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Avionics & Airborne LRUs

Warning, Monitoring & Safety Systems

Stall Warning Tone Generator

Audio stall warning via intercom for Jaguar

The Stall Warning Tone Generator Type ISWG-940 provides an audio warning through the intercom when the incidence signal from the air stream direction detector probe equals or exceeds a value preset at a margin below the stall incidence angle in Jaguar aircraft. The unit is housed in a matt black metal box containing four circuit boards, a bracket forming a heat sink for power transistors, and a fixed 19-pin male connector.

KEY DETAILS

• For Jaguar aircraft, type ISWG-940 • Supply 22–30.5VDC, current 300mA max at 30.5VDC • Potentiometer supply 18VDC ±0.15V, 2750Ω • Incidence range -6.4° to +22° • Thresholds: IL 12°, IM 14°, IU 17° (each ±0.25°) • Output > 200mW into 150Ω ±10% • Operating temp -35°C to +70°C, non-derangement -50°C to +90°C • Operational altitude up to 18,300m (60,000 ft) • Size 119 × 91 × 105mm (excl. connector), weight ≤ 1300g