Title :
A monolithic silicon wide-band amplifier from DC to 1 GHz
Author :
Coughlin, J. Bernard ; Gelsing, Rik J H ; Jochems, Pieter J W ; Van Der Laak, Henk J M
Abstract :
Monolithic integration of a wide-band amplifier with uniform gain from dc to 1 GHz is described. By choosing an essentially simple circuit both for construction and evaluation it is shown that the collective application of microwave transistor diffusions, double layer interconnections, beam leads, air isolation, and microstriplines on ceramic substrates extends the range of operation to beyond 1 GHZ. Gain values of 12 dB flat within 0.5 dB for a two- stage amplifier and nearly 50 dB flat within 1 dB for cascaded amplifiers from low frequencies to 1 GHz are achieved. The direction for further technological improvements is indicated.
Keywords :
Linear integrated circuits; Microwave amplifiers; Monolithic integrated circuits; Solid-state microwave devices; Wideband amplifiers; linear integrated circuits; microwave amplifiers; monolithic integrated circuits; solid-state microwave devices; wideband amplifiers; Broadband amplifiers; Ceramics; Frequency; Integrated circuit interconnections; Microstrip; Microwave circuits; Microwave transistors; Monolithic integrated circuits; Silicon; Structural beams;
Journal_Title :
Solid-State Circuits, IEEE Journal of
DOI :
10.1109/JSSC.1973.1050431
