Frequency To Amplitude Conversion TRIZ Cases
- Passive Band-Pass Frequency-to-Voltage Conversion for Wideband Signals
A passive band-pass filter and peak detector convert sinusoidal frequency into DC voltage across a wide range with low power and low ripple.
- Hybrid Frequency Monitoring Circuit for Fast Wide-Range Detection
A voltage-based monitor plus a coarse counter circuit improves frequency resolution without adding latency across a wide input range.
- Dual-Path Frequency Monitoring Circuit for Fast High-Resolution Detection
A voltage-based path plus a coarse counter monitors clock frequency quickly across wide ranges without sacrificing resolution or adding latency.
- Six-Port Circuit Delay Lines for Accurate SAW Resonator Measurement
Different delay times in a six-port circuit improve SAW resonator frequency and phase measurement under changing conditions.
- System Frequency Detector With Dynamic Filter Time Constant
A system frequency detector adjusts its moving average filter time constant based on frequency deviation, suppressing erroneous detection during disturbances.
- High-Frequency Signal Detection via Attenuation Ratio
A high-frequency signal detection method splits signals into raw and reference paths, then rectifies them to generate DC voltages for frequency determination.
- Induction Heating Vessel Detection via Waveform Pulse Counting
A sensing coil controller converts resonant signals into square waveforms to identify cooking vessel properties.
- Line Frequency Detector Using Dual Band Pass Filters
A line frequency detector uses parallel band pass filters to generate characteristic signals for accurate frequency determination.