Accession Number:

AD0262438

Title:

A 10:1 FREQUENCY MULTIPLIER WITH A 10:1 INPUT FREQUENCY RANGE AND AUTOMATIC FINE TUNING

Descriptive Note:

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON D C

Personal Author(s):

Report Date:

1961-07-28

Pagination or Media Count:

9.0

Abstract:

A 101 frequency multiplier was constructed which will multiply any selected frequency within the 100 kc to 1 mc portion of the NRL portable precision frequency meter band 1 output to provide a second band of operation covering a 1 to 10 mc range. Multiplication by ten is provided by X5 and X2 stages which are tuned by mechanically ganging the tuned circuits to the first two of six decade frequency-generator controls and using automatic tuning to follow frequency adjustments made by the remaining four controls. Automatic tuning is accomplished by adjusting the dc current through the control winding of a current-controlled inductance that forms a part of the resonant circuit. Automatic control is obtained by first supplying a sawtooth sweep current to the current-controlled inductance which in the absence of an input signal will repeatedly tune the circuits through the entire automatic control range. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE