Search Results - "Hikino, O."

New low-distortion band-switching techniques for SAW antenna duplexers used in ultra-wide-band cellular phone by Hikita, M., Sakiyama, K., Hikino, O., Kijima, M.

“…A new low-distortion band-switching technique for a surface-acoustic-wave (SAW) antenna duplexer used in ultra-wide-band cellular-phone systems has been…”
Get full text

Code optimization for direct sequence spread spectrum and SAW-matched filter implementation by Hikino, O., Belkerdid, M.A., Malocha, D.C.

“…This paper introduces a new optimization algorithm for the minimization of the time sidelobes of the correlation function of a pseudonoise (PN) sequence by…”
Get full text

New band-switching SAW antenna duplexer used in 800-MHz Japanese cdmaOne systems by Hikita, M., Sakiyama, K., Kijima, M., Hikino, O.

“…Japanese 800-MHz cdmaOne systems have not only reverse frequency allocations for the transmitted and received frequency bands, but also the very wide frequency…”
Get full text

Investigation of merged Rx-differential output for multi-band saw front-end module by Hikita, M., Shibagaki, N., Yokoyama, K., Matsuda, S., Matsuura, N., Hikino, O.

“…A quad-band SAW FEM used together with conventional triple-band RFICs was developed. To reduce number of Rx output ports of the FEM, we examined several types…”
Get full text

The rounded shape spiral transmission line phase shifter for miniaturized SAW W-CDMA antenna duplexers by Hikino, O., Ohki, M., Kondo, S., Hamasaki, J., Tomohiro Endo, Shiba, T., Fujita, Y., Murakami, S.

Get full text

Multi-band SAW front-end module considering impedance matching between FEM and direct-conversion RF-IC by Hikita, M., Shibagaki, N., Matsuura, N., Yokoyama, K., Matsuda, S., Hikino, O.

“…Assuming a direct-conversion demodulation method, a triple-band SAW front-end module was investigated. Based on the blocking requirements given by GSM…”
Get full text

The new approach to realize small imbalances in differential Rx-outputs for SAW front end module by Hikino, O., Kijima, M., Yokoyama, K., Ohki, M., Matsuura, N., Sakiyama, K., Hikita, M.

“…A balun circuit which has unique structure has been studied for accurate balanced characteristics and minimization of front end module (FEM) device size having…”
Get full text

Code optimization for direct sequence spread spectrum and SAW matched filter implementation by Hikino, O., Belkerdid, M.A., Malocha, D.C.

“…This paper introduces an algorithm for the minimization of the time sidelobe level (TSL) of correlation functions of PN sequences by applying dynamic weighting…”
Get full text

Measurements of SAW effective velocity angular-variation under metal strip gratings and their application to ASPW analysis by Hikino, O., Ikeda, F., Shiba, T., Yuhara, A.

“…Measurements of SAW effective velocity angular-variation under metal strip gratings, using a comb-filter method are described. A distinctive characteristic was…”
Get full text

Automatic design technique based on nonlinear optimization for SAW devices by Shiba, T., Fujita, Y., Ide, M., Kondo, S., Hikino, O., Kamogawa, N., Dokai, S., Ogawa, S., Oda, K.

“…An improved automatic design technique based on nonlinear optimization method will be reported. The number of interdigital transducer (IDT) electrodes are…”
Get full text

Diffraction simulation of SAW filters using SAW source distribution by Hikino, O., Koshiba, M., Hasegawa, K., Shiba, T., Yuhara, A., Malocha, D.C.

“…A new approach for the simulation of the diffraction effect in Surface Acoustic Wave (SAW) filters based on the two dimensional Angular Spectrum of Wave method…”
Get full text

Study of Electrostatic Discharge Durability for Surface Acoustic Wave Module by Shiba, Takashi, Hikino, Osamu, Okajima, Daini, Kamogawa, Naoko

“…The electrostatic discharge (ESD) characteristics of surface acoustic wave (SAW) antenna duplexer modules are studied. We have researched the main spectrum of…”
Get full text

6J-2 Study of High Isolation and Miniature SAW Duplexer by Shiba, T., Ooki, M., Hamasaki, J., Hikino, O., Fujita, Y.

“…Finite element methods for integrated circuits of LTCC and equivalent circuit models for SAW chips are applied to SAW duplexer analysis. We improve this…”
Get full text