EDN

Simulating mixed-mode designs with Verilog-only models

As the capacities of today's chips grow and their geometries shrink, specialized clock-generation circuits are necessary to reduce electrical-magnetic emissions. One scheme that is gaining industry ...
Electronic Design

What Do Clocks, Carriers, Local Oscillators, and FM Have in Common?

The master timing control circuit for most electronic applications is a precision signal source. For digital applications, it’s an accurate clock. In RF applications, it’s a carrier source for a ...
EDN

Fractional N PLL with Ramp/Chirp Generation

The LMX2492/92-Q1 is a 500 MHz to 14 GHz wideband, low noise delta-sigma fractional N PLL with ramp/chirp generation. This device is composed of a phase frequency detector, programmable charge pump, ...
Hackaday

Phase Modulation With An FPGA

There are two radio modulation schemes everyone should know. Amplitude modulation changes the amplitude — or ‘volume’, if you will — of a carrier frequency and turns all radio into channels owned and ...
Electronic Design

Low-Power PLL Targets Short-Range Automotive/Industrial Radar Apps

This article is part of the TechXchange: Automotive Radar. The primary goal of using radar in the automotive industry is to facilitate object detection for cars. Simple continuous-wave radar devices ...