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UTC L388 12 LINEAR INTEGRATED CIRCUIT VOICE-SWITCH CIRCUIT FOR HANDSFREE SPEAKERPHONE TAM 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 answ
UTC L388 12 LINEAR INTEGRATED CIRCUIT VOICE-SWITCH CIRCUIT FOR HANDSFREE SPEAKERPHONE TAM 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 answ
L3845 TRUNK INTERFACE ON CHIP POLARITY GUARD MEETS DC LINE CHARACTERISTICS OF EITHER CCITT AND EIA RS 464 SPECS PULSE FUNCTION HIGH AC IMPEDANCE OFF HOOK-STATUS DETECTION OUTPUT LOW EXTERNAL COMPONENT COUNT Minidip SO8 DESCRIPTION The circuit provides DC loop termination for analog trunk lines. The
L387A VERY LOW DROP 5V REGULATOR WITH RESET . . . . . PRECISE OUTPUT VOLTAGE (5 V ± 4 %) VERY LOW DROPOUT VOLTAGE OUTPUT CURRENT IN EXCESS OF 500mA POWER-ON, POWER-OFF INFORMATION (RESET FUNCTION) HIGH NOISE IMMUNITY ON RESET DELAY CAPACITOR DESCRIPTION The L387A is a very low drop voltage regul
L387A VERY LOW DROP 5V REGULATOR WITH RESET . . . . . PRECISE OUTPUT VOLTAGE (5 V ± 4 %) VERY LOW DROPOUT VOLTAGE OUTPUT CURRENT IN EXCESS OF 500mA POWER-ON, POWER-OFF INFORMATION (RESET FUNCTION) HIGH NOISE IMMUNITY ON RESET DELAY CAPACITOR DESCRIPTION The L387A is a very low drop voltage regul
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