DESIGN CRITERIA FOR LOW-LEVEL SECOND-HARMONIC MAGNETIC MODULATORS

Abstract

Magnetic modulators were studied as devices to circumvent the drift and noise problems in dc amplification by converting low-level, LF signals to AM, suppressed-carrier outputs which permit conventional ac amplification. Mathematical analyses of a modulator with a high-impedance source and signal and a voltage output are presented for: (1) no-signal operation, (2) signal operation, (3) variation of output with excitation amplitude, (4) time-constant, (5) power gain, and (6) figure of merit. Experiments to determine configuration, excitation, output, core design, and circuitry for a 2-core, current-excited modulator indicated that the correlation between analytical and experimental work was sufficient to permit the use of the analysis as a design basis for second-harmonic magnetic modulators.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1953
Accession Number
AD0016790

Entities

People

  • Earl J. Kletsky

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Amplifiers
  • Control Systems
  • Design Criteria
  • Electrical Engineering
  • Electron Tubes
  • Engineering
  • Figure Of Merit
  • Flux Density
  • Frequency
  • Impedance
  • Magnetic Materials
  • Magnetic Modulators
  • Magnetic Properties
  • Materials
  • Mathematical Analysis
  • Measurement
  • Power Gain

Fields of Study

  • Physics

Readers

  • Electrical Engineering
  • Electronics Engineering