Matrix selection amplifier circuit for low impedance heads in a

Details Matrix selection amplifier circuit for low impedance heads in a Matrix selection amplifier circuit for low impedance heads in a

1976-10-07

1978-04-18

Dahl, Lawrence J.

Amplifiers

With semiconductor amplifying device

Including plural amplifier channels

330 51, 330252, H03F 345

Patent

active

040853837

ABSTRACT:
A transistor amplifier circuit operating in matrix interconnection for selectively amplifying signals received on a magnetic recording media by a low impedance head is disclosed which uses a common base preamplifier circuit for signal selection with a common collector amplifier and a common emitter feed-back network.

REFERENCES:
patent: 3316495 (1967-04-01), Sherer
patent: 3327236 (1967-06-01), Krossa et al.
patent: 3387224 (1968-06-01), Fleischer et al.

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