circuit

Variable gain control circuit

Variable impedance circuit employing an RIS field effect transis

Variable input power supply

Variable lens and birefringence compensator

Variable level periodic excitation circuit for a capacitive load

Variable level translator

Variable peak detector

Variable pulse width circuit

Variable pulse width generator including a timer vernier

Variable pulse width precision pulse generator

Variable rate bi-directional slew control and method therefor

Variable rate rectangular matched filter

Variable rate rotary pulse generator

Variable reference signal generating circuit and analog comparat

Variable resistance circuit

Variable resistance circuit

Variable segmented ramp voltage synthesizer

Variable thresholding circuit for converting an analog signal to