Voice-switch circuit for Handsfree speakerphone TAM

Description The PBL 388 12 contains all the necessary circuitry, amplifiers, detectors, comparators and control functions to implement a high performance, voice-switched, ”hands-free ” function in an answering machine. The gain dynamics (attenuation between channels) is settable (25dB or 50dB) vi

LINEAR INTEGRATED CIRCUIT

DESCRIPTION The UTC L388 12 contains all the necessary circuitry, amplifiers, detectors, comparators and control functions to implement a high performance, voice-switched, ”hands-free” function in an answering machine. The UTC L 388 12 is designed for answering machines that are either power

12 A synchronous Buck regulator

Features  Wide Input Voltage Range: 4 V to 16 V with internal bias and 2.7 V to 16 V with external VCC (3.3 V)  Precision Reference Voltage (0.6 V +/- 0.5%)  Stable with Ceramic Output Capacitors  No External Compensation  Optional Forced Continuous Conduction Mode and Diode Emulatio