BibTex Citation Data :
@article{Transmisi66393, author = {Arief Wardhana dan Winasis Winasis dan Priswanto Priswanto}, title = {DESIGN OF A CASCODE BIPOLAR JUNCTION TRANSISTOR (BJT) RADIO FREQUENCY (RF) AMPLIFIER CIRCUIT}, journal = {Transmisi: Jurnal Ilmiah Teknik Elektro}, volume = {27}, number = {2}, year = {2025}, keywords = {Kata kunci: penguat RF, konfigurasi cascode, common emitter, common base, resonator, rangkaian tuned}, abstract = { The purpose of this research is to develop an audio receiver amplifier circuit. The amplifier consists of a cascode amplifier which is turned into an amplifier by adding two parallel resonators. One parallel resonator is placed at the input. Another parallel circuit is used as a collector load. Parallel circuit was employed because this device is intended for use only over a narrow frequency range. The tuned amplifier’s frequency was 734 . A spoiling resistor of magnitude was added in series with the tuned circuit’s inductor to reduce the sharpness of the resonant peak, resulting in a bandwidth. The famous cascode configuration was employed to improve the high-frequency performance of this amplifier. The Multisim simulation results of the circuit shows that it has performed according to the specification. It can be concluded that the designed circuit has successfully carried out his duty, in that only the frequencies of interest within the bandwidth are amplified. The circuit has been able to selects a particular range of frequencies (from a lower frequency of up to an upper frequency of ), and rejects the other undesired frequencies. Thus, giving the tuned amplifier a bandwidth of . The peak voltage was achieved at frequency of . Furthermore, the cascode configuration employed has effectively eliminates the most trouble source of high-frequency loss – the input Miller capacitance. }, issn = {2407-6422}, pages = {109--121} doi = {10.14710/transmisi.27.2.109-121}, url = {https://ejournal.undip.ac.id/index.php/transmisi/article/view/66393} }
Refworks Citation Data :
The purpose of this research is to develop an audio receiver amplifier circuit. The amplifier consists of a cascode amplifier which is turned into an amplifier by adding two parallel resonators. One parallel resonator is placed at the input. Another parallel circuit is used as a collector load. Parallel circuit was employed because this device is intended for use only over a narrow frequency range. The tuned amplifier’s frequency was 734 . A spoiling resistor of magnitude was added in series with the tuned circuit’s inductor to reduce the sharpness of the resonant peak, resulting in a bandwidth. The famous cascode configuration was employed to improve the high-frequency performance of this amplifier. The Multisim simulation results of the circuit shows that it has performed according to the specification. It can be concluded that the designed circuit has successfully carried out his duty, in that only the frequencies of interest within the bandwidth are amplified. The circuit has been able to selects a particular range of frequencies (from a lower frequency of up to an upper frequency of ), and rejects the other undesired frequencies. Thus, giving the tuned amplifier a bandwidth of . The peak voltage was achieved at frequency of . Furthermore, the cascode configuration employed has effectively eliminates the most trouble source of high-frequency loss – the input Miller capacitance.
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Dr. Darjat (Ketua Editor)Departemen Teknik Elektro, Universitas Diponegoro, IndonesiaJl. Prof. Sudharto, Tembalang, Semarang 50275 IndonesiaTelepon/Facs: 62-24-7460057Email: transmisi@elektro.undip.ac.id