Who invented the differential amplifier?

IEEE Engineering in Medicine and Biology Magazine

Volumn 15, Issue 3, 1996, Pages 116-117

  Geddes, L A ^a,b  

^a PURDUE UNIVERSITY   (United States)

^b PURDUE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CATHODES; ELECTRIC RESISTANCE; ELECTROPHYSIOLOGY; FUNCTIONAL ELECTRIC STIMULATION; HISTORY; RESISTORS; SCHEMATIC DIAGRAMS;

COMMON MODE REJECTION RATIO; CROSS CHANNEL COUPLING; GROUND REFERRED INTERFERENCE; PUSH PULL AMPLIFIER; SCHMITTS CIRCUIT; TOENNIES CIRCUIT; VACUUM TUBE AMPLIFIER;

DIFFERENTIAL AMPLIFIERS;

AMPLIFIER; BIOENGINEERING; ELECTROCARDIOGRAPHY; ELECTRODIAGNOSIS; ELECTROENCEPHALOGRAPHY; ELECTROMYOGRAPHY; SHORT SURVEY; SYSTEM ANALYSIS;

EID: 0030148495     PISSN: 07395175     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (9)

1. Aughtie, F: Push-pull amplification: the use of resistance-capacity coupling. Wireless Eng., 1929, 6:307-309.
2. Goldberg, H: Bioelectric-research apparatus. Proc. IRE 1944, 32:330-336.
3. Johnston, DL: Elcctro-encephalograph amplifier. Wireless Eng. 1947, 24:237-242.
4. Matthews, BHC: A simple universal amplifier. Journ. Phvsiol. 1938. 93:25P-27P.
5. Matthews, BHC: A special purpose amplifier. Journ. Physiol. 1934, 81:28P-29P.
6. Offner, FF: Push-pull resistance coupled amplifiers. Rev. Sci. Instr. 1937, 8:20-21.
7. Schmitt, OH: A simple differential amplifier. Rev. Sci. Instr., 1937, 8:126-127
8. Toennies, JF: Differential amplifier. Rev. Sci. Instr., 1938, 9:95-97
9. Trevino, SN and Offner, FF: An AC operated DC amplifier with large current output Rev. Sci. Instr., 1940, 11:412-415.