Electronic Design

Simple Quadrature VCO Covers Two Frequency Decades With Ultra-Low Distortion

Fig 1. Two analog multipliers form a VCO with quadrature outputs, while a third multiplier provides AGC to stabilize output voltages without adding distortion. Fig 2. The oscilloscope trace of the VCO ...
EDN

EDN Access–06.19.97 Inverting latches make simple VCO

The output frequency of the simple VCO in Figure 1, which is synthesized from inverting latch stages, is tunable to an integer multiple of the input frequency by selecting which output phases feed ...
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 ...
EDN

Enhanced, three-phase VCO features ground-referenced outputs

Three-phase VCOs (voltage-controlled oscillators) see service in many applications, including power inverters and in electronic-music synthesis as control and modulation sources. A previous Design ...
Electronic Design

Analog Devices debuts PLL/VCO for RF, microwave, and mmWave applications

Norwood, MA (BUSINESS WIRE). Analog Devices Inc. (ADI) announced today a synthesizer consisting of a phase-locked loop (PLL) with fully integrated voltage-controlled oscillator (VCO) as well as ...