The PHY1078-01 is a combined burst mode laser driver and limiting amplifier for use within fiber optic modules for FTTx applications. Used with the PHY1095 or PHY1097 transimpedance amplifiers and a low cost serial EEPROM it forms a complete PON diplexer silicon solution.
The transmit block includes a high frequency modulator and a bias current generator. The bias current can be controlled either by a fast settling APC loop or in open loop mode which uses a temperature lookup table.
The receiver includes a limiting amplifier with programmable bandwidth. A Signal Detect/Loss Of Signal function is implemented using the input signal modulation amplitude with user selectable threshold and hysteresis.

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