Data sheet 10 Gb/s High Sensitivity Coplanar APD Preamp Receiver The module consists of an APD photodetector, a low noise preamplifier, a connectorized single-mode fibre pigtail and a hermetic package with coplanar output. Optimized for use in 10 Gb/s 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 10.66 Gb/s. www.bookham.com Features * High Sensitivity, -26.5 dBm typical * Surface Mount MSA compliant * Low Capacitance high speed InGaAs APD detector * Designed to exceed the requirements of Telcordia GR468-CORE Thinking optical solutions Characteristics TC = 25 C unless otherwise specified. Performance Symbol Optical Sensitivity 2 23 -12 -1 BER< 10 (4), m=10 High frequency -3 dB corner (2), m=10 Min Sens F3dB Deviation from linear phase (d.c-6 GHz) Nom Max Unit -26.5 -24.5 dBm 7 7.5 GHz -10 Return loss S22 (130 MHz to 6 GHz) Return loss S22 (130 MHz to 8 GHz) 23 -12 Optical overload 2 -1 BER< 10 -10 (4) Psat -3 -1 APD breakdown voltage temp coefficient Tvbr .050 0.056 APD breakdown voltage Vbr 25 Amplifier bias voltage Vee Dark current at 90% of Vbr ld Current consumption lcc Transimpendance gain (2,3,5) Note: 1) 2) 3) 4) 5) +10 deg -10 dB -8 dB dBm .061 V/C 40 V -5.2 TZG 1100 V 100 nA 75 90 mA 1440 1800 Ohms Optical wavelength between 1525nm - 1575nm. Data to 1610 nm available on request. Load impedance is 50 (AC coupled) with a return loss > 20 dB, up to 20 GHz. Excludes APD responsivity. Measured with 10 Gb/s NRZ PRBS data and no FEC. Differential Absolute Maximum Ratings Parameter Symbol Min Max Unit Amplifier bias voltage (4) Vcc +0.5 -6 V Operating temperature (1) Top -40 85 C Storage temperature (2) Tstg -40 85 C Maximum Transient Optical Input Power (3) Ppo 10 dBm APD bias voltage (4,5) VAPD 40 V Fibre bend radius 35 mm 1) The operating temperature is defined as the temperature of the module case. 2) The rating is referred to ambient temperature. 3) The optical level that causes no damage to the module. However, the electrical and optical performance specified in this document may not be guaranteed. 4) Vbr of individual device at given operating temperature is not to be exceeded. Class 1 ESD precautions must be observed when handling these devices Pinout Table Pin # Symbol Parameter Pin # Symbol Parameter 1 GND Case ground 10 Out_P Positive output 2 Vpd APD bias voltage 11 GND Case ground 3 NC No connection 12 GND Case ground 4 Vee Amplifier bias 13 FBIN Offset feedback 5 Vcc No connection 14 Vcc No connection 6 GND Case ground 15 NC No connection 7 GND Case ground 16 Rth Thermistor 8 Out_N Negative output 17 GND Case ground 9 GND Case ground www.bookham.com Thinking optical solutions Circuit Schematic and Dimensions Rth Vapd RTHERMISTOR (10k_@25C) -ve RF out +ve RF out Vee (-5.2 V) Figure 1: Schematic Diagram Figure 2: Typical small signal diagram measured at 10Gb/s 223-1 PRBS @M=10. Figure 3: Typical large signal eye diagram measure at 10Gb/s 223-1 PRBS. www.bookham.com Thinking optical solutions CAUTION STATIC SENSITIVE DEVICE OBSERVE PRECAUTIONS North America Certificate No. FM 15040 Bookham Technology Inc. 49 Buford Highway Suwanee GA 30024 USA * Tel: +1 678 482 4021 Certificate No. EMS 35100 Figure 4: AC Transfer function * Fax: +1 678 482 4022 Europe Bookham Technology plc Brixham Road Paignton Devon TQ4 7BE UK * Tel: +44 (0) 1803 66 2875 * Fax: +44 (0) 1803 66 2801 Asia Bookham Technology plc 21/F Cityplaza One 1111 King's Road Quarry Bay Hong Kong Figure 5: Output DC offset control using pin 13 (FB_in). * Tel: +852 (2100) 2249 * Fax: +852 (2100) 2585 Sales@bookham.com Important Notice Bookham Technology has a policy of continuous improvement, as a result certain parameters detailed on this flyer may be subject to change without notice. If you are interested in a particular product please request the available from any Bookham Technology sales representative. Figure 6: Outline Diagram Ordering Information AT10GC www.bookham.com REV 1 Feb 2003 (c) Bookham Technology 2003 Bookham & ASOC are registered trademarks of Bookham Technology plc