Engineering & Materials Science
Power amplifiers
100%
Variable frequency oscillators
94%
Heterojunction bipolar transistors
59%
Electric potential
58%
Networks (circuits)
54%
Phase noise
45%
Monolithic microwave integrated circuits
44%
Varactors
34%
Field effect transistors
28%
BiCMOS technology
27%
Ultra-wideband (UWB)
24%
Transistors
23%
Tuning
21%
Insertion losses
18%
Electric power utilization
18%
Noise figure
16%
Frequency doublers
16%
Millimeter waves
16%
Defected ground structures
15%
Microstrip lines
14%
Silicon
14%
Feedback
13%
Low noise amplifiers
13%
Resonators
13%
Substrates
13%
Switches
13%
Modulation
12%
Doherty amplifiers
12%
Poles
12%
Diodes
11%
Intermediate frequency amplifiers
11%
Wireless local area networks (WLAN)
10%
Coplanar waveguides
10%
Communication
10%
Linearization
10%
Notch filters
10%
Broadband amplifiers
10%
Voltage control
9%
Frequency bands
9%
Acoustic impedance
9%
Resonant circuits
9%
Antennas
9%
Satellites
8%
Transceivers
7%
Variable gain amplifiers
7%
Automotive radar
7%
Bandwidth
7%
Metals
7%
Integrated circuit design
6%
Oxide semiconductors
6%
Physics & Astronomy
CMOS
36%
voltage controlled oscillators
32%
power amplifiers
26%
SOI (semiconductors)
21%
electric potential
11%
power efficiency
9%
field effect transistors
9%
low voltage
9%
linear amplifiers
9%
linearity
9%
bipolar transistors
9%
ultrahigh frequencies
8%
harmonics
7%
heterojunctions
7%
varactor diodes
7%
bandstop filters
7%
output
7%
amplifiers
6%
mobile communication systems
6%
slots
5%
insulators
5%