Engineering & Materials Science
Power amplifiers
100%
Variable frequency oscillators
91%
Electric potential
57%
Heterojunction bipolar transistors
57%
Networks (circuits)
54%
Phase noise
43%
Monolithic microwave integrated circuits
43%
Varactors
33%
Field effect transistors
30%
BiCMOS technology
26%
Ultra-wideband (UWB)
23%
Transistors
22%
Tuning
20%
Insertion losses
18%
Electric power utilization
17%
Noise figure
16%
Silicon
16%
Frequency doublers
16%
Millimeter waves
16%
Defected ground structures
14%
Microstrip lines
14%
Feedback
13%
Low noise amplifiers
12%
Resonators
12%
Substrates
12%
Switches
12%
Modulation
12%
Doherty amplifiers
11%
Poles
11%
Diodes
10%
Intermediate frequency amplifiers
10%
Wireless local area networks (WLAN)
10%
Coplanar waveguides
10%
Communication
10%
Linearization
10%
Notch filters
10%
Broadband amplifiers
9%
Voltage control
9%
Frequency bands
9%
Acoustic impedance
9%
Resonant circuits
9%
Antennas
8%
Satellites
8%
Transceivers
7%
Variable gain amplifiers
7%
Automotive radar
7%
Bandwidth
7%
Capacitors
7%
Metals
6%
Electric breakdown
6%
Physics & Astronomy
CMOS
35%
voltage controlled oscillators
31%
power amplifiers
25%
SOI (semiconductors)
21%
electric potential
11%
power efficiency
9%
field effect transistors
9%
low voltage
9%
linear amplifiers
9%
linearity
9%
bipolar transistors
8%
ultrahigh frequencies
7%
harmonics
7%
heterojunctions
7%
varactor diodes
7%
bandstop filters
7%
output
6%
amplifiers
6%
mobile communication systems
6%
slots
5%
insulators
5%