A self-equalization band pass filter involving complex transmission zeros and its equivalent circuit in the Foster type circuit

2005 ◽  
Vol 88 (4) ◽  
pp. 54-61
Author(s):  
Shigeki Takeda
Keyword(s):  
Equivalent Circuit ◽  
Band Pass Filter ◽  
Pass Filter ◽  
Transmission Zeros ◽  
Band Pass ◽  
Complex Transmission

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.

Miniaturized Bandpass Filter with Wide Stopband using Spiral Configuration of Stepped Impedance Resonator

Frequenz ◽  
2018 ◽  
Vol 72 (9-10) ◽  
pp. 455-458 ◽  
Author(s):  
Vivek Singh ◽  
Vinay Kumar Killamsetty ◽  
Biswajeet Mukherjee
Keyword(s):  
Bandpass Filter ◽  
Short Circuit ◽  
Band Pass Filter ◽  
Pass Filter ◽  
Transmission Zeros ◽  
Quarter Wavelength ◽  
Rejection Level ◽  
Compact Size ◽  
Band Pass ◽  
Stepped Impedance Resonator

Abstract In this letter, a miniaturized Band Pass Filter (BPF) with wide stopband centered at 0.350 GHz for TETRA band applications is proposed using a Spiral Short Circuit quarter wavelength Stepped Impedance Resonator (SSC-SIR) and a stub loaded on feed line for enhancement of rejection level in the stopband. Spiral configuration of the resonator is used for the miniaturization of BPF. The proposed BPF provides a 3dB fractional bandwidth of 13.7 % with two transmission zeros in the lower and upper stopband to provide good selectivity and four transmission zeros which provide wide stopband upto 6.86f0. Proposed BPF has a very compact size of 0.064λg×0.062λg.

Novel compact band‐pass filter with three transmission zeros

2020 ◽  
Vol 62 (11) ◽  
pp. 3514-3518
Author(s):  
Qian Xiao ◽  
Hui Wang ◽  
Zhuofan Jiao ◽  
Chang Jiang You ◽  
Jingye Cai
Keyword(s):  
Band Pass Filter ◽  
Pass Filter ◽  
Transmission Zeros ◽  
Compact Band ◽  
Band Pass

New low-loss tunable microstrip band-pass filter with two transmission zeros

2018 ◽  
Vol 98 (2) ◽  
pp. 401-408 ◽  
Author(s):  
Ali Ebrahimi ◽  
Hossein Shamsi ◽  
Arash Ahmadi ◽  
Emad Ebrahimi
Keyword(s):  
Band Pass Filter ◽  
Low Loss ◽  
Pass Filter ◽  
Transmission Zeros ◽  
Band Pass

Dual band pass filter with sharp transmission zeros for wireless applications

2018 ◽  
Vol 13 (06) ◽  
pp. P06020-P06020 ◽  
Author(s):  
A.A. Ibrahim ◽  
M.A. Abdalla ◽  
W.A.E. Ali
Keyword(s):  
Dual Band ◽  
Band Pass Filter ◽  
Pass Filter ◽  
Wireless Applications ◽  
Transmission Zeros ◽  
Band Pass
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