Design-Reuse2 年
Is there a "one-size fits all" SOC PLL?
the SNR of an ADC clocked by this PLL is limited to 8b at just over 100MHz and to 14b at just under 2MHz. So, high speed and high resolution ADCs require precise PLLs. Short Term Jitter, Long Term ...
Design-Reuse2 年
MMWave 80GHz PLL with VCO frequency range 19.00-20.25 GHz
MMWave 80GHz Analog FracN PLL with VCO frequency range 19.00-20.25 GHz, Including Integrated PFD, CP, LPF, VCO ...
Hackaday9 年
Logic Noise: 4046 Voltage-Controlled Oscillator, Part One
and the PLL outputs a square wave that’s synced to the input, but at a higher frequency. It works by having a voltage-controlled oscillator (VCO) inside, and driving the VCO with a voltage ...
University of Sheffield3 年
28GHz Analog Front End for SDR – open access PCB design files & control software
The TX and RX IF ports are separate, to suit SDRS with separate TX and RX inputs. The front-end operates in half duplex mode. The carrier frequency is generated by an Analog Devices PLL with ...