2.5G Photodetector APD Preamp Receiver Bookham (Oclaro) AT3GC Fiber Coupled Photodetector
The detector has a fiber tail fiber input with a speed of 2.5Gbps and a built-in low noise preplay.It can be used for digital optical fiber communication.The sensitivity is up to -34dBm,and the saturation light power is -4dBm.It can work in the C and L bands. The AT3GC receiver consists of an avalanche photodiode, a low-noise preamplifier, a connectorized single-mode fiber pigtail and a hermetic package with coplanar differential output, Optimized for use in 2.5Gbps Metro applications, either as a discrete device or within a transponder, using NRZ modulation with or without FEC at data rates up to at least 2.7Gbps.
Overview
Specifications
| Parameter | Value |
|---|---|
| Optical Sensitivity sens [TC=25°C unless otherwise specified / 2²³-1 PRBS / BER<10⁻¹² / m=10 / Measured with2.5Gb/s NRZ PRBS data and no FEC.] | typical:-34.5 dBm;max:-33.0 dBm |
| High frequency -3dB corner F3dB [TC=25°C unless otherwise specified / m=10 / Load impedance is50Ω(ac coupled).] | min:1.8 GHz |
| Return Loss S22 [TC=25°C unless otherwise specified / DC-2.0GHz] | max:-8 dB |
| Optical overload Psat [TC=25°C unless otherwise specified / 2²³-1 PRBS / BER<10⁻¹² / M=3 / Measured with2.5Gb/s NRZ PRBS data and no FEC.] | min:-4 dBm |
| APD Breakdown Voltage Temperature Coefficient Tvbr [TC=25°C unless otherwise specified] | typical:0.12 V/degree C |
| APD Breakdown Voltage Vbr [TC=25°C unless otherwise specified / T=85C] | max:75 V |
| Amplifier bias voltage Vcc [TC=25°C unless otherwise specified] | min:3.0 V;typical:3.3 V;max:3.6 V |
| Amplifier Bias Current Icc [TC=25°C unless otherwise specified] | typical: 45; max: 60 |
| Amplifier bias voltage Vcc [Absolute Maximum Ratings / Vbr of individual device at given operating temperature is not to be exceeded.] | min:-0.5 V;max:3.6 V |
| Operating temperature Top [Absolute Maximum Ratings / Temperature of the module case.] | min:-40 °C;max:85 °C |
| Storage temperature Tstg [Absolute Maximum Ratings / Rating is referred to ambient temperature.] | min:-40 °C;max:85 °C |
| Maximum Transient Optical Input Power Ppo [Absolute Maximum Ratings / Optical level causing no damage; specified electrical and optical performance may not be guaranteed.] | max:10 dBm |
| APD bias voltage V_APD [Absolute Maximum Ratings / Vbr of individual device at given operating temperature is not to be exceeded. Source also cites unavailable note5.] | max:75 V |
| Fibre bend radius [Absolute Maximum Ratings] | min:35 mm |
Applications
Key Features
Datasheet
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