AN8946SB Description
Key pulse input AFC output L AFC output H VCC2 (VCO, AFC system) VCO1 GND3 (VCO system) VCO2 GND2 (Main) Loop amp. output Free-run frequency adjustment Loop amp. output Regulator output VCC1 (Main) ICs for TV GND1 (AGC amp., regulator system) IF amp.
AN8946SB Key Features
- FM demodulation, 2nd IF AGC amp., AGC detection and AFC (applicable to both mean value and keyed types)
- 5 V single power source
- Low power dissipation (typ. 170 mW)
- S/N 65 dB or more
- Inter-modulation interference ratio: 50 dB or more
- AGC amp built in (Reduction range: 55 dB)
- Adjustment-free VCO coil