Spec

Code snippets

curl "https://api.oanor.com/adc-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/adc-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/adc-api/v1/meta");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/adc-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "notes": "Bits are whole numbers; voltages in volts, frequencies in hertz. Vref is optional — supply it to get LSB and quantization figures.",
        "service": "adc-api",
        "formulae": {
            "lsb": "Vref / 2^N",
            "enob": "(SNR − 1.76) / 6.02",
            "alias": "|f_in − round(f_in/fs)·fs|",
            "levels": "2^N",
            "ideal_snr": "6.02·N + 1.76 dB",
            "nyquist_rate": "2 · f_max",
            "rms_quantization_noise": "LSB / √12"
        },
        "endpoints": {
            "GET /v1/meta": "This document.",
            "GET /v1/sampling": "Nyquist rate, Nyquist frequency and alias frequency.",
            "GET /v1/resolution": "Bits → levels, LSB step, full-scale range, ideal SNR and the code for a voltage.",
            "GET /v1/quantization": "Quantization error/noise, ideal SNR and ENOB from a measured SNR."
        },
        "description": "ADC/DAC data-converter calculator: bit resolution (levels, LSB, ideal SNR, dynamic range), Nyquist sampling and aliasing, and quantization error / noise / ENOB."
    },
    "meta": {
        "timestamp": "2026-06-04T18:38:10.186Z",
        "request_id": "6f1e244f-74af-44e2-b31d-d76ee383f938"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}