Engineering & Materials Science
Modulators
100%
Phase noise
98%
Networks (circuits)
83%
Power amplifiers
79%
Transceivers
71%
Transmitters
68%
DC-DC converters
65%
Frequency synthesizers
56%
Electric potential
56%
Variable frequency oscillators
50%
Noise figure
44%
Bandwidth
42%
Switches
40%
Electric power utilization
39%
Code division multiple access
35%
Modulation
35%
Capacitors
31%
Discriminators
31%
Low noise amplifiers
29%
MEMS
27%
Sensors
27%
Digital to analog conversion
26%
Clocks
26%
Hearing aids
25%
Systolic arrays
24%
Orthogonal frequency division multiplexing
23%
Detectors
22%
Antennas
22%
Mixed signal integrated circuits
21%
IIR filters
20%
Global system for mobile communications
20%
Phase locked loops
20%
Integrated circuits
20%
Feedback
20%
Topology
20%
Tuning
19%
Controllers
19%
Energy harvesting
18%
Transistors
18%
Multipath fading
18%
Ultra-wideband (UWB)
17%
Aging of materials
16%
Variable gain amplifiers
16%
Signal to noise ratio
16%
Coupled circuits
16%
Impulse response
16%
Switching frequency
16%
Resistors
15%
Electric delay lines
15%
Frequency shift keying
15%
Physics & Astronomy
CMOS
30%
power amplifiers
27%
transmitter receivers
22%
very large scale integration
21%
systolic arrays
13%
low noise
12%
switches
12%
voltage controlled oscillators
12%
frequency synthesizers
11%
output
11%
converters
10%
amplifiers
10%
direct current
10%
transmitters
10%
self tests
10%
chips
9%
power converters
9%
code division multiple access
8%
integrated circuits
7%
accelerometers
7%
sensors
7%
central processing units
6%
envelopes
6%
fading
6%
delay lines
6%
superhigh frequencies
6%
cancellation
6%
power supplies
6%
sensitivity
5%
frequency shift keying
5%
antennas
5%
clocks
5%
logic
5%
microelectromechanical systems
5%
mesh
5%
stimuli
5%
injection
5%
analogs
5%
