Frequency spectrum analyzer with phase-lock

Patent · Wed Jul 29 00:00:00 EDT 1981

OSTI ID:5222214

Boland, T. J.

A frequency-spectrum analyzer with phase-lock for analyzing the frequency and amplitude of an input signal is comprised of a voltage controlled oscillator (VCO) which is driven by a ramp generator, and a phase error detector circuit. The phase error detector circuit measures the difference in phase between the VCO and the input signal, and drives the VCO locking it in phase momentarily with the input signal. The input signal and the output of the VCO are fed into a correlator which transfers the input signal to a frequency domain, while providing an accurate absolute amplitude measurement of each frequency component of the input signal.

• DOE Contract Number: AC07-76ID01570
• Assignee: Dept. of Energy
• Application Number: ON: DE82013596
• OSTI ID: 5222214
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
FREQUENCY ANALYSIS
EQUIPMENT
DESIGN
ELECTRONIC CIRCUITS
OSCILLATORS
ELECTRONIC EQUIPMENT
420800* - Engineering- Electronic Circuits & Devices- (-1989)