Description
The TDA1581T decoder is for radio transmissions having 57 kHz amplitude-modulated subcarriers as used in the german ‘Verkehrs Warnfunk’ (VWF) traffic warning system.
Features
- Selective subcarrier amplifier (57 kHz) with gain control.
- Transmitter identification signal (SK) decoder.
- Area identification signal (BK) and announcement identification signal (DK) active filtering.
- BK and DK decoders (Schmitt trigger with switched hysteresis).
- BK and DK switch-on/switch-off delay circuits.
- SK and BK control outputs.
TDA1581T Datasheet
