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1.25G bps LDD (Laser Diode Driver) and APC (Automatic Power Control) for burst transmitter, 1.25G bps limiter (limiting amplifier) for receiver are integrated on 1 silicon chip.
- . LDD : Switching BIAS current for burst transmission and MOD current at 1.25G bps
- APC : Programming BIAS and MOD currents (Ibias
 51mA[Typ.], Imod 80mA [Typ.]) with referring to temperature detected by internal sensor and stored data in external EEPROM
- Limiter : Converting 1.25G bps continuous TIA (Trans Impedance Amplifier) signal to differential CML output and asserting LOS (Loss Of Signal).
- 2-wired digital interface : Setting and adjusting AK2583 and LD by access to registers and EEPROM.
- On-chip oscillator : Realizing self-running operation 6. Single power supply : VDD=3.3V [Typ.]
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