Engineering & Materials Science
Amplification
31%
Amplitude shift keying
60%
Bandwidth
23%
Binary phase shift keying
29%
Biomedical equipment
21%
Bit error rate
15%
Block codes
15%
Broadband amplifiers
23%
Calibration
20%
Clocks
27%
Conversion efficiency
17%
Cutoff frequency
15%
Demodulation
43%
Detectors
42%
Digital to analog conversion
22%
Electric potential
41%
Electric power utilization
86%
Energy dissipation
14%
Energy efficiency
65%
Feedback
27%
Frequency shift keying
100%
Frequency stability
22%
Frequency synthesizers
33%
Harvesters
30%
Internet of things
17%
Loop antennas
14%
Low noise amplifiers
50%
Microsystems
19%
Modulation
20%
Modulators
35%
Networks (circuits)
19%
Noise figure
24%
Operational amplifiers
23%
Phase noise
76%
Phase shift keying
15%
Power amplifiers
49%
Power integrated circuits
19%
Quadrature phase shift keying
15%
Recovery
15%
Resistors
18%
Sampling
19%
Stabilization
15%
Switched filters
21%
Temperature
13%
Transceivers
15%
Transmitters
83%
Variable frequency oscillators
77%
Wearable technology
14%
Wireless power transfer
45%
Physics & Astronomy
accelerometers
15%
amplifiers
25%
binary phase shift keying
12%
broadband
9%
charging
8%
chips
22%
clocks
13%
CMOS
44%
current amplifiers
20%
degeneration
5%
demodulation
14%
detectors
6%
electric potential
7%
energy
5%
envelopes
9%
false alarms
5%
frequency shift keying
12%
injection
9%
keying
11%
low noise
29%
microelectromechanical systems
12%
oscillators
15%
output
5%
phase error
5%
positive feedback
5%
power gain
5%
prototypes
18%
quadratures
27%
receivers
21%
recovery
5%
rectifiers
16%
retarding
11%
reuse
37%
sampling
5%
sensitivity
22%
shunts
15%
spindles
6%
transformers
27%
transmitters
5%
tuning
5%
voltage controlled oscillators
41%
wakes
25%
