Amplifiers With Impedence Circuits TRIZ Cases
- Buffered Flipped Voltage Follower LDO With Feed-Forward Compensation
Feed-forward compensation restores stability and power supply rejection in buffered flipped voltage follower LDOs for high-bandwidth RF CDAC use.
- Adjustable Gain Amplifier Circuit With Selectable Attenuation
Selectable attenuation expands amplifier gain range while preserving linearity and noise figure and minimizing loading and current use.
- MOS Voltage Follower Circuit for Low-Impedance Loads
A three-MOS voltage follower drives low-impedance loads while cutting circuit scale and element count to keep input and output voltages equal.
- Peaking Adjustment Circuit With Stable Peak Frequency Tuning
A variable resistor, LC network, and follower stage let peaking amount change while keeping peak frequency and output response stable.
- Push-Pull Clock Buffer for Low-Jitter High-Q Distribution
A push-pull source follower clock buffer preserves high-Q resonance to distribute multi-channel clocks with lower jitter, noise, and power.
- Active Pixel Sensor Readout With Dynamic Bias Feedback
Closed-loop current sensing and classAB feedback speed active pixel sensor readout while cutting settling time and power use.
- Four-Stage Analog Amplifier for Low-Noise Laser Anemometry
A four-stage analog amplifier boosts weak photodiode signals with low noise, wide bandwidth, and impedance matching for accurate wind-speed measurement.
- Rail-to-Rail Source Follower Circuit for Stable Bandwidth
A dual NMOS-PMOS follower with level shifters extends output swing to both rails while preserving bandwidth, transient response, and impedance.
- Unity-Gain Buffer Auxiliary Output Stage for Higher Slew Rate
An auxiliary output stage and control stage add transient push-pull current to a unity-gain buffer, boosting slew rate while limiting signal coupling.
- Differential Source Follower for 6 dB Gain in WiGig Filters
A modified differential source follower replaces op-amp feedback in Sallen-Key WiGig filters, delivering 6 dB gain and 880 MHz bandwidth.
- Bandgap Circuit PVT-Independent Current Generation
A bandgap circuit generates a stable reference current using PTAT and CTAT components to cancel temperature variations in low voltage domains.