High performance optical receiver module for 10 Gbit/s applications with low cost potential

2000 ◽  
Vol 36 (8) ◽  
pp. 741 ◽  
Author(s):  
A. Ebberg ◽  
R. Bauknecht ◽  
M. Bittner ◽  
M. Grumm ◽  
M. Bitter
Keyword(s):  
High Performance ◽  
Low Cost ◽  
Optical Receiver ◽  
Receiver Module

Low-cost 10-gb/s optical receiver module using a novel plastic package and a passive alignment technique

2005 ◽  
Vol 23 (12) ◽  
pp. 4257-4264 ◽  
Author(s):  
T. Kurosaki ◽  
Y. Shuto ◽  
T. Tadokoro ◽  
K. Yokoyama ◽  
Jun Endo ◽  
...  
Keyword(s):  
Low Cost ◽  
Optical Receiver ◽  
Plastic Package ◽  
Alignment Technique ◽  
Receiver Module ◽  
Passive Alignment

High performance of 10-Gb/s APD/preamplifier optical-receiver module with compact size

2003 ◽  
Vol 15 (2) ◽  
pp. 278-280 ◽  
Author(s):  
H. Matsuda ◽  
A. Miura ◽  
Y. Okamura ◽  
H. Irie ◽  
K. Ito ◽  
...  
Keyword(s):  
High Performance ◽  
Optical Receiver ◽  
Compact Size ◽  
Receiver Module

LOW COST, LOW POWER DIGITAL OPTICAL RECEIVER MODULE FOR 50 Mb/s PASSIVE OPTICAL NETWORK

1996 ◽  
Vol 07 (04) ◽  
pp. 471-489 ◽  
Author(s):  
YUSUKE OTA ◽  
ROBERT G. SWARTZ ◽  
JOHN S. SCHAFER ◽  
MIHAI M. BANU ◽  
ALFRED E. DUNLOP ◽  
...  
Keyword(s):  
Optical Networks ◽  
Dynamic Range ◽  
Low Cost ◽  
Optical Receiver ◽  
Passive Optical Network ◽  
Total Power ◽  
Printed Wiring Board ◽  
Plastic Package ◽  
Total Power Consumption ◽  
Receiver Module

A low cost digital optical receiver module for passive optical networks was developed. In order to reduce the cost of the receiver module, ICs are packaged in low cost plastic packages and the receiver module is fabricated using conventional surface mount technology. The receiver module is capable of receiving burst and packet digital optical signals, and recovered data and recovered clock in CMOS logic level are available. The receiver module contains a connectorized InGaAs PIN photodiode, a burst/packet mode-compatible preamplifier IC in a 32-lead TQFP plastic package, a comparator IC in an 8-lead SOIC plastic package, a clock recovery IC in a 32-lead TQFP plastic package and other active and passive components. These components are mounted on a four-layer printed wiring board. The intrinsic minimum receivable optical signal power is around -42 dBm/Ave and the dynamic range is over 26 dB for BER 1 × 10-8 at a bit rate of up to 60 Mb/s. The total power consumption of this module is less than 200 mW.

Comparison of UV- and Derivative-Spectrophotometric and HPTLC UVDensitometric Methods for the Determination of Amrinone and Milrinone in Bulk Drugs

2020 ◽  
Vol 16 (3) ◽  
pp. 246-253
Author(s):  
Marcin Gackowski ◽  
Marcin Koba ◽  
Stefan Kruszewski
Keyword(s):  
Thin Layer ◽  
Thin Layer Chromatography ◽  
High Performance ◽  
Low Cost ◽  
Uv Spectra ◽  
Derivative Spectrophotometry ◽  
Therapeutic Monitoring ◽  
Bulk Drug ◽  
Layer Chromatography ◽  
Standard Solutions

Background: Spectrophotometry and thin layer chromatography have been commonly applied in pharmaceutical analysis for many years due to low cost, simplicity and short time of execution. Moreover, the latest modifications including automation of those methods have made them very effective and easy to perform, therefore, the new UV- and derivative spectrophotometry as well as high performance thin layer chromatography UV-densitometric (HPTLC) methods for the routine estimation of amrinone and milrinone in pharmaceutical formulation have been developed and compared in this work since European Pharmacopoeia 9.0 has yet incorporated in an analytical monograph a method for quantification of those compounds. Methods: For the first method the best conditions for quantification were achieved by measuring the lengths between two extrema (peak-to-peak amplitudes) 252 and 277 nm in UV spectra of standard solutions of amrinone and a signal at 288 nm of the first derivative spectra of standard solutions of milrinone. The linearity between D252-277 signal and concentration of amironone and 1D288 signal of milrinone in the same range of 5.0-25.0 μg ml/ml in DMSO:methanol (1:3 v/v) solutions presents the square correlation coefficient (r2) of 0,9997 and 0.9991, respectively. The second method was founded on HPTLC on silica plates, 1,4-dioxane:hexane (100:1.5) as a mobile phase and densitometric scanning at 252 nm for amrinone and at 271 nm for milrinone. Results: The assays were linear over the concentration range of 0,25-5.0 μg per spot (r2=0,9959) and 0,25-10.0 μg per spot (r2=0,9970) for amrinone and milrinone, respectively. The mean recoveries percentage were 99.81 and 100,34 for amrinone as well as 99,58 and 99.46 for milrinone, obtained with spectrophotometry and HPTLC, respectively. Conclusion: The comparison between two elaborated methods leads to the conclusion that UV and derivative spectrophotometry is more precise and gives better recovery, and that is why it should be applied for routine estimation of amrinone and milrinone in bulk drug, pharmaceutical forms and for therapeutic monitoring of the drug.

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