TDA1581T - radio transmissions Decoder
TDA1581T The TDA1581T decoder is for radio transmissions having 57 kHz amplitude-modulated subcarriers as used in the german ‘Verkehrs Warnfunk’ (VWF) traffic warning system.
QUICK REFERENCE DATA Measured in Fig.3 at ViSK = 8 mV; f = 57 kHz amplitude modulated with fm = 34.95 Hz and m = 60% for ‘
TDA1581T 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)
