Class information for:
Level 1: CLASS D AMPLIFIER//AUDIO AMPLIFIER//AUDIO AMPLIFIERS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
19323 446 14.4 33%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
717 12149 ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING//CURRENT CONVEYORS//IEEE JOURNAL OF SOLID-STATE CIRCUITS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CLASS D AMPLIFIER Author keyword 38 57% 10% 45
2 AUDIO AMPLIFIER Author keyword 14 55% 4% 18
3 AUDIO AMPLIFIERS Author keyword 11 60% 3% 12
4 SWITCHING AMPLIFIERS Author keyword 6 32% 3% 15
5 CLASS D AMPLIFIER CDA Author keyword 6 100% 1% 4
6 POWER SUPPLY REJECTION RATIO PSRR Author keyword 5 40% 2% 10
7 DIGITAL AUDIO AMPLIFIER Author keyword 4 75% 1% 3
8 SPEAKER DRIVER Author keyword 3 100% 1% 3
9 CLASS D AMPLIFIERS Author keyword 3 38% 1% 6
10 DIGITAL AMPLIFIER Author keyword 3 60% 1% 3

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 CLASS D AMPLIFIER 38 57% 10% 45 Search CLASS+D+AMPLIFIER Search CLASS+D+AMPLIFIER
2 AUDIO AMPLIFIER 14 55% 4% 18 Search AUDIO+AMPLIFIER Search AUDIO+AMPLIFIER
3 AUDIO AMPLIFIERS 11 60% 3% 12 Search AUDIO+AMPLIFIERS Search AUDIO+AMPLIFIERS
4 SWITCHING AMPLIFIERS 6 32% 3% 15 Search SWITCHING+AMPLIFIERS Search SWITCHING+AMPLIFIERS
5 CLASS D AMPLIFIER CDA 6 100% 1% 4 Search CLASS+D+AMPLIFIER+CDA Search CLASS+D+AMPLIFIER+CDA
6 POWER SUPPLY REJECTION RATIO PSRR 5 40% 2% 10 Search POWER+SUPPLY+REJECTION+RATIO+PSRR Search POWER+SUPPLY+REJECTION+RATIO+PSRR
7 DIGITAL AUDIO AMPLIFIER 4 75% 1% 3 Search DIGITAL+AUDIO+AMPLIFIER Search DIGITAL+AUDIO+AMPLIFIER
8 SPEAKER DRIVER 3 100% 1% 3 Search SPEAKER+DRIVER Search SPEAKER+DRIVER
9 CLASS D AMPLIFIERS 3 38% 1% 6 Search CLASS+D+AMPLIFIERS Search CLASS+D+AMPLIFIERS
10 DIGITAL AMPLIFIER 3 60% 1% 3 Search DIGITAL+AMPLIFIER Search DIGITAL+AMPLIFIER

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 D AUDIO AMPLIFIER 21 75% 3% 15
2 AUDIO AMPLIFIER 5 55% 1% 6
3 D AUDIO AMPLIFIERS 3 100% 1% 3
4 TO ANALOG CONVERSION 3 38% 1% 6
5 PULSEWIDTH MODULATOR 3 60% 1% 3
6 TUBE AMPLIFIERS 2 67% 0% 2
7 CLASS D AMPLIFIER 2 43% 1% 3
8 SLOW SCALE INSTABILITIES 2 33% 1% 4
9 PSRR 1 38% 1% 3
10 AUDIO POWER AMPLIFIERS 1 50% 0% 2

Journals


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ELECTRONICS WORLD 3 13% 4% 18
2 ELECTRONICS WORLD & WIRELESS WORLD 2 15% 2% 10

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Electronic technology 1998 1 72 82%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 DTO ING ELECT COMP 1 40% 0.4% 2
2 ING ELECT COMPUTADORAS 1 50% 0.2% 1
3 INVEST INGN ELECT ALFREDO DESAGES IIIE 1 50% 0.2% 1
4 ADV TECHNOL INTEGRATED SYST 0 33% 0.2% 1
5 AUDIO TECHNOL GRP 0 33% 0.2% 1
6 DPTO TECNOL IND 0 33% 0.2% 1
7 MIXED SIGNAL MICROELECT GRP MSM 0 33% 0.2% 1
8 CIRCUIT DESIGN SYST PLICAT 0 25% 0.2% 1
9 POWER ELECT MOT CONTROL 0 12% 0.4% 2
10 DTO ING ELECT COMPUTADORAS 0 20% 0.2% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000127797 BLACKMANS FORMULA//RETURN RATIO//MILLERS THEOREM
2 0.0000122824 JOURNAL OF THE AUDIO ENGINEERING SOCIETY//MICROSPEAKER//ELECTRODYNAMIC LOUDSPEAKER
3 0.0000119754 SIGMA DELTA MODULATION//DELTA SIGMA MODULATOR//DELTA SIGMA MODULATION
4 0.0000096934 FREQUENCY COMPENSATION//LOW DROPOUT REGULATOR//NESTED MILLER COMPENSATION
5 0.0000068352 ADAPTIVE FEEDBACK CANCELLATION//ACOUSTIC FEEDBACK CANCELLATION//FEEDBACK CANCELLATION
6 0.0000062936 POWER AMPLIFIER PA//CLASS E//ENVELOPE TRACKING ET
7 0.0000062608 COUPLED METHOD CM//MICROPARTICLE MANIPULATION//LEVELIZED
8 0.0000059302 BUCK CONVERTER//CURRENT MODE CONTROL//DC DC CONVERTERS
9 0.0000056327 LEVEL CROSSING SAMPLING//CHANNEL IDENTIFICATION MACHINES//TIME ENCODING MACHINES
10 0.0000052056 ELECTROMAGNETIC INTERFERENCE EMI FILTER//COMMON MODE CM//DIFFERENTIAL MODE DM