Adaptive linear FM sweep corrective system

Adaptive oscillator apparatus for use in a phase-lock loop

Apparatus and method for achieving acquisition and maintaining l

Apparatus and method for inhibiting false locking of a phase-loc

Apparatus and method for locking a PLL onto a selected offset fr

Apparatus and method for sweep oscillator calibration

Arrangement and a method relating to phase locking

Automatic sweep acquisition circuit for a phase-locked-loop

Automatic sweep and acquisition circuit for a phase locked loop

Automatic sweep-to-lock circuit for a phase-locked loop

Automatic tuning system for ultrasonic generators

Automatically ranging phase locked loop circuit for microprocess

BPSK Costas-type PLL circuit having false lock prevention

Channel selection system for a displaced spectrum frequency synt

Circuit for driving ultrasonic transducer

Clock recovery circuit for serial digital video

Closed loop linearizer for ramp modulated VCO

Digitally-synchronized sweep signal source

Dual bandwidth loop filter with sweep generator

Dual loop phase locked circuit with sweep generator and compensa