The performance of a clock function, which includes the crystal and associated circuitry, is defined by parameters which are measured over both the short term and long term. It is also characterized by change in specifications due to temperature variations, aging, and mechanical considerations such as vibration and shock. How is clock performance defined? Both […]
What is a clock and what are its critical parameters (Part 1)?
The “clock” function is a standard part of nearly every electronic system, with very few exceptions. Behind this simple-sounding, commonplace word, there is an array of complexity and subtlety in definition, performance, and design. Clocks are both vital and ubiquitous, so it is worth understanding the different functions they fulfill, they ways they can be […]
Top analog threads on EDAboard.com – February
(editor’s note: Intrigued by the problem? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog IC forum threads.) Making gain positive and NF less than 7.0 dB – I have designed a mm-wave amplifier, as I intend to […]
Gunn Diode oscillator operates at 24.125 GHz
Fairview Microwave Inc. has released a waveguide Gunn oscillator that provides a cost-effective source for microwave power with excellent frequency and power stability while generating low-phase-noise. Typical applications include transmit and receive oscillators for radio communications, local oscillator source that can be multiplied for higher mm-wave frequency test and measurement, military and commercial radar sources, police radar, Doppler […]
Crystal units allow for higher-density mounting and use in low profile, IoT devices
Murata Americas today introduced several miniaturized, highly advanced crystal units developed specifically for the IoT market. The company used its proprietary technology and volume production capability to design a product line that excels in quality and reliability, while also providing a cost effective solution. The series features a compact package that allows for higher-density mounting and use in lower profile devices. Target applications include IoT, mobile […]
High-Precision OCXO oscillators enhance performance of 10MHz-timebase applications
NDK’s NH20M20LB and NH37M28LK High-Precision Oscillators are designed to raise the bar for frequency accuracy in base stations for mobile communications systems, high-end routers, test and measurement equipment and other synthesizer applications. The NH25M22TA is available for SMT applications. The NH37M28LK and NH20M20LB each have through-hole PC mounting pins. The use of proprietary DSP technology […]
Top analog threads on EDAboard.com – December
(editor’s note: Intrigued by the problem? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog IC forum threads.) LM386 low noise (hiss) alternative? – I am building a direct conversion (regenerative) receiver that is followed by this […]
Multi-mode oscillators combine wide frequency range with low jitter
NDK’s NP5032S and NP7050S oscillators combine small size with low jitter performance. The two oscillators have similar performance and capabilities, but offer different package size options for more flexibility. The wide frequency range of 15 MHz to 2.1 GHz and low jitter makes them suitable for high-speed serial communications applications such as SONET, SDH, Synchronous […]
Miniature future for
passive electronic components
Jürgen Geier, Christian Kasper, Jochen Neller, Bert Weiss Rutronik Passive electronic components are getting smaller, but the are also providing better performance within the same form factor. Twenty years ago form factors such as 1812 and 1206 were widely used. Today’s most commonly specified sizes are 0603 and 0402. The range extends down to 01005 […]
Active frequency multipliers double 4 to 23-GHz inputs for radar, comm apps
Pasternack, a leading provider of RF, microwave, and millimeter wave products, has released a new series of active frequency multipliers that simplify system designs by offering high output power levels. Pasternack’s active frequency multipliers are important building block components used in local oscillator (LO) chains for radar, communication receivers and frequency sources to extend frequencies and achieve […]
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