TDA1579
Overview
The TDA1579 decoder is for radio transmissions having 57 kHz amplitude-modulated subcarriers as used in the German 'Verkehrs Warnfunk' (VWF) traffic warning system. Features TDA1579 TDA1579T 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 Driver output for SK indicator (LED) SK and BK control outputs.
- 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
- Driver output for SK indicator (LED)
- SK and BK control outputs.
