Computing Operations For Logarithmic/Exponential Functions TRIZ Cases

A stacked-transistor feedback loop keeps collector-base voltage near zero, extending log-linear range at small currents with better speed and stability.

A replica bipolar transistor compensates emitter resistance error, extending log-linear range and improving low-current accuracy.

Using log amplifiers on 2f and 1f filtered detector signals, this case removes phase dependency while cutting WMS demodulator complexity and power.

Adjustable summer and activation circuits match VMM array current output to cut power use while keeping analog neural processing flexible.

Adjustable summer and activation circuits match VMM current range to cut neural network power use while preserving analog memory flexibility.

A subtraction-based inverse-log circuit preserves output linearity without temperature correction, cutting adjustment time and improving accuracy.

A multi-tanh compensation circuit stabilizes log-transistor behavior against temperature drift while preserving bandwidth and dynamic range.

Matched FETs and feedback loops keep output current proportional to input voltage squared despite process and temperature variation.

A frequency-switched bipolar log converter uses an AC diode connection to keep low-current response fast while maintaining high-frequency stability.

An LC oscillator replaces transistor differential amplification to compute nonlinear functions accurately with a simpler, lower-power circuit.

A clamping circuit regulates voltage swings in an RMS detector to reduce settling times.

Dynamic pre-distortion adjusts peak current to resolve speed versus adaptability trade-offs in VCSEL drivers.

A programmable analog classifier circuit uses a bump circuit and variable gain amplifier to store template vectors.