NR/L3/SIG/11761/D140
ET200 / TI21 Audio Frequency Track Circuit - Tuning Unit, End Termination Unit and Surge Protected End Termination Unit Test Rig
| Organization: | NR |
| Publication Date: | 1 September 2013 |
| Status: | active |
| Page Count: | 43 |
scope:
GENERAL
This handbook describes the ET200 Tuning Unit, End Termination Unit and Surge Protected End Termination Unit Test Rig, consisting of the Oscillator Module, Power Amplifier, Test Module and Track Load Module used for setting-up and testing ET200 Tuning Units, End Termination Units and Surge Protected End Termination Units. The setting-up procedures are specified in the Production Test Specifications - PTS124490A4, PTS124508A4 and PTS580001919A4.
A procedure for checking the calibration of the Test Rig on a daily, before -use basis ('Daily Calibration') is given in Section 2.2; an 'annual' calibration check procedure is detailed in Appendix 1.
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