A MEMS disk resonator-based band pass filter electrical equivalent circuit simulation

2016 ◽  
Author(s):  
G. M. Sundaram ◽  
Mahesh Angira ◽  
Navneet Gupta ◽  
Kamaljit Rangra
Keyword(s):  
Equivalent Circuit ◽  
Circuit Simulation ◽  
Band Pass Filter ◽  
Disk Resonator ◽  
Electrical Equivalent Circuit ◽  
Pass Filter ◽  
Band Pass

Application of communication network theory to the electromagnetic seismograph

1964 ◽  
Vol 54 (5A) ◽  
pp. 1479-1489
Author(s):  
S. Dopp
Keyword(s):  
Communication Network ◽  
Transfer Function ◽  
Equivalent Circuit ◽  
Network Theory ◽  
Band Pass Filter ◽  
Pass Filter ◽  
Electromagnetic Seismograph ◽  
Band Pass

Abstract Communication network theory is applied to the equivalent circuit of the electromagnetic seismograph. The seismograph's transfer function is derived in the general case of an arbitrary linear passive coupling network between pendulum and galvanometer. Examples are given, one of which refers to the construction of a band-pass filter in the form of a lattice of filter galvanometers.

scholarly journals Design of UWB Filter with WLAN Notch

2012 ◽  
Vol 2012 ◽  
pp. 1-4 ◽  
Author(s):  
Harish Kumar ◽  
MD. Upadhayay
Keyword(s):  
Circuit Simulation ◽  
Ground Plane ◽  
Stop Band ◽  
Simulation Software ◽  
Pass Band ◽  
Area Network ◽  
Band Pass Filter ◽  
Frequency Range ◽  
Pass Filter ◽  
Band Pass

UWB technology- (operating in broad frequency range of 3.1–10.6 GHz) based filter with WLAN notch has shown great achievement for high-speed wireless communications. To satisfy the UWB system requirements, a band pass filter with a broad pass band width, low insertion loss, and high stop-band suppression are needed. UWB filter with wireless local area network (WLAN) notch at 5.6 GHz and 3 dB fractional bandwidth of 109.5% using a microstrip structure is presented. Initially a two-transmission-pole UWB band pass filter in the frequency range 3.1–10.6 GHz is achieved by designing a parallel-coupled microstrip line with defective ground plane structure using GML 1000 substrate with specifications: dielectric constant 3.2 and thickness 0.762 mm at centre frequency 6.85 GHz. In this structure aλ/4 open-circuited stub is introduced to achieve the notch at 5.6 GHz to avoid the interference with WLAN frequency which lies in the desired UWB band. The design structure was simulated on electromagnetic circuit simulation software and fabricated by microwave integrated circuit technique. The measured VNA results show the close agreement with simulated results.

scholarly journals Band pass filter design with quasi-lumped resonators using equivalent circuit

Tehnika ◽  
2014 ◽  
Vol 69 (3) ◽  
pp. 459-465
Author(s):  
Dejan Miljanovic ◽  
Milka Potrebic ◽  
Dejan Tosic
Keyword(s):  
Equivalent Circuit ◽  
Filter Design ◽  
Band Pass Filter ◽  
Pass Filter ◽  
Band Pass

Design of Frequency Selection Circuit of Advanced Detector Receiving Device in Coal Mine Roadway

2015 ◽  
Vol 740 ◽  
pp. 507-510
Author(s):  
Xi Gao Liu ◽  
Zhi Min Liu ◽  
Jin Tao Zhang ◽  
Yi Ming Lv ◽  
You Zhou ◽  
...  
Keyword(s):  
Coal Mine ◽  
Circuit Simulation ◽  
Band Pass Filter ◽  
Dual Frequency ◽  
Pass Filter ◽  
Frequency Selection ◽  
Mine Roadway ◽  
Frequency Components ◽  
Band Pass ◽  
Field Excitation

Coal mine roadway advanced detector, including the transmitting and receiving devices, is a kind of geophysical instrument used in coal mine roadway advanced detection based on the dynamic and directional electric field excitation method. The transmitting device emits dual frequency modulated square wave current into the excavation face and the receiving device receives potential difference of coal and rock medium generated by induced polarization, of which the frequency selection circuit is to filter the interference of the harmonics of the signal and other frequency components. The paper derived expressions of emission current. Considering the actual working conditions, the paper proposed the design requirements of the frequency selection circuit and the scheme of a controller to control multiple frequency selection filter circuits. The paper completed the design of the control circuit consisting of a microcontroller and analog switch MAX313 and the band-pass filter circuit consisting of universal active filter UAF42. According to the circuit simulation and the analysis of the data with software of multisim, it proves the design of circuit meets the requirements.

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