Single Rail ADPCM CODEC

GENERAL DESCRIPTION\nThe MSM7540/7560 are single channel ADPCM CODEC ICs which perform mutual transcoding between an analog voice band signal 300 to 3400 Hz and 32 kbps ADPCM serial data. Using advanced circuit technology, these devices operate using a single 5 V power supply and have low power cons •Single 5 V Power Supply Operation•\nADPCM Algorithm : Complies completely with 1988's version ITU-T G.721 (32 kbps)\n•Transmit/Receive Full-Duplex Operation•\nTransmit/Receive Synchronous Mode Only\n•Serial ADPCM Transmission Data Rate : 32 kbps to 2048 kbps\n•Serial PCM Transmission Data Rate : 64;

Single Rail ADPCM CODEC

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Single Rail ADPCM CODEC

文件：131.21 Kbytes Page：15 Pages

Single Rail ADPCM CODEC

1 510 nm OPTICAL FIBER COMMUNICATIONS InGaAsP STRAINED MQW DC-PBH LASER DIODE MODULE

DESCRIPTION The NX8501 Series is a 1 510 nm phase-shifted DFB (Distributed Feed-Back) laser diode with single mode fiber. The Multiple Quantum Well (MQW) structure is adopted to achieve stable dynamic single longitudinal mode operation over wide temperature range of 0 to +65 °C. It is designed

1 480 nm EDFA APPLICATION InGaAsP STRAINED MQW DC-PBH LASER DIODE MODULE

DESCRIPTION The NX7460LE is a 1 480 nm pumping laser diode module with optical isolator for an EDFA (Er Doped optical Fiber Amplifier) that can expand the transmission span and compensate optical losses. It has a strained Multiple Quantum Well (st-MQW) DC-PBH laser diode that features high output

HANDSFREE CONTROLLER

DESCRIPTION This 28 pins IC is an innovative approach to quality handsfreetelephonesets. It results froman extensive research onspeechsignal. ■ NOISE/SPEECH DISCRIMINATION IN EMIS SION AND RECEPTION ■ INTEGRATED SIGNAL GAIN COMPRESSOR IN BOTH MODES ■ PROGRAMMABLE ATTENUATORS IN BOTH MODES ■ A