AN6448NFBP
Overview
- The speech block can operate on line voltage, with no exter * * * *
- nal power supply, and is operational even during a commercial power failure. Incorporates auto. PAD, dial mute, DC voltage regulation, and other basic speech functions. The cross-point switch can be operated independently. Each output of the cross-point switch can correspond to multiple inputs, allowing three-or four-person communication. The REC/PLAY amplifiers incorporate ALC and VOX circuits. Receiver volume can be increased by 6 dB or 9 dB. 64 1 16 17 0.2 -0.05 1.3±0.1 2.85±0.2 1.3±0.1 0.1±0.1 (0.8)
- 35 -0.05 SEATING PLANE +0.1 QFP package with 64 pins (QFH064-P-1414A) s Block Diagram
