U4221B
Description
The U4221B is a bipolar integrated straight through receiver circuit in the frequency range of 60 to 80 kHz
Key Features
- 7 GND (digital) 5 CDEM 93 7506 e TELEFUNKEN Semiconductors Rev
- A ferrite antenna is connected between IN1 and IN2
- The resonant resistance should be 200 kW to 300 kW for optimal sensitivity
- CDEM After demodulation the signal is low pass filtered by the capacitor CDEM
- PON If PON is connected to VCCD, the U4221B receiver IC will be activated
