Sökning: "Analog circuits"

Visar resultat 1 - 5 av 89 avhandlingar innehållade orden Analog circuits.

1. 1. Linear Transmitter Design Using Nonlinear Analog Circuits

   Författare :Bo Shi; Institutionen för elektro- och informationsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Telecommunication engineering; Elektronik och elektroteknik; Electronics and Electrical technology; BiCMOS.; CMOS; ASIC; Radio-frequency circuits; Translinear circuits; RF power amplifier linearization; Linear transmitter; Nonlinear analog circuits; Telekommunikationsteknik;

   Sammanfattning : This dissertation deals with analog techniques at both the architecture and circuit design levels for designing power efficient linear radio-frequency (RF) transmitters. The use of nonlinear analog integrated circuits to implement certain critical signal processing functions for the multiplicative feedback and LINC techniques is investigated with the aim of improving the system performance in terms of complexity, linearity and power efficiency. LÄS MER

3. 2. Switched-current circuits : from building blocks to mixed analog-digital systems

   Författare :Bengt Jonsson; KTH; []
   Nyckelord :;

   Sammanfattning : .... LÄS MER

4. 3. Reduction of Substrate Noise in Mixed-Signal Circuits

   Författare :Erik Backenius; Mark Vesterbacka; Kejll O. Jeppson; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mixed-signal; Substrate noise; Substrate modeling; Simultaneous switching noise; SSN; Digital; Analog; Clock; Electronics; Elektronik;

   Sammanfattning : In many consumer products, e.g., cellular phones and handheld computers, both digital and analog circuits are required. Nowadays, it is possible to implement a large subsystem or even a complete system, that earlier required several chips, on a single chip. LÄS MER

5. 4. On Reduction of Substrate Noise in Mixed-Signal Circuits

   Författare :Erik Backenius; Mark Vesterbacka; Jan-Erik Eklund; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; mixed-signal; substrate noise; substrate modeling; simultaneous switching noise; SSN; digital; analog; clock; Electronics; Elektronik;

   Sammanfattning : Microelectronics is heading towards larger and larger systems implemented on a single chip. In wireless communication equipment, e.g., cellular phones, handheld computers etc. LÄS MER

7. 5. Programmable and Tunable Circuits for Flexible RF Front Ends

   Författare :Naveed Ahsan; Aziz Ouacha; Sten Gunnarsson; Linköpings universitet; []
   Nyckelord :Microwave circuits; phase shifters; programmable circuits; active corporate feed network; four-port circuit; generic cells; phase shift capability; programmable microwave function array; tunable recursive filter; TECHNOLOGY; TEKNIKVETENSKAP;

   Sammanfattning : Most of today’s microwave circuits are designed for specific function and specialneed. There is a growing trend to have flexible and reconfigurable circuits. Circuitsthat can be digitally programmed to achieve various functions based on specific needs. LÄS MER