TIA-527
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TIA-527 Balanced O/E Converter Features: ● ● ● ● ● ● Matched InGaAs detectors DC to 125 MHz Analog Bandwidth Selectable Gain Settings Operates from Battery or Line Power Capability to drive 50 Ohm output loads Low Noise - 3.6 pW/root-Hz Coherent Heterodyne Detection Polaization-Shift-Keying Modulation Spectroscopy Binary Differential Phase-Shift Keying (2-DPSK) balanced optical to electrical converter The TIA-527Indium Gallium Arsenidecurrents fromThe operates by subtracting the photo two well-matched detectors. result is then amplied and presented to the output port. Each of the optical signals causes the output to move with a different sense. Common mode signals (e.g. laser RIN noise) are effectively cancelled out. Teraher tz Technologies Inc. 169 Clear Road With selectable gain settings and a bandwidth of DC to 125 MHz this receiver is useful for coherent heterodyne detection applications, differential polarization or phase shifted keying modulation systems, spectroscopy, and similar applications for which the ability to discern small variations in signal strength in two optical paths is critical. Use of this converter can greatly simplify signal processing requirements downstream from the experiment. Gains of 1400 V/W, 14 000 V/W and 140 000 V/W may be selected as well as selectable AC inter-stage coupling. The unit is designed to be conveniently mounted on an oscilloscope input BNC connector and may be powered by its internal battery or with the universal wall-mount supply that is provided with each unit. Oriskany, New York 13424 Tel : +1 ( 315 ) 736-3642 Fax : +1 ( 315 ) 736-4078 Email : sales @ teraher tztechnologies.com Web : www.teraher tztechnologies.com

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TIA-527 Specifications Detector Type Analog Signal Bandwidth (-3 dB) Selectable Transimpedance settings Gain Selections Maximum Linear Input Power Maximum Input power without damage Matched InGaAs DC to 125 MHz (Tr = 1.4 K), DC to 35 MHz (Tr = 14 K) 1.4 K Ohms, 14 K Ohms X1, X10 1.2 mW 10 mW Spectral Response Output Impedance Output Connector Fiber Optic Connectors Input Numerical Aperture Inter-stage Coupling Output Offset Voltage Noise Level Maximum Output Voltage Power Requirements Battery Life Wall-mount Supply Power Requirements Mains Connectors Supplied FC 0.29 DC or AC (10 0 Hz Low...

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