Essays about: "förstärkare"

Showing result 16 - 20 of 29 essays containing the word förstärkare.

  1. 16. Active- integrated aperture lens antenna

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Jesus Ventas Muñoz de Lucas; [2021]
    Keywords : ;

    Abstract : Luneburg lens antennas are gaining popularity in new communication systems, as increasingly higher frequencies are being used. Broadband fully- metallic implementations of Luneburg lenses, such as Rinehart- Luneburg lenses, constitute simple, cheap and efficient beamformers. READ MORE

  3. 17. The use of and attitudes to voice amplification in higher education institutions

    University essay from KTH/Medicinteknik och hälsosystem

    Author : Joshua David Ashok; [2020]
    Keywords : ;

    Abstract : Background: Voice is still the most important tool used by teachers, but voice is varied and subject to problems. Teachers who lecture for long hours or have taught for most of their professional lives, face issues such as voice discomfort, chronic voice disorders, occupational voice disorder, stress, physiological and psychological problems. READ MORE

  4. 18. Electromagnetic Compatibility Scanner

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Erik von Keyserlingk; [2020]
    Keywords : ;

    Abstract : With the increasing amount of wireless devices in use today. All from Bluetooth headphonesto smart fridges, which communicates wirelessly to a server or phone. The needfor the radio frequency spectrum to be free from disturbances is necessarily. READ MORE

  5. 19. Development of III-V RF Nanowire MOSFETs

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Josefine Rost; Anna Wagnström; [2018]
    Keywords : Nanowire MOSFET; RF; COMSOL Multiphysics; Semiconductor processing; III-V Materials; Technology and Engineering;

    Abstract : The silicon MOSFET is one of the most important components used in modern electronics. The pursuit to continue fulfilling Moore’s law by scaling transistors to even smaller sizes have driven the development forward for CMOS technologies and new approaches have been necessary. READ MORE

  6. 20. Simulation and Construction of a Half-Bridge Class D Audio Amplifier

    University essay from Uppsala universitet/Fasta tillståndets elektronik

    Author : Johan Engstrand; Niklas Kavathatzopoulos; Jonathan Nordenholm; [2018]
    Keywords : amplifier; class D; half-bridge; simulation; LTspice; KiCad; förstärkare; klass D; halvbrygga;

    Abstract : Usage of class D audio amplifiers has become increasingly widespread in recent years, mainly due to their high efficiency, which can reach almost 100 %. Class D amplifiers can also be compact, making them suitable for mobile applications. In contrast, the most efficient conventional amplifiers such as class B can reach a maximum efficiency of 78. READ MORE