Band-pass filter

In this paper, we present modeling and design of a bandpass filter for the use in Remote Radio Unit (RRU) transceivers (TRX) of Long Term Evolution Advantage (LTE-A) base stations. Generalized Chebyshev response is employed to synthesize the filter.

5p vispyker 16-11-2022 6 3   Download

One of the major passive components, which affected the performance of broadband RF/microwave communication systems, is the diplexers. This paper presents a new approach for designing a high selectivity diplexer, which is based on compact and high unloaded quality factor hybrid coaxial and microstrip resonator bandpass filters (BPFs).

10p viarrinera 26-08-2022 12 4   Download

The article presents a design for a bandpass filter using TE dual-mode resonator. The design is based on the general scatting matrix of each discontinuity in the structure. Different propagation modes in the same waveguide section are used to represent the matrices to facilitate the design.

9p vikissinger 03-03-2022 9 2   Download

The advantage of this newly designed filter is its simple abilities to set up and to adjust the resonant frequencies of four bands. In addition, by using the skew-symmetrical 00 feeding structure, the filter quality has been improved.

9p viengland2711 23-07-2019 11 0   Download

Universal voltage mode biquadratic filter synthesis using nodal admittance matrix expansion. This paper presents a systematic synthesis procedure for generating universal voltage- mode biquadratic filters based on the nodal admittance matrix expansion. The obtained eight equivalent circuits can realize all five standard filter functions namely lowpass, bandpass, highpass, notch and allpass employing only two active elements.

23p lehasiphuong 22-05-2018 42 1   Download

Evaluating the average probability of symbol error for different bandpass modulation schemes Comparing different modulation schemes based on their error performances.Transforming signals to improve communications performance by increasing the robustness against channel impairments (noise, interference, fading, ...)

43p doanhung_dtvtk10 24-03-2013 56 4   Download

Some bandpass modulation schemes MPAM, MPSK, MFSK, MQAM How to perform coherent and noncoherent detection.How to calculate the average probability of symbol error for different modulation schemes that we studied? How to compare different modulation schemes based on their error performances?

25p doanhung_dtvtk10 24-03-2013 71 4   Download

Another source of error due to filtering effect of the system: Intersymbol. interference (ISI) The techniques to reduce ISI. Pulse shaping to achieve zero ISI at the sampling time. Equalization to combat the filtering effect of the channel.Some bandpass modulation schemes used in DCS for transmitting information oer channel. MPAM, MPSK, MFSK, MQAM How to detect the transmitted information at the receiver. Coherent detection. Noncoherent detection.

27p doanhung_dtvtk10 24-03-2013 56 5   Download

Trong bài này bạn sẽ học cách sử dụng ADS microstrip thành phần để mô phỏng một BandPass Filter sử dụng đường dây kết. Bạn sẽ làm một mô phỏng và mô phỏng một mạng lưới điện của đà bằng cách sử dụng bộ lọc.

4p dovanthuc 19-02-2011 199 37   Download

Case Study for Mobile Communications Applications Microstrip filters play various roles in wireless or mobile communication systems. This chapter is particularly concerned with a case study of high-temperature superconducting (HTS) microstrip filters for the cellular base station applications. The study starts with a brief discussion of typical HTS subsystems and RF modules, including HTS microstrip filters for cellular base stations.

25p huggoo 20-08-2010 89 10   Download

Coupled Resonator Circuits Coupled resonator circuits are of importance for design of RF/microwave filters, in particular the narrow-band bandpass filters that play a significant role in many applications. There is a general technique for designing coupled resonator filters in the sense that it can be applied to any type of resonator despite its physical structure. It has been applied to the design of waveguide filters [1–2], dielectric resonator filters [3], ceramic combline filters [4], microstrip filters [5–7], superconducting filters [8], and micromachined filters [9]. ...

38p huggoo 20-08-2010 74 8   Download

Lowpass and Bandpass Filters Conventional microstrip lowpass and bandpass filters such as stepped-impedance filters, open-stub filters, semilumped element filters, end- and parallel-coupled half-wavelength resonator filters, hairpin-line filters, interdigital and combline filters, pseudocombline filters, and stub-line filters are widely used in many RF/microwave applications. It is the purpose of this chapter to present the designs of these filters with instructive design examples.

51p huggoo 20-08-2010 157 11   Download

Power amplifiers consist of an active device, biasing networks and input and output reactive filtering and transforming networks. These networks are effectively bandpass filters offering the required impedance transformation. They are also designed to offer some frequency shaping to compensate for the roll-off in the active device frequency response if broadband operation is required. However the function of each network is quite different. The input circuit usually provides impedance matching to achieve low input return loss and good power transfer. ...

26p doroxon 16-08-2010 113 16   Download

Filter banks are arrangements low pass, bandpass, and highpass filters used of for the spectral decomposition and composition of signals. They play an important role in many modern signal processing applications such as audio and image coding. The reason for their popularity is the fact that they easily allow the extractionof spectral components of a signal while providing very efficient implementations. Since most filter banks involve various sampling rates, they are also referred to as multirate systems....

53p doroxon 12-08-2010 101 6   Download

Some bandpass modulation schemes -M-PAM, M-PSK, M-FSK, M-QAM -How to perform coherent and non-coherent detection -How to calculate the average probability of symbol error for different modulation schemes that we studied?

25p huemanvdoc 23-11-2009 127 29   Download