Second-Order Rectification of High-Frequency Radiation in Bipolar Junction Transistor

2020 ◽  
pp. 163-168
Author(s):  
Ahmed M. Elsayed ◽  
Hassan M. Emam ◽  
Hussein S. Ahmed ◽  
Yousof O. Moustafa ◽  
Nihal Y. Ibrahim
Keyword(s):  
High Frequency ◽  
Second Order ◽  
Bipolar Junction Transistor ◽  
Junction Transistor ◽  
Frequency Radiation ◽  
High Frequency Radiation

scholarly journals A New Universal Second-Order Filter using Configurable Analog Building Blocks (CABs) for Filed-Programmable Analogue Arrays

2011 ◽  
Vol 7 (2) ◽  
pp. 83
Author(s):  
M. T. Abuelma'atti ◽  
O. O. Fares
Keyword(s):  
High Frequency ◽  
Building Blocks ◽  
Second Order ◽  
Spice Simulation ◽  
Bipolar Junction Transistor ◽  
Order Filter ◽  
Programmable Analog ◽  
Field Programmable ◽  
Junction Transistor ◽  
Analog Arrays

 In this paper, the design of a universal second-order filter using configurable analog blocks (CABs) for field programmable analog arrays is presented. The configurable blocks are capable of performing integration, differentiation, amplification, log, anti-log, add and negate functions. To maintain high frequency operation, the programmability and configurability of the blocks are achieved by digitally modifying the block's biasing conditions. Using at most four CABs, this article shows that it is possible to design a versatile second-order filter realizing all the standard five filter functions; lowpass, highpass, bandpass, notch and allpass. SPICE simulation results using practical bipolar junction transistor (BJT) parameters confirm the feasibility of using the CABs in designing second-order filters. 

scholarly journals Pulse-like partial ruptures and high-frequency radiation at creeping-locked transition during megathrust earthquakes

2017 ◽  
Vol 44 (16) ◽  
pp. 8345-8351 ◽  
Author(s):  
Sylvain Michel ◽  
Jean-Philippe Avouac ◽  
Nadia Lapusta ◽  
Junle Jiang
Keyword(s):  
High Frequency ◽  
Megathrust Earthquakes ◽  
Frequency Radiation ◽  
High Frequency Radiation
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