Low noise, high thermal stability attenuator of the integratable

Details Low noise, high thermal stability attenuator of the integratable Low noise, high thermal stability attenuator of the integratable

1986-02-10

1987-12-29

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307555, 307264, 307243, 333 81R, H03K 508, H03K 1762, H03H 724

Patent

active

047163216

ABSTRACT:
A low noise, high thermal stability attenuator of the integratable type is disclosed. The attenuator comprises a fixed network of resistive elements, having a plurality of outputs each at a different attenuation level, and a switched amplifier receiving at its input such different attenuation outputs, as well as a control signal which specifies which of the amplifier inputs is to be output. Advantageously, this attenuator may be implemented in several stages, each having different attenuation ranges or steps.

REFERENCES:
patent: 3562659 (1971-02-01), Kulas

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