Engineering & Materials Science
Heterojunction bipolar transistors
100%
Germanium
53%
BiCMOS technology
49%
Silicon
45%
Noise figure
34%
Networks (circuits)
30%
Millimeter waves
27%
Low noise amplifiers
26%
Transceivers
21%
Photons
17%
Phase noise
17%
Radar
15%
Degradation
15%
Imaging techniques
14%
Photonics
14%
Radiation
14%
Variable frequency oscillators
14%
Bandwidth
14%
Phase locked loops
13%
Transmitters
13%
Electric power utilization
13%
Hot carriers
12%
Physics
10%
Cascode amplifiers
9%
Submillimeter waves
9%
Frequency doublers
9%
Gates (transistor)
9%
Twinning
8%
Pulse generators
8%
Antennas
8%
FinFET
8%
Pulsed lasers
8%
Photodiodes
8%
Built-in self test
8%
Varactors
7%
Switches
7%
Tuning
7%
Static random access storage
7%
Cryogenics
6%
Insertion losses
6%
Transient analysis
6%
Power amplifiers
6%
Capacitance
6%
Laser pulses
6%
Radio frequency identification (RFID)
6%
Inductance
6%
Polarization
5%
Temperature
5%
Clocks
5%
Electronic equipment
5%
Physics & Astronomy
low noise
22%
millimeter waves
20%
amplifiers
19%
receivers
17%
germanium
16%
bandwidth
14%
platforms
14%
silicon
14%
output
13%
circuit reliability
12%
simulation
9%
linear amplifiers
9%
radiation
9%
superhigh frequencies
9%
photonics
8%
dosage
8%
pulse generators
7%
performance
7%
radar
6%
submillimeter waves
6%
twinning
6%
insertion loss
6%
photons
6%
digital data
6%
transient response
6%
broadband
6%
photodiodes
5%
radar receivers
5%
synchronism
5%
communication
5%
modules
5%
switches
5%
analogs
5%
physics
5%