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Perancangan Quadband BPF dengan Komponen Lumpeduntuk Sistem m-BWA Wibisono, Gunawan; Simanjuntak, Daniel; Kurniawan, Taufiq Alif
Jurnal Elektronika dan Telekomunikasi Vol 13, No 2 (2013)
Publisher : Indonesian Institute of Sciences

Ada banyak teknologi mobile broadband wireless access (m-BWA) yang saat ini digunakan, agar bisa mencakup seluruh teknologi m-BWA yang ada dalam sebuah perangkat maka diperlukan teknologi multiband . Salah satu komponen penting yang mendukung perkembangan teknologi m-BWA adalah bandpass filter (BPF), yang berfungsi untuk memilah-milah dan mengisolasi band yang spesifik dari interferensi pada transceiver radio frequency (RF). Pada penelitian ini akan dirancang quadband BPF yang beroperasi pada frekuensi tengah 950 MHz dan 1,85 GHz untuk aplikasi GSM, 2,35 GHz untuk aplikasi WiMAX, dan 2,65 GHz untuk aplikasi LTE secara simultan. Rangkaian quadband BPF dibangun dan dikembangkan dari konsep dualband BPF dengan menambahkan sejumlah cross coupling pada inductive coupling BPF tersebut untuk menghasilkan zero pada frekuensi tertentu yang diharapkan menggunakan komponen lumped. BPF yang dirancang memiliki spesifikasi, input return loss (S11) < -10 dB, insertion loss (S21) > -3 dB, dan voltage standing wave ratio (VSWR) antara 1 – 2, dan group delay kurang dari 10 ns. Perancangan dilakukan menggunakan perangkat lunak Advance Design System (ADS) dan kemudian difabrikasi berbasis printed circuit board (PCB). Hasil simulasi BPF menunjukkan kinerja quadband BPF memenuhi kriteria perancangan sedangkan hasil fabrikasi mengalami pergeseran.

CUT-OFF POINT OF PSA AND PSA DENSITY IN PROSTATE CANCER SUSPECTED PATIENTS Simanjuntak, Daniel; Safriadi, Ferry
Indonesian Journal of Urology Vol 23 No 1 (2016)
Publisher : Indonesian Urological Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32421/juri.v23i1.203

Objective: In Hasan Sadikin General Hospital Bandung prostate biopsy is recommended for patients with prostate specific antigen (PSA) levels above 10 ng/mL or PSA density (PSAD) above 0.15 if PSA in between 4–10 ng/mL. However, there were other factors beside of prostate cancer (PCa) that could influence PSA value, such as racial differences and prostatitis. Thus, the optimal cut-off point for PSA is still debatable in national level. This research aimed to determine PSA and PSAD cut-off point for patient suspected of PCa in Hasan Sadikin Hospital Bandung. Material & Methods: A total of 502 patients underwent prostate biopsy for suspicion PCa from 2010–2014. The cut-off point of PSA and PSAD is generated from receiver operating characteristic (ROC) curve. Results: The cut-off point for PSA was 14.6 ng/mL (sensitivity 81.4%, specificity 29.8%). The cut-off point for PSAD was 0.23 (sensitivity 81.4%, specificity 34.8%). Positive predictive value (PPV) for this new cut-off point of PSA and PSAD were 41.1% and 37.6% respectively. Conclusion: PSA and PSAD cut-off point for patients in our center was 14.6 ng/mL and 0.23 respectively. This value is relatively higher compared to the Indonesian consensus. The difference might occur due to high rate of urinary tract infection in patients attending Hasan Sadikin General Hospital Bandung.

Analisis Kesalahan Penggunaan Tanda Baca Pada Tugas Makalah Mahasiswa Pendidikan Jasmani Kesehatan Dan Rekreasi Universitas Negeri Medan (UNIMED) Harahap, Nasser Al-Shobri; Siallagan, Lasenna; Simanjuntak, Daniel; Pramana Ginting, Despian Joe; Akbar, Ariqah
Jurnal Inovasi Penelitian Ilmu Pendidikan Indonesia Vol 2,No 1, Januari 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/50f7s314

Penggunaan tanda baca merupakan elemen penting dalam penulisan akademik karena memengaruhi kejelasan dan alur argumentasi dalam sebuah tulisan. Pada mahasiswa PJKR (Pendidikan Jasmani, Kesehatan, dan Rekreasi) Universitas Negeri Medan, ditemukan banyak kesalahan dalam penggunaan tanda baca yang berpotensi mengganggu pemahaman terhadap makalah yang disusun. Penelitian ini bertujuan untuk menganalisis jenis-jenis kesalahan penggunaan tanda baca yang umum terjadi dalam tugas-tugas makalah mahasiswa PJKR, serta mengidentifikasi penyebab dari kesalahan tersebut. Studi ini menggunakan pendekatan deskriptif kualitatif melalui analisis 30 makalah mahasiswa, dengan hasil menunjukkan bahwa kesalahan paling sering terjadi pada penggunaan tanda koma, titik, tanda kutip, tanda hubung, serta penggunaan tanda seru dan tanda tanya yang tidak sesuai konteks formal penulisan akademik. Penelitian ini juga memberikan beberapa rekomendasi untuk pengajaran yang lebih efektif terkait penggunaan tanda baca dalam penulisan akademik.

Improving Chemistry Learning Outcomes in Electrochemistry through STAD-Cooperative Learning Model in Class X SMK 2 Palembang Simanjuntak, Daniel; Hadeli, Muhammad; Farlina, Meidia
Pedagogy Review Vol 1, No 1 (2022): Pedagogy Review
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/pedagogy/v1i1.pp30-37

Abstract: The Increase Of Study Chemistry Through Implementation of Cooperative Learning Model Type STAD in Class X TITL 4 SMKN 2 Palembang. Classroom Action Research (PTK) aims to know the improvements studied chemistry students using a learning model of Student Teams Achievement division (STAD). The research was conducted in the class X SMK Negeri 2 Palembang and the object at students of class X TITL 4, amounting to 34 students. The research which is implemented in two cycles. The data obtained from each cycle later in the analysis to know of any amprovement in the learning process and as a corrections to proceed to the next cycle. Data obtained using sheets of observation and instrument test student learning outcomes. Improved student learning outcomes can be seen from using class average and percent students classical. In the first cycle the average score of students is 66.72 with the percentage of students classical is 41.18%. in the second cycle, there is an increase score in student learning by 78.74 with the percentage classical student to 84.84% Keywords: classroom action research, learning model of stad, student learning outcomes.

INDONESIAN MARKETING STUDENTS’ FEAR OF PUBLIC SPEAKING USING ENGLISH LANGUAGE Rizki Muhammad Ardian Setiadi; Simanjuntak, Daniel
English Teaching Journal and Research: Journal of English Education, Literature, And Linguistics Vol. 5 No. 1 (2025): ETJaR Juni 2025
Publisher : Center for the Research and the Community Service, Islamic Institut of Hasanuddin Pare - Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55148/etjar.v5i1.1663

Students are expected to be proficient in conducting public speaking using English language. However, many students struggle to speak in front of many people because of the fear that they experience. The present study aimed to examine the fears students experience when speaking in public. This study employed descriptive qualitative study. Qualitative survey was distributed to the students to collect the data. The survey consisted of four questions regarding fear of public speaking. As many as 50 marketing students who had taken public speaking course were asked to fill in the survey. The data collected was examine through qualitative thematic analysis. The results showed four themes extracted from the survey, including nervousness, fears, practice and facilitating practice.

Perancangan Aplikasi Dashboard Monitoring Untuk Peningkatan Akreditasi Program Studi Institusi Di Politeknik APP Jakarta Mulyo Diningrat, Mohammad Santosa; Simanjuntak, Daniel; Ardian Setiadi, Rizki Muhammad
Jurnal Informa : Jurnal Penelitian dan Pengabdian Masyarakat Vol 8 No 2 (2022): Desember
Publisher : Politeknik Indonusa Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46808/informa.v8i2.226

The National Accreditation Board for Higher Education (BAN-PT) developed the Study Program Accreditation Instrument (IAPS) 4.0 which is output and outcome oriented. Quality measurement is more focused on process, output and outcome aspects, while previous instruments measured more input aspects. The 9 accreditation criteria include Vision, Mission, Objectives and Strategy, Governance, Governance and Cooperation, Students, Human Resources, Finance, Facilities and Infrastructure, Education, Research, Community Service, and Tridharma Outcomes and Achievements. APP Jakarta Polytechnic is one of the tertiary institutions within the Ministry of Industry of the Republic of Indonesia which is under the Industrial Resource Development Agency (BPSDMI) which aims to realize Good University Governance. In accordance with the Vision of the APP Jakarta Polytechnic, namely "To become an excellent and globally competitive provider of industrial vocational education". The form of monitoring development is by preparing for the need for Web-based accreditation dashboard data which can provide convenience in processing data and providing insight into study program accreditation in real time in an effective and efficient manner.

The Representation of Target Culture in a Locally Published English Textbook Setiadi, Rizki Muhammad Ardian; Simanjuntak, Daniel; Diningrat, Mohammad Santosa Mulyo
IALLTEACH (Issues In Applied Linguistics & Language Teaching) Vol. 4 No. 2 (2022): Issues in Applied Linguistics and Language Teaching
Publisher : English Language Education, Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/iallteach.v4i2.7254

Culture is an important part of English language teaching and learning. Students must be exposed to the culture related to the communication skills being taught. Textbook can be a medium for the teachers to present different kinds of culture along with the language content. Therefore, it is essential for an English textbook to properly include cultural contents. This study aims to investigate the target culture included in a junior high school English textbook used by many teachers in Indonesia. Qualitative descriptive design was employed in order to describe the target culture in the textbook without any manipulation to the data. Moranâ€™s (2001) five dimensions of culture that include products, practices, perspectives, communities, and persons was used to analyze the data. The results found 61 items in the textbook that contained references to the target culture. The ways those target culture were presented were not vary. Almost all of those items were presented in words or passages.

Strategi Pemasaran Dengan Menggunakan Analisis Swot Di Toko Relaps Computer Simanjuntak, Daniel; Masrifah, Ifah; Eriza , Irvia
Economics and Digital Business Review Vol. 7 No. 1 (2025): Agustus - Januari
Publisher : STIE Amkop Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Penelitian ini bertujuan untuk mengembangkan strategi pemasaran yang efektif di toko laptop bekas khususnya untuk Toko Relaps Computer dengan menggunakan analisis SWOT. Analisis SWOT digunakan untuk mengidentifikasi kekuatan, kelemahan, peluang, dan ancaman yang dihadapi oleh Toko Relaps Computer yang berfokus penjualan laptop bekas dalam memasarkan produknya. Penelitian ini menggunakan pengumpulan data kualitatif dan kuantitatif. Dengan metode analisis langsung ke lokasi, wawancara ke owner, pegawai dan konsumen. Hasil penelitian ini menunjukkan bahwa Toko Relaps Computer memiliki kekuatan dalam hal harga yang kompetitif dan kualitas produk yang baik, namun memiliki kelemahan dalam hal promosi dan lokasi yang kurang strategis, peluang yang dapat dimanfaatkan adalah meningkatnya permintaan laptop bekas di kalangan mahasiswa dan pekerja, sedangkan ancaman yang dihadapi adalah persaingan yang ketat di pasar laptop bekas. Penelitian ini diharapkan dapat memberikan kontribusi yang signifikan bagi pengembangan strategi pemasaran di toko laptop bekas dan meningkatkan kinerja bisnisnya.

Penerapan Strategi Experiential Marketing Brand Nescafé dalam Promosi Nescafé Ice Roast Simanjuntak, Daniel; Anita Fauzah; Rizki Muhammad Ardian Setiadi; Maysitha Fitri Az Zahra
Jurnal Ilmiah Neraca : Ekonomi Bisnis, Manajemen, Akuntansi Vol. 8 No. 2 (2025): Vol.8 No.2 Mei-Oktober (2025)
Publisher : Sekolah Tinggi Ilmu Ekonomi LPI Makasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56070/jinema.v8i2.220

This study aims to analyze the experiential marketing strategy implemented by the Nescafé brand in promoting its Nescafé Ice Roast product. The research employs a qualitative method with a descriptive approach, based on Schmitt’s (1999) Experiential Marketing framework, which consists of five core dimensions: sense, feel, think, act, and relate. Data were collected through literature review, observation of promotional content, and analysis of Nescafé’s marketing activities for the Ice Roast campaign. The findings reveal that Nescafé applies the sense dimension through attractive packaging and visual advertising; the feel dimension by creating refreshing and enjoyable emotional experiences; the think dimension with creative messages that align with the lifestyle of young consumers; the act dimension by encouraging consumer interaction through digital activations and events; and the relate dimension by fostering a sense of togetherness and identity within the urban youth community.

INDONESIAN MARKETING STUDENTS’ FEAR OF PUBLIC SPEAKING USING ENGLISH LANGUAGE Rizki Muhammad Ardian Setiadi; Simanjuntak, Daniel
English Teaching Journal and Research: Journal of English Education, Literature, And Linguistics Vol. 5 No. 1 (2025): ETJaR Juni 2025
Publisher : Center for the Research and the Community Service, Islamic Institut of Hasanuddin Pare - Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55148/etjar.v5i1.1663

Students are expected to be proficient in conducting public speaking using English language. However, many students struggle to speak in front of many people because of the fear that they experience. The present study aimed to examine the fears students experience when speaking in public. This study employed descriptive qualitative study. Qualitative survey was distributed to the students to collect the data. The survey consisted of four questions regarding fear of public speaking. As many as 50 marketing students who had taken public speaking course were asked to fill in the survey. The data collected was examine through qualitative thematic analysis. The results showed four themes extracted from the survey, including nervousness, fears, practice and facilitating practice.

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