LOW VOLTAGE TELEPHONE SPEECH CIRCUITS

DESCRIPTION The L3281 is an electronic speech circuit developed to replace hybrid circuits in telephone sets that can be operated in parallel with other phones. ■ OPERATION DOWN TO 1.6V / 6.5mA ■ DTMF & BEEP TONE INPUTS ■ EXTERNAL MUTING FOR EARPHONE AND MICROPHONE ■ SUITABLE FOR DYNAMIC

LOW VOLTAGE TELEPHONE SPEECH CIRCUITS

DESCRIPTION The L3281 is an electronic speech circuit developed to replace hybrid circuits in telephone sets that can be operated in parallel with other phones. ■ OPERATION DOWN TO 1.6V / 6.5mA ■ DTMF & BEEP TONE INPUTS ■ EXTERNAL MUTING FOR EARPHONE AND MICROPHONE ■ SUITABLE FOR DYNAMIC

CHOPPER-STABILIZED, PRECISION HALL-EFFECT LATCHES

The A3280--, A3281--, and A3283-- Hall-effect latches are ex tremely temperature-stable and stress-resistant sensors especially suited for operation over extended temperature ranges to +150°C. Superior high-temperature per for mance is made possible through dynamic offset cancellation, which reduc

15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 250 WATTS

Complementary NPN-PNP Silicon Power Bipolar Transistor The MJ3281A and MJ1302A are PowerBase power transistors for high power audio, disk head positioners and other linear applications. • Designed for 100 W Audio Frequency • Gain Complementary: — Gain Linearity from 100 mA to 7 A — Hi

15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 200 WATTS

15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 200 WATTS MJL1302A -->PNP MJL3281A -->NPN • The MJL3281A and MJL1302A are PowerBase power transistors for high power audio, disk head positioners and other linear applications. • Designed for 100 W Audio Frequency • Gai

15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 200 WATTS

15 AMPERE COMPLEMENTARY SILICON POWER TRANSISTORS 200 VOLTS 200 WATTS MJL1302A -->PNP MJL3281A -->NPN • The MJL3281A and MJL1302A are PowerBase power transistors for high power audio, disk head positioners and other linear applications. • Designed for 100 W Audio Frequency • Gai