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45. [Use of direct current amplifier with radio-frequency output for measurement of stimulating current]. Tomaszewski R, Kadziela W. Acta Physiol Pol; 1968 Nov; 19(1):127-34. PubMed ID: 5659925 [No Abstract] [Full Text] [Related]
48. Up-converted 1/f PM and AM noise in linear HBT amplifiers. Ferre-Pikal ES, Savage FH. IEEE Trans Ultrason Ferroelectr Freq Control; 2008 Aug; 55(8):1698-704. PubMed ID: 18986914 [Abstract] [Full Text] [Related]
49. Study and development of television projector video amplifier techniques. AMRL-TR-67-61. Girod CV, Pourciau LL. AMRL TR; 1967 May; ():1-47. PubMed ID: 5317668 [No Abstract] [Full Text] [Related]
55. [Duplicate cathode with compensation of input capacity]. Tuganowski W. Acta Physiol Pol; 1968 Mar; 19(1):135-9. PubMed ID: 5659926 [No Abstract] [Full Text] [Related]
56. An improved buffer for bioelectric signals. Pallas-Areny R, Colominas J, Rosell J. IEEE Trans Biomed Eng; 1989 Apr; 36(4):490-3. PubMed ID: 2714830 [Abstract] [Full Text] [Related]
57. Alternating current bridge-amplifier for measurement of in-vivo high resistance. Tompkins WR, Intaglietta M. Med Biol Eng; 1970 Sep; 8(5):513-5. PubMed ID: 5515006 [No Abstract] [Full Text] [Related]