Sianipar, J. R.; Wildan, M.; Firmansyah, T. Design of Microstrip Meander Line Antenna for Frequency Resonance 332 MHz on Portable ILS/VOR Receiver for Navigation Aids. Indonesia. J. Educ. Math. Sci. 2024, 5 (1), 12–18. https://doi.org/10.30596/ijems.v5i1.16180.
Alam, S.; Zakaria, Z.; Surjati, I.; Shairi, N. A.; Alaydrus, M.; Firmansyah, T. Highly Independent Dual-Band Permittivity Sensors for Simultaneous Measurement of Solid Materials. In 33rd International Conference Radioelektronika (RADIOELEKTRONIKA); IEEE, 2023; pp 1–4. https://doi.org/10.1109/RADIOELEKTRONIKA57919.2023.10109074.
Supriyanto, T.; Wulandari, A.; Yusuf, M.; Tyas, A. S.; Firmansyah, T.; Riyandika, R.; Saraswati, I. Detektor Kecepatan Kendaraan Pada Frekuensi 10 GHz Dengan Sudut Interogator Sisi Azimuth Sebesar 30 Derajat. In Proceedings of the National Conference on Electrical Engineering, Informatics, Industrial Technology, and Creative Media; 2023; Vol. 3, pp 113–121.
Alam, S.; Shairi, N. A.; Zakaria, Z.; Alaydrus, M.; Surjati, I.; Firmansyah, T. Independent Permittivity Sensor Based on Dual T-Shaped Resonator for Solid Material Characterization. In IEEE International Symposium On Antennas And Propagation (ISAP); IEEE, 2023; pp 1–2. https://doi.org/10.1109/ISAP57493.2023.10389148.
Anggraini, N. V.; Hutahaean, S.; Firmansyah, T.; Nuryanta, M. R.; Apriliana, V.; Lestari, B. D.; Saifulloh, M. H.; Junita, N. Penggunaan Monitoring Mandiri Melalui Sistem Informasi Pemantauan Obesitas Remaja (Sifortasima) Dalam Pencegahan Obesitas Remaja. J. Kreat. Pengabdi. Kpd. Masy. 2022, 5 (11), 4025–4033. https://doi.org/10.33024/jkpm.v5i11.7640.
Firmansyah, T.; Wibisono, G.; Rahardjo, E. T.; Kondoh, J. Shear Horizontal Surface Vibration Stimulates Dual-Shifted Peaks of Localized Surface Plasmon under Air and Liquid Environment. In Proceedings of Symposium on Ultrasonic Electronics; Institute for Ultrasonic Elecronics, 2021; Vol. 42, pp 2E5-2. https://doi.org/10.24492/use.42.0_2E5-2.
Firmansyah, T.; Wibisono, G.; Rahardjo, E. T.; Kondoh, J. Shear Horizontal Surface Vibration Stimulates Dual-Shifted Peaks of Localized Surface Plasmon under Air and Liquid Environment. In Proceedings of Symposium on Ultrasonic Electronics; Institute for Ultrasonic Elecronics, 2021; Vol. 42, pp 2E5-2. https://doi.org/10.24492/use.42.0_2E5-2.
Firmansyah, T.; Wibisono, G.; Rahardjo, E. T.; Kondoh, J. Electrically Tunable of LSPR Using Shear Horizontal Surface Acoustic Wave Device. In Proceedings of Symposium on Ultrasonic Electronics; Institute for Ultrasonic Elecronics, 2020; Vol. 41, pp 2E5-3.
Herudin, H.; Pramudyo, A. S.; Firmansyah, T. Design of a Microstrip Antenna Dual Band Patch Rectangular Using a Combination Stub and Slit Methods for LTE and Wi-Fi Applications. In Proceeding - 2020 2nd International Conference on Industrial Electrical and Electronics, ICIEE 2020; 2020; pp 194–196. https://doi.org/10.1109/ICIEE49813.2020.9277140.
Herudin Herudin Anggoro Suryo Pramudyo, Firmansyah, T. Design of a Microstrip Antenna Array Dual Band Using Stub Method. In 2nd International Conference on Industrial Electrical and Electronics (ICIEE); 2020; pp 198–200. https://doi.org/10.1109/ICIEE49813.2020.9277102.
Firmansyah, T.; Wibisono, G.; Rahardjo, E. T. Compact UWB Bandpass Filter Based on Crossed Dumbbell-Stub with Notch Band Using Defected Microstrip Structure. In International Conference on Quality in Research, QIR 2019 - International Symposium on Electrical and Computer Engineering; 2019; pp 1–4. https://doi.org/10.1109/QIR.2019.8898293.
Firmansyah, T.; Herudin, S. D. C. Wideband Microstrip Antenna with Defected Ground Structure Method for Digital Video Broadcasting-Terrestrial 2 (DVB-T2) Applications. In PROCEEDINGS The 4th International Conference on Basic Sciences 2018: The Development of Sciences and Technology in Improving Natural and Cultural Resources; Faculty of Mathematics and Natural Sciences Universitas Pattimura Ambon, 2019.
Supriyanto, T.; Nurjanah, A.; Firmansyah, T. Design of Microstrip E-Shape Patch Array Antenna Frequency 2, 4 GHz for Wireless CCTV Applications. In PROCEEDINGS The 4th International Conference on Basic Sciences 2018: The Development of Sciences and Technology in Improving Natural and Cultural Resources; Faculty of Mathematics and Natural Sciences Universitas Pattimura Ambon, 2019.
Praptodiyono, S.; Santoso, M. I.; Firmansyah, T.; Abdurrazaq, A.; Hasbullah, I. H.; Osman, A. Enhancing Ipsec Performance in Mobile IPv6 Using Elliptic Curve Cryptography. In International Conference on Electrical Engineering, Computer Science and Informatics (EECSI); 2019; pp 286–291. https://doi.org/10.23919/EECSI48112.2019.8976992.
Supriyanto, T.; Nurinsani, R. K.; Firmansyah, T. Design of Microstrip Rectangular Circular Array Antenna 1 x 8 at Frequency of 1800 MHz for Increase Power of 4G Signal. In Journal of Physics: Conference Series; 2019; Vol. 1364. https://doi.org/10.1088/1742-6596/1364/1/012026.
Wiryadinata, R.; Pratama, A.; Fahrizal, R.; Firmansyah, T.; Widyani, R. Design of Linked Sirens for Tsunami Early Warning System Using Telecontrol System (Case Study at PUSDALOPS PB BPBD of Cilegon City). In IOP Conference Series: Materials Science and Engineering; 2019; Vol. 673. https://doi.org/10.1088/1757-899X/673/1/012057.
Nurmayulis; Eris, F. R.; Hastuti, D.; Utami, R. T.; Denny, Y. R.; Firmansyah, T. Effects of Neem Plant Extract (Azadirachta Indica A. Juss) and Bio-Surfactant Diethanolamide Olien from Palm Oil to the Mortality of Cacao Moth Pest (Conopomorpha Cramerella). In IOP Conference Series: Earth and Environmental Science; 2019; Vol. 383. https://doi.org/10.1088/1755-1315/383/1/012034.
Saraswati, I.; Puspitasari, V. D.; Pramudyo, A. S.; Alimuddin, A.; Firmansyah, T.; Khastini, R. O.; Mardono, U. Applications of Temperature and Humidity Monitoring System at Aerophonic Plants Based on LoT. In The 1st International Conference on Industrial, Electrical and Electronics (ICIEE 2018); 2018; pp 1–6. https://doi.org/10.1051/matecconf/201821803017.
Wibisono, G.; Firmansyah, T. Compact Quad-Wideband BPF Based on Dual-Stub Step Impedance Resonator with Meandering Structure. In TENCON 2018-2018 IEEE Region 10 Conference; IEEE, 2018; pp 16–19. https://doi.org/10.1109/TENCON.2018.8650111.
Wiyono, W.; Nugroho, B.; Prima, N.; Firmansyah, T.; Wardoyo, S. Identifikasi Osteoporosis Pada Vertebra Spinalis Menggunakan Metode Blended Statistical-Index Singh. Setrum Sist. Kendali-Tenaga-elektronika-telekomunikasi-komputer 2018, 7 (1), 26–35.
Pramudyo, A. S.; Saputri, A. S.; Praptodiyono, S.; Firmansyah, T. Penjadwalan Ujian Akhir Semester Di Fakultas Teknik UNTIRTA. In Seminar Nasional Teknologi Informasi dan Komunikasi (SEMNASTIK); 2018; Vol. 1, pp 250–256.
Denny, Y. R.; Firmansyah, T.; Isnaeni, I.; Aritonang, S.; Kartina, A. M. Evaluation of Band Gap Energy and Surface Roughness for Tin Indium Zinc Oxide Thin Films by Atomic Force Microscopy and Electron Spectroscopy. In IOP Conference Series: Materials Science and Engineering; 2018; Vol. 343. https://doi.org/10.1088/1757-899X/343/1/012006.
Wiryadinata, R.; Khoirussolih, M.; Rohanah, N.; Muttakin, I.; Firmansyah, T. Image Data Acquisition for NOAA 18 and NOAA 19 Weather Satellites Using QFH Antenna and RTL-SDR. In MATEC Web of Conferences; 2018; Vol. 218. https://doi.org/10.1051/matecconf/201821802002.
Denny, Y. R.; Firmansyah, T.; Handoko, E.; Isnaeni; Lee, K.; Park, C. Multiband Optically Transparent Antenna from Indium Zinc Tin Oxide Thin Films with Half-Circular Shaped. In Proceedings - 2018 4th International Conference on Science and Technology, ICST 2018; 2018. https://doi.org/10.1109/ICSTC.2018.8528609.
Firmansyah, T.; Kurniawan, F.; Denny, Y. R. Multiband Microstrip Antenna Array with Slot and Array Method for GSM, WCDMA, and LTE. In International Conference on Broadband Communication, Wireless Sensors and Powering (BCWSP); IEEE, 2017; pp 1–5.
Firmansyah, T.; Anggoro, A.; Herudin, H.; Widyaningsih, D. Perancangan Sistem Informasi Koperasi Mitra Sejahtera Di PT. Krakatau Information Technology. In Seminar Nasional Peranan Ipteks Menuju Industri Masa Depan (PIMIMD-4); 2017; pp 1–4.
Firmansyah, T.; Herudin, H.; SP, A.; Supriyanto, T. Peningkatan Bandwidth Antena Mikrostrip Lingkaran Menggunakan Metode Beleved Half Cut. In Seminar Nasional Inovasi Dan Aplikasi Teknologi Di Industri; 2017; pp 1–4.
Alimuddin; Sulaiman, F.; Parinduri, I. H.; Abdullah, R.; Firmansyah, T.; Syarif, M. S. Accelerometer Sensor Applications Early Warning System Train Accidents Due to Landslide at Laboratory Scale. In IOP Conference Series: Materials Science and Engineering; 2017; Vol. 180, pp 1–6. https://doi.org/10.1088/1757-899X/180/1/012152.
Suleman, N.; Rafsyam, Y.; Lisaniar, L.; Firmansyah, T. Pemetaan Suhu Permukaan Laut Menggunakan Data Satelit Noaa Frekuensi 137, 9 Mhz Berbasis Pengolahan Citra Menggunakan Morfologi Erison. In Seminar Nasional IPTEK Penerbangan dan Antariksa XX; LAPAN, 2016; pp 1–5.
Wiyono, W.; Nugroho, B.; Wardoyo, S.; Firmansyah, T. Analisa Citra X-Ray Tulang Vertebra Spinal Menggunakan Komparasi Pixel Biner Untuk Deteksi Osteoporosis. Pros. NCIEE 2016 2016, 4, 1–4.
Denny, Y. R.; Syarif, D. G.; Ruhiat, Y.; Firmansyah, T.; Suherman, A. The Effect of Frit Glass Content on the Crystalline Structure, Microstructure and Electrical Properties of Local Mineral and Fe2O3 Doped TiO2 Films. In AIP Conference Proceedings; 2016; Vol. 1711. https://doi.org/10.1063/1.4941615.
Firmansyah, T.; Purnomo, S.; Nugroho, T. H. F. Perancangan Antena Mikrostrip Polarisasi Circular Dual-Feed Frekuensi 1575, 42 MHz Untuk GPS. In Seminar Nasional dan Expo Teknik Elektro; 2015; p 1.
Firmansyah, T. Muhammad Mada Anggana, I. A. M. O. Perancangan Osilator Frekuensi 110,5 MHz Menggunakan Metode Colpits Dan Metode Hartley Untuk Localizer Instrument Landing System (ILS). In Seminar Nasional dan Gelar Produk Penelitian dan PPM; Universitas Negeri Yogyakarta (UNY), 2015.
Sulaiman, F.; Alimuddin, A.; Abdullah, R.; Firmansyah, T.; Mardiono, M. Perancangan Early Warning System Kondisi Cuaca Variabel Kelembaban Lingkungan Pencegahan Kecelakaan Transportasi Kereta Api Akibat Banjir Skala Laboratorium. In Seminar Nasional Instrumentasi, Kontrol dan Otomasi (SNIKO); 2015; pp 1–5.
Wardoyo, S.; Herudin, H.; Firmansyah, T. Desain High Gain Gilbert Cell Mixer Untuk Down Conversion WiMAX Frekuensi 2, 3 GHz. Pros. SNETE Unsyiah ke-5 2015, 1 (1–6).
Toni, W. T. S.; Purwanto, E.; Wildan, M.; Firmansyah, T. Analisa Propagasi Pada Modifikasi Antena TX VHF 50 Watt Untuk Meningkatkan Jangkauan Pancaran Sampai Ke Daerah Bontang Di Bandar Udara Sepinggan, Balikpapan. In Prosiding SENTIA Politeknik Negeri Malang; 2015; pp 1–9.
Firmansyah, T.; Wibisono, G.; Suhendar; Wardoyo, S.; Pramudyo, A. S.; Alimuddin. Monte-Carlo Yield Analysis Pada Dieletrik Resonator Osilator Frekuensi 2.3 GHz Untuk Mobile Wimax 802. In Seminar Nasional Microwave; Antena dan Propagasi (SMAP); Universitas Mercu Buana (UMB), 2014.
Firmansyah, T. Desain Mikrostrip Wideband Band Pass Filter Menggunakan Metode Open Split Ring Resonator Untuk Komunikasi Bergerak Nirkabel. In Seminar Nasional Peranan Teknologi Iptek Menuju Industri Masa Depan (PIMID); Institut Teknologi Padang (ITP), 2014.
Firmansyah, T.; Oka, I. A. M. Desain Downconverter Resistive Mixer Untuk Aplikasi GSM Pada Frekuensi 900 MHz. In Seminar Nasional dan Expo Teknik Elektro (SNETE); Universitas Syiah Kuala, 2014.
Supriyanto, T.; Wulandari, A.; Suhendar; Firmansyah, T.; Immanuel, E. Desain Wireless Power Transfer (WPT) Menggunakan Antena Loop Berbahan Alumunium. In Seminar Nasional dan Expo Teknik Elektro (SNETE); Universitas Syiah Kuala, 2014.
Siswo Wardoyo, Firmansyah, T, Uke Kurniawan Usman, Harry Sudibyo, H. Perancangan Concurrent Wideband Low Noise Amplifier Untuk Aplikasi Dual-on 4G Perangkat Mobile-Wimax Dan LTE Menggunakan Step Impedance Resonator (SIR). In Seminar Nasional Peranan Teknologi Iptek Menuju Industri Masa Depan (PIMID); Institut Teknologi Padang (ITP), 2014.
Firmansyah, T. Desain Antena Mikrostrip Single Input Multiple Output (SIMO) Menggunakan Ring Parasitic Radiator Untuk Aplikasi LTE. In Seminar Nasional Teknik Elektro (SNTE); Politeknik Negeri Jakarta (PNJ), 2013; pp 1–4.
Gunawan, W.; Firmansyah, T. Concurrent Multiband Low Noise Amplifier with Multisection Impedance Transformer. In Microwave Conference Proceedings (APMC), 2012 Asia-Pacific; IEEE, 2012; pp 914–916. https://doi.org/10.1109/APMC.2012.6421776.
Wibisono, G.; Manalu, P.; Kurniawan, T. A.; Firmansyah, T. Perancangan Concurrent Down Converter Multiband Mixer Pada Frekuensi 900 MHz; 2;1 GHz; 2;3 GHz Dan 2;6 GHz Dengan Teknologi CMOS 0;18 Μm. In Seminar Nasional Microwave; Antena dan Propagasi (SMAP); Universitas Indonesia (UI), 2012; pp 148–151.
Wibisono, G.; Firmansyah, T.; Supriyanto, T. Desain Antena MIMO 2 x 2 Mikrostrip Lingkaran Menggunakan Parasitik Substrat Untuk Aplikasi LTE. In Seminar Nasional Microwave; Antena dan Propagasi (SMAP); Universitas Indonesia (UI), 2012; pp 61–64.
Supriyanto, T.; Wibisono, G.; Firmansyah, T. Peningkatan Gain Antena Mikrostrip Lingkaran Menggunakan Front-End Parasitik Substrat Untuk Aplikasi LTE. In Seminar Nasional Microwave; Antena dan Propagasi (SMAP); Universitas Indonesia (UI), 2012.
Wibisono, G.; Sulistyaningrum, P.; Kurniawan, T. A.; Firmansyah, T. Perancangan Concurrent Multiband Low Noise Amplifier Menggunakan Teknologi CMOS 0.18 Μm. In Seminar Nasional Microwave; Antena dan Propagasi (SMAP); Universitas Indonesia (UI), 2012; pp 101–104.
Wibisono, G.; Prayadinata, D.; Firmansyah, T. Desain Concurrent Quad-Band LNA Dengan Quad-Resonator Untuk Aplikasi GSM; WLAN; WiMAX; Dan LTE. In Conference On Information Technology and Electrical Engineering (CITEE); Universitas Gadjah Mada (UGM), 2012.
Supriyanto, T.; Nixon, B.; Firmansyah, T. Rancang Bangun Microstrip Bandpass Filter Dual Band Menggunakan Resistansi Negatif Pada Frekuensi 2;3 GHz Dan 5;8 GHz Untuk Aplikasi BTS m-WiMAX Dan Fixed WiMAX. In Seminar Nasional Hasil Penelitian dan PKM; Politenik Negeri Jakarta (PNJ), 2011.
Wibisono, G.; Sugijono, E.; Firmansyah, T. Perancangan Dual Band Power Amplifier Untuk Mobile WiMAX Dan LTE Pada Frekuensi 2;35 GHz Dan 2;65 GHz. In Conference On Information Technology and Electrical Engineering (CITEE); Universitas Gadjah Mada (UGM), 2011.