EDN

Frequency and phase locked loops

The purpose of a phase locked loop (PLL) is to generate a frequency and phase-locked output oscillation signal. To achieve this goal, prior art essentially functioned ...
Electronic Design

Low-Noise Signal Generation And Fast Frequency Settling Time Can Coexist – Overcoming The Conflict

Figure 1: The S-Series SGA analog signal generator offers frequency switching speeds of less than 100 µs and typical phase noise at 1 GHz of -135 dBc/Hz at a 20-kHz offset. Figure 2: Shown is a graph ...
EDN

Demystifying the PLL

The phase locked loop (PLL) is an indispensible component in modern electronic systems. Its function is to generate an accurate output signal of frequency equal to, or a multiple of, the input signal ...
The Engineer

Revolution and Evolution in Frequency Synthesis: How PLL/VCO Technology Has Increased Performance, Decreased Size, and Simplified Design Cycle

Microwave frequency generation has posed significant challenges to engineers over the years, requiring in-depth knowledge of analog, digital, and radio frequency (RF) and microwave ...
Electronic Design

VCO Transforms Sound Card Into Precision DC-Coupled ADC

Personal-computer sound cards are sometimes used for analog audio signal acquisition. Also, the Web features many free programs that implement virtual two-channel oscilloscopes by acquiring signals ...