This document is a datasheet for the Atech ATS-255L device. It provides specific electrical characteristics for use with 56K bps modems in low-profile applications.
The datasheet lists parameters such as DC resistance (DCR), inductance, return loss, insertion loss, frequency response, longitudinal balance, turn ratio, and total harmonic distortion (T.H.D.).
| Application Mode | 56K bps MODEM, LOW PROFILED |
|---|---|
| Pin 1-3 DC Resistance | 187 OHM +/- 10% |
| Pin 4-6 DC Resistance | 119 OHM +/- 10% |
| Inductance (Parallel) | 22H MIN. <28H TYP. |
| Return Loss (600 OHM) | 250B MIN. |
| Insertion Loss | 3.1+/-0,30B |
| Frequency Response | +/-0,150B |
| Longitudinal Balance | 800B MIN. |
| Turn Ratio (6KHz) | 1+/-1% |
| T.H.D. (@300Hz) | -83dB MAX. |
It is an electrical component intended for use with a 56K bps modem.
The resistance is 187 ohm plus or minus 10% for pins 1-3, and 119 ohm plus or minus 10% for pins 4-6.