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OQ2538HP

NXP
Part Number OQ2538HP
Manufacturer NXP
Description SDH/SONET STM16/OC48 main amplifiers
Published May 13, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET OQ2538HP; OQ2538U SDH/SONET STM16/OC48 main amplifiers Product specification Supersedes ...
Datasheet PDF File OQ2538HP PDF File

OQ2538HP
OQ2538HP

Overview
INTEGRATED CIRCUITS DATA SHEET OQ2538HP; OQ2538U SDH/SONET STM16/OC48 main amplifiers Product specification Supersedes data of 1997 Nov 26 File under Integrated Circuits, IC19 1998 Oct 14 Philips Semiconductors Product specification SDH/SONET STM16/OC48 main amplifiers FEATURES • Differential 100 Ω outputs for direct connection to Current-Mode Logic (CML) inputs • Wide bandwidth (3 GHz) • 48.
5 dB limiting gain • Noise figure typically 11 dB • Automatic offset compensation • Input level-detection circuits for Automatic Gain Control (AGC) and Loss Of Signal (LOS) detection • Low power dissipation (typically 270 mW) • Single −4.
5 V supply voltage • Low cost LQFP48 plastic package.
APPLICATIONS • Main amplifier in Synchronous Digital Hierarchy (SDH) and Synchronous Optical Network (SONET) systems for short, medium and long haul optical transmission • Level detector for laser diode control loops • Wideband RF gain block with internal level detectors.
ORDERING INFORMATION TYPE NUMBER OQ2538HP OQ2538U PACKAGE NAME LQFP48 − DESCRIPTION OQ2538HP; OQ2538U GENERAL DESCRIPTION The OQ2538HP is a limiting amplifier IC intended for use as the main amplifier in 2.
5 Gbits/s Non-Return to Zero (NRZ) transmission systems (SDH/SONET).
Comprised of four amplifier stages with a total gain of 48.
5 dB, it provides for a wide input signal dynamic range at a constant CML-compatible output level.
Two level-detection circuits are provided for monitoring AGC and LOS input signal levels.
An internal automatic offset compensation circuit eliminates offset in the amplifier chain.
VERSION SOT313-2 − plastic low profile quad flat package; 48 leads; body 7 × 7 × 1.
4 mm bare die; dimensions 2070 × 2070 × 380 µm 1998 Oct 14 2 Philips Semiconductors Product specification SDH/SONET STM16/OC48 main amplifiers BLOCK DIAGRAM OQ2538HP; OQ2538U handbook, full pagewidth VEE 3 A 43 19 B IN INQ 8 6 AMP A AMP B AMP C AMP D 18 32 30 AGC AGCDC LOS LOSDC OUT OUTQ BAND GAP 21 22 reference voltage for al...


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