81490A

Agilent Technologies 81490A Reference Transmitter Technical Specifications 81490 Reference Transmitter Agilent’s 81490A Reference Transmitter is designed to offer excellent eye quality as a reference for testing 10 GbE-L and 10 Gb-E according to IEEE 802.3ae and according to 10 GFC Fibre Channel specifications. The module is fully integrated into the industry standard LMS 816xB platform. Offering both 1310 and 1550 nm in one module gives the fastest reconfiguration between these two transmission bands without reconnecting. The integration in the LMS mainframe offers an integration of the reference transmitter into the 4917A stressed eye software package. Of course a separate usage of the transmitter is also supported with SCPI language. Benefits Repeatable and reproducible measurements permit lower production test margins and improved specifications of the characterized devices. Reliable measurements ensure comparability of the test results. Support for full compliance to IEEE 802.3 stressed eye test in combination with the N4917A Optical Receiver Stress Test solution. Wide extinction range offers highest test range coverage to ensure best quality of the tested devices under all target operating conditions. Rapid test reconfiguration with dual-wavelength to switch between 1310 nm and 1550 nm by remote control or manually without exchanging a module. Scalability with integration into industrystandard Agilent LMS platform extends your optical workbench capabilities. The separation of the signal source and the modulator is the only way to offer a zero-chirp modulation. This is essential for a clean and repeatable eye diagram when modulating with an appropriate clean external source to fulfill the requirements of the IEEE standard. Another advantage of this design compared to directly modulated transmitters is the wide extinction ratio range that can only be Applications achieved with this design. Reference transmitter for stressed eye compliance test according to IEEE 802.3. Creation of arbitrary optical modulation signals in combination with waveform generators. General transmission system test with special pulse patterns in combination with a pattern generator. 81490A Coupler DFB - Laser 1310 nm DFB - Laser 1550 nm Modulator Bias Ctrl RF Amplifier Data in Optical Modulator Data out 2 Specifications Data input (RF in) Operational data rate Input voltage range for λ1= 1310 nm λ2= 1550 nm Maximum input voltage Input impedance (nominal) Data output (optical out) Fiber type Laser type Optical wavelength Average optical output power [1][2] Attenuation range (nominal) Electro-optical modulation bandwidth [3] Electrical-optical conversion ratio [2] Relative intensity noise (RIN) [4] Maximum extinction ratio (ER) [5] Vertical eye closure penalty [6] Rise and fall time (20 % to 80 % ) [4] Jitter (peak-peak) [7] [1] After TX_Recal operation [2] At attenuation 0 dB [3] -6dB decrease relative to maximum response [4] For 0.6 Vpp to 0.85 Vpp data at 1310 nm; for 0.6 Vpp to 1.0 Vpp data at 1550 nm [5] At data rates 10.3125 Gb/s, 10.51875 Gb/s; for whole operational data range typical; temperature change < ± 1K and operation point adjusted to 50 % eye crossing [6] At 1% center region [7] Jitter of input signal < 10 ps 622 Mb/s to 12.5 Gb/s up to 0.9 Vpp (typical) up to 1.1 Vpp (typical) < 2 Vpp from -2V to +2V 50 Ω Standard single-mode 9 / 125 µm CW DFB laser with built in isolator λ1 : (1310 ±10) nm λ2 : (1550 ±10) nm > 5 dBm 6 dB 10 MHz to 33 GHz (typical) > 5 mW/V < -136 dB / Hz >10 dB (dependent on input voltage amplitude) < 0.5 dB (typical) < 25 ps 17 ps (typical) < 18 ps < 12 ps (typical) General specifications Optical connector interface Agilent universal Adapter SMF 28, straight ferrule Operating temperature +5° C to +40° C RF connector interface 2.4mm female Storage Temperature - 40° C to +70° C Module size (H x W x D) 75 mm x 64 mm x 335 mm (2.8” x 2.6” x 13.2”) Humidity 5 % to 95 % relative humidity, non-condensing Module weight 1.0 kg (2.2 lbs) 816xA/B Firmware revision 5.01 and higher Warmup time 60 min 3 Recommended recalibration period 2 years Ordering Information 81490A Reference Transmitter -135 1310 & 1550 nm Cal and Warranty R 1280 Return-to-Agilent war ranty and service plan R-51B-001-3A 3 month Return-to-Agilent warranty extended to 3 years R-50C-011-3 Agilent Calibration Upfront Support Plan 3 year coverage www.agilent.com/find/open Agilent Open simplifies the process of connecting and programming test systems to help engineers design, validate and manufacture electronic products. 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