Ronald L BakkenSaint Paul, MN
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Meter And Amplifier Circuit For Measuring Ac And Dc Signals
US Patent:
4024471, May 17, 1977
Filed:
Sep 8, 1975
Appl. No.:
5/611061
Inventors:
Ronald J. Bakken - Minneapolis MN
International Classification:
G01R 130
G01R 1922
G01R 1922
US Classification:
324123R
Abstract:
The bases of a first pair of opposite conductivity transistors are connected to one input terminal of the amplifier circuit. A conventional meter is connected in the collector-emitter path of a second pair of transistors. Four arrangements are disclosed for coupling the first pair of transistors to the second pair; two of the embodiments enable DC signals to be measured and the other two AC signals.
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