WASHINGTON-- The track circuit likely to blame for last month's fatal train crash is failing throughout the rail system, according to Metro officials.. Metro's train detection system did fail on ...

Compared to the simple diode needed to demodulate AM radio signals, the detector circuits used for FM are slightly more complicated. Wrapping your head around phase detectors, ratio detectors, disc… ...

But this circuit detects the long pulses in a pulse train whose pulses need not be of equal duration. The circuit in Figure 1 outputs the pulses which are longer than the set width. This output can be ...

G train riders are in for yet another summer of subway headaches.

The essential work they perform is multifold - maintaining signal lights, train detection circuits, automatic train stops, switch lock movements, interlocking plants, electric and compressed air ...

Metro's train detection system failed in two ways, according to the National Transportation Safety Board. First, it showed the struck train was not stopped and on the tracks when it actually was.

The railway line between Tunbridge Wells and Hastings will be closed for nine days in the autumn for improvement works. Buses ...

Figure 1a shows a typical ac-coupled ring-detection circuit. ... Power your devices through universal USB-C 48 V rail, Hynetek brings new USB PD3.2 DRP Controller. 06.25.2025. Shift-Left Verification: ...

Railways minister Ashwini Vaishnaw said that a change in the electronic interlocking and the setting of the point machine caused the accident involving the Shalimar Chennai Central Coromandel ...