Switched Capacitors Control TRIZ Cases
- Amplifier Switch Distortion Compensation With Dual Capacitor Banks
Dual programmable capacitor banks counteract switch nonlinearity in an amplifier, enabling gain switching with lower voltage distortion.
- Gain-Compensated CT Delta-Sigma Modulator for Limited Amplifier Gain
A separate gain compensation stage lets a single-stage inverter integrator keep high SQNR while reducing power in broadband CT delta-sigma modulators.
- CT Delta-Sigma Integrator Gain Compensation for Low-Power Linearity
A gain-compensated inverter integrator improves CT delta-sigma linearity and SQNR while avoiding the power cost of high-gain stages.
- Capacitive Variable Gain Circuit With Transient Compensation
Pre-charged compensation capacitors let receiver gain switch quickly during radar interference bursts without transient settling or SNR loss.
- Variable Gain Feedback Circuit for Fast Settling Interference Handling
Dynamic capacitor-ratio switching with charge compensation cuts settling during gain changes, helping radar receivers handle interference bursts.
- Capacitor Divider Gain Control for Switch Distortion Compensation
Programmable capacitor banks on both switch terminals cancel FET nonlinearity, preserving amplifier gain control with lower noise and distortion.
- Level-Shift Buffer Amplifier With Feedback for PVT Stability
A controllable resistance and feedback loop keep level shift stable under PVT variation without large current changes that hurt bandwidth.
- Common-Mode Coupled AC Amplifier for Small-Signal Gain Without Saturation
AC-coupled gain resistors let multi-channel amplifiers boost small AC signals amid large DC offsets while limiting saturation and common-mode noise.
- Programmable Gain Amplifier Capacitor Switching for Stable Gain Changes
Switching among segmented capacitors keeps PGA gain unchanged during reconfiguration, reducing disturbance and improving circuit stability.
- Level-Shift Buffer Amplifier Circuit for PVT-Stable Output
Variable resistance compensates PVT-driven level-shift drift in a push-pull buffer amplifier while preserving bandwidth and output resistance.
- Duty-Cycle Feedback Circuit for Stable Signal Receiving
A capacitor-based feedback loop adjusts amplifier bias voltage to correct duty-cycle drift from transconductance changes and prevent signal distortion.
- Capacitive Accelerometer Interface Circuit for Gain and Range Trimming
Multiple programmable capacitors split gain trimming and acceleration range selection to improve programming precision and reduce parasitic effects.
- Shared Amplifier Gain Control for Multi-Band Wireless Receivers
A shared amplifier and per-chain gain settings let multi-band receivers maintain signal quality, avoid clipping, and cut power use.
- An interface circuit for a capacitive accelerometer sensor
Three programmable capacitors split gain trimming and acceleration range selection, improving precision while limiting parasitic capacitance impact.
- Variable Gain Amplifier Compensation for Stable Bandwidth
Continuous gain-based capacitance compensation keeps a variable gain amplifier stable across gain changes while avoiding bandwidth loss and output glitches.