Sinusoidal Oscillators Operating at Frequencies Exceeding Unity-Gain Bandwidth of Operational Amplifiers

GAIN AND BANDWIDTH BOOSTINq TECHNIQUES FOR HIGH-SPEED OPERATIONAL AMPLIFIERS

CMOS continuous-time and switched-capacitor filters which operate at high frequencies with high Quality factor Q are difficult to realize. The finite gain and tlie fulite bandwidth of the integrator amplifiers are the main limitation. This paper describes two techniques to siniultaneously increase bandwidth. transconductance. and DC-gain of an amplifier without changing the excess bias or the p...

Gain and bandwidth boosting techniques for high-speed operational amplifiers

CMOS continuous-time and switched-capacitor filters which operate at high frequencies with high Quality factor Q are difficult to realize. The finite gain and the finite bandwidth of the integrator amplifiers are the main limitation. This paper describes two techniques to simultaneously increase bandwidth, transconductance, and DC-gain of an amplifier without changing the excess bias or the pow...

Equivalent Gain Analysis for Nonlinear Operational Amplifiers*

For low-voltage, low-power circuit design, the linear model for operational amplifiers is insufficient to accurately predict the static and dynamic behavior of the circuit. This paper introduces a nonlinear model for operational amplifiers based on amplifiers’ DC transfer characteristic. By using this nonlinear model, the behavior of an operational amplifier with feedback network can be describ...

Field Solutions for Bidirectional High-Gain Laser Amplifiers and Oscillators

Microstrip Superconducting Quantum Interference Device Amplifiers with Submicron Josephson Junctions: Enhanced Gain at Gigahertz Frequencies