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Data Sheet February 1999
LG1605DXB Limiting Amplifier
Features
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Digital video transmission Interface between 1319 receiver and LG1600 clock and data regenerator High-speed comparator
28 dB gain, 34 dB differential Large dynamic range: >60 dB Wideband response: 8 kHz to 3 GHz Extremely low ±4 ps delay skew across input range Complementary 50 Ω I/Os Surface-mount package Standard ECL supply (400 mW)
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Functional Description
The LG1605DXB is a GaAs wideband limiting amplifier with differential inputs and outputs that provides 28 dB of gain (34 dB differential) and 3 GHz of bandwidth in a 50 Ω environment (Figure 1 shows the block diagram). At low input levels, below 10 mV to 20 mV, the circuit behaves as a linear amplifier.