Echo Canceler

GENERAL DESCRIPTION The MSM7603/7603B is an improved version of the MSM7602 with basically the same configuration, and offers twice the cancelable echo delay time of the MSM7602. The MSM7603B I/O interface allows switching between m-law PCM and A-law PCM. The MSM7603/7603B is a low-power CMOS I

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OKIOki Electric Cable Co.,Ltd

冲电线日本冲电线株式会社

1 550 nm OPTICAL FIBER COMMUNICATIONS EA MODULATOR INTEGRATED MQW-DFB LASER DIODE MODULE FOR 2.5 Gb/s ULTRALONG-REACH APPLICATIONS

DESCRIPTION The NDL7910P is an EA modulator integrated 1 550 nm DFB-LD for 2.5 Gb/s. The newly developed bandgap energy controlled Selective MOVPE technology is utilized as fabrication method. It is designed for 2.5 Gb/s ultralong reach applications. FEATURES • Integrated electroabsorption modu

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NEC

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1 500 nm OPTICAL FIBER COMMUNICATIONS InGaAsP MQW-DFB LASER DIODE COAXIAL MODULE

DESCRIPTION The NDL7705P Series is a 1 550 nm phase-shifted DFB (Distributed Feed-Back) laser diode module with optical isolator. Multiple Quantum Well (MQW) structure is adopted to achieve stable dynamic single longitudinal mode operation over wide temperature range of
40 to +85 C. It is desig

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NEC

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1 550 nm CW LIGHT SOURCE InGaAsP STRAINED MQW-DFB LASER DIODE MODULE

DESCRIPTION The NX8562LB is a 1 550 nm laser diode with Polarization Maintain Fiber (PMF). This device is designed as CW light source and ideal for transmission systems in which external modulators are used. FEATURES • Output power Pf = 20 mW MIN. • Wavelength selectable for ITU-T standards

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NEC

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