X-BAND SOLID-STATE DETECTOR/AMPLIFIER.
Abstract
Components and techniques for application in small lightweight X-Band detector-amplifier circuits were reviewed and evaluated. Specific areas of investigation included: backward diode mixers; 'starved mixer operation'; low noise transistorized I.F. preamplifiers; an I.F. parametric amplifier; tunnel-diode local oscillators; a tunnel-diode self-oscillating mixer; and low noise R.F. pre-amplifiers. High power diode limiters which require no control voltages were developed in waveguide and strip transmission line. Integrated mixer/I.F. preamplifier assemblies with an overall noise figure of 8.0 db were realized. A compact solid-state local oscillator using a 'snap-off' diode as a high order multiplier and providing an output power of 10 mwatts was developed. Also, a tunnel-diode self-oscillating mixer with integral I.F. pre-amplifier assembly was designed. Engineering test models of three solid-state detector-amplifier circuits were fabricated and tested. Overall noise figures ranging from 11.0 db to 8.0 db were obtained. The physical and performance characteristics of several detector-amplifier circuits were evaluated and compared; and relationships between noise figure and weight and noise figure and cost were derived. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 15, 1965
- Accession Number
- AD0617003
Entities
People
- J. J. Brule
Organizations
- M/A-COM Technology Solutions