Digital-Analogue Convertors TRIZ Cases
- DAC Frequency Synthesis with Sampling-Frequency Dithering
Alternating DAC sampling frequencies spreads alias power across Nyquist zones, easing filtering while keeping the same output frequency.
- Segmented DAC Calibration and MSB Randomization for Linearity
Selective MSB randomization and calibration improve DAC linearity across low and high frequencies without added area or latency.
- Segmented Chirped-Pulse Spectroscopy for Broadband Detection
Segmented chirped-pulse Fourier transform spectroscopy expands measurable bandwidth through heterodyne downconversion and fast DAC-generated sweeps.
- Segmented RF Transmitter Architecture for Wideband Power Efficiency
Segmenting constellation regions and shifting LO phase cuts RF power loss while preserving wideband modulation and simpler DAC usage.
- Segmented DAC Shuffling for ADC Linearity and Fast Conversion
Parallel DAC slices use dynamic shuffling to cut integral non-linearity while preserving fast code response and low noise.
- RF DAC Broadband Sender Architecture for Low-Noise Upconversion
An RF DAC combines frequency conversion and filtering to cut circuit stages, noise, distortion, and cost in broadband signal transmission.
- Switched-Resistor DAC Architecture for Faster Low-Glitch Conversion
Multi-stage switched resistor networks and Gray code conversion improve DAC speed, cut output glitches, and lower power use.
- Segmented DAC Digital Offsets for Backoff Distortion Reduction
Adaptive digital offsets help segmented DACs cut mismatch errors and differential nonlinearity, improving SFDR in backoff conditions.
- Current Interface Converter Circuit for Self-Testing Calibration
On-board feedback checks the current interface during operation, detecting drift and extending calibration intervals without external test equipment.