Zobrazeno 1 - 10
of 5 276
pro vyhledávání: '"H. Zimmermann"'
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 1, Pp 1-13 (2021)
The fully integrated 800 μm. diameter avalanche photodiode optical receiver is implemented in 0.35 μm BiCMOS technology without any process modifications. The integrated receiver reaches sensitivities of -33 dBm at 1 Gbit/s and -29.3 dBm at 2 Gbit/
Externí odkaz:
https://doaj.org/article/a70516461fb64fc19747af7f5b3b9db8
Publikováno v:
Electronics Letters, Vol 52, Iss 9, Pp 744-746 (2016)
A 0.35 μm BiCMOS current generator suitable for optical quantum random number generators is presented. The time dependence of the current pulses is of the form T/(T − t). The design uses the bipolar junction transistor translinear loop with two in
Externí odkaz:
https://doaj.org/article/1b8bddcae486489990fd99f1ed024d0a
Autor:
Rosa Kim, Sebastian H. Nagel, Norman Y. Liaw, Wolfram-H. Zimmermann, Laura C. Zelarayán, Eric Schoger
Publikováno v:
Stem Cell Research, Vol 80, Iss , Pp 103531- (2024)
The fluorescence ubiquitination cell cycle inhibitor (FUCCI) has been introduced to monitor cell cycle activity in living cells, including human induced pluripotent stem cells (hiPSC) and derived cell types. We have recently developed hiPSC with stab
Externí odkaz:
https://doaj.org/article/2b3852c304e44b4788130954deeeac66
Autor:
H. Zimmermann
Publikováno v:
Advances in Radio Science, Vol 6, Pp 83-88 (2008)
An overview on integrated silicon photodiodes and photodiode integrated circuits (PDICs) or optoelectronic integrated circuits (OEICs) for optical storage systems (OSS) and fiber receivers is given. It is demonstrated, that by using low-cost silicon
Externí odkaz:
https://doaj.org/article/1be50d4605c6407392a517deab577c22
Autor:
R. Kolm, H. Zimmermann
Publikováno v:
Advances in Radio Science, Vol 6, Pp 201-204 (2008)
For software radio applications in system-on-chips, a 3rd-order current-mode Butterworth filter in 120 nm CMOS is realized. This filter is used for reconstruction purposes between a current-steering DAC and a current-mode mixer. Power can be reduced
Externí odkaz:
https://doaj.org/article/603129191bcd46cb858cf0c0bf4be62f
Publikováno v:
Advances in Radio Science, Vol 6, Pp 213-217 (2008)
In this paper we examine the impact of deep sub-micron CMOS technology on analog circuit design with a special focus on the noise performance and the ability to design low-noise preamplifiers. To point out, why CMOS technology can grow to a key techn
Externí odkaz:
https://doaj.org/article/dcd707bce2964798935b3ecdad468f8c
Autor:
U. Zimmermann, S. Mimietz, H. Zimmermann, M. Hillgärtner, H. Schneider, J. Ludwig, C. Hasse, A. Haase, M. Rothmund, G. Fuhr
Publikováno v:
BioTechniques, Vol 29, Iss 3, Pp 564-581 (2000)
Many diseases are closely tied to deficient or subnormal metabolic and secretory cell functions. Milder forms of these diseases can be managed by a variety of treatments. However, it is often extremely difficult or even impossible to imitate the mome
Externí odkaz:
https://doaj.org/article/2019ded44fbd400b9250d41dc4918bd5
Publikováno v:
Environmental DNA, Vol 6, Iss 4, Pp n/a-n/a (2024)
Abstract Marine protists are globally distributed and sensitive to environmental conditions, which makes them a focal group when studying the effects of climate change on biodiversity and ocean health. However, they are a highly diverse group with va
Externí odkaz:
https://doaj.org/article/feedb1716faa465ab40cca68bce79ae9
Publikováno v:
Cell Transplantation, Vol 22 (2013)
Cord blood is regarded as a powerful source for adult stem cells. Cord blood transplants have been used successfully to treat children and adults in autologous and allogeneic settings. Nevertheless, in many cases, the clinically relevant cell number
Externí odkaz:
https://doaj.org/article/4d44f81891c3478b97df153837c5daeb
Autor:
A. Kuzkina, J. Rößle, A. Seger, C. Panzer, A. Kohl, V. Maltese, T. Musacchio, S. J. Blaschke, G. Tamgüney, S. Kaulitz, K. Rak, A. Scherzad, P. H. Zimmermann, J. P. Klussmann, S. Hackenberg, J. Volkmann, C. Sommer, M. Sommerauer, K. Doppler
Publikováno v:
npj Parkinson's Disease, Vol 9, Iss 1, Pp 1-10 (2023)
Abstract Seed amplification assays (SAA) are becoming commonly used in synucleinopathies to detect α-synuclein aggregates. Studies in Parkinson’s disease (PD) and isolated REM-sleep behavior disorder (iRBD) have shown a considerably lower sensitiv
Externí odkaz:
https://doaj.org/article/66b312e52c4c44fbb9f4406751aa1214