01 · NUMBER
Base Converter
Convert an integer between binary, octal, decimal and hexadecimal.
Engineering and Learning Toolbox
02 · UART
Baud-Rate Divider
Estimate an integer divider, achieved baud rate and relative error.
03 · CIRCUIT
Resistor Divider
R1 connects to the input and R2 to ground; resistance is in kΩ.
04 · PWM
PWM Duty-Cycle Calculator
Calculate timer clock, ARR, CCR, actual frequency and high time.
05 · SERIAL
Serial Frame Explainer
Combine data, parity and stop bits and estimate frame overhead and useful throughput.
06 · FPGA
DDS Frequency Word
Calculate FTW, actual output and resolution from clock, target frequency and accumulator width.
07 · UART
UART Telemetry Budget
Estimate line use, utilization, maximum update rate and time per frame.
08 · ADC
ADC Quantization
Calculate ideal unipolar ADC LSB, code, code voltage and quantization error.
09 · COMMUNICATION
Communication SNR / BER
Calculate SNR, Es/N0, theoretical BER and expected errors for BPSK or Gray QPSK in ideal AWGN.
10 · MARKDOWN
Markdown Preview
Safely preview headings, emphasis, links, quotes, lists and code without executing input HTML.
11 · FORMULA
Formula Reference
Look up common circuit, signal and communication formulas with variable definitions.
12 · LATEX
LaTeX Formula Tester
Render a LaTeX expression as vector math; first use requires loading MathJax.
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