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TZA3019AHT Datasheet PDF - Philips Electronics

Part NameDescriptionManufacturer
TZA3019AHT 2.5 Gbits/s dual postamplifier with level detectors and 2 × 2 switch Philips
Philips Electronics Philips
Other PDF  no available.
TZA3019AHT Datasheet PDF : TZA3019AHT pdf   
TZA3019U image

GENERAL DESCRIPTION
The TZA3019 is a low gain postamplifier multiplexer with a dual RSSI and/or LOS detector that is designed for use in critical signal path control applications, such as loop-through, redundant channel switching or Wavelength Division Multiplexing (WDM). The signal path is unregistered, so no clock is required for the data inputs. The signal path is fully differential and delay matched. It is capable of operating from 50 kHz to 2.5 GHz.

FEATURES
• Dual postamplifier
• Single 3.3 V power supply
• Wideband operation from 50 kHz to 2.5 GHz (typical value)
• Fully differential
• Channels are delay matched
• On-chip DC-offset compensations without external capacitor
• Interfacing with positive or negative supplied logic
• Switching possibility between channels
• Positive Emitter Coupled Logic (PECL) or Current-Mode Logic (CML) compatible data outputs adjustable from 200 to 800 mV (p-p) single-ended
• Power-down capability for unused outputs and detectors
• Rise and fall times 80 ps (typical value)
• Possibility to invert the output of each channel separately
• Input level-detection circuits for Received Signal Strength Indicator (RSSI) or Loss Of Signal (LOS) detection, programmable from 0.4 to 400 mV (p-p) single-ended, with open-drain comparator output for direct interfacing with positive or negative logic
• Reference voltage for output level and LOS adjustment
• Automatic strongest input signal switch possibility (TZA3019 version B)
• HTQFP32 or HBCC32 plastic package with exposed
pad.

APPLICATIONS
• Postamplifier for Synchronous Digital Hierarchy and Synchronous Optical Network (SDH/SONET) transponder
• SDH/SONET wavelength converter
• Crosspoint or channel switch
• PECL driver
• Fibre channel arbitrated loop
• Protection ring
• Monitoring
• Signal level detectors
• Swing converter CML 200 mV (p-p) to PECL 800 mV (p-p)
• Port bypass circuit
• 2.5 GHz clock amplification.

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